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Prev Professional Automotive Repair Technical Discussions for April 5, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1991 Audi 90 Quattro 20v 2.3L inop compressor VIN: WAUHE58A9M
Hi and thanks for checking this one out! This audi came in late last year with a bad compressor clutch. We could lightly tap on clutch and it would engage. Our customer declined repair at that time. He now came in and requested a new compressor. We installed n...
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1994 Audi 100 S 2.8L Ignition Switch VIN: WAUBK84AXR
I am replacing the ignition switch and by looking at the new one, with the two tabs on either side, it looks like it snaps in place. Is this true? I dont see any screws that secure the old one and it doesn't seem to want to pull out of the lock assembly. Or I ...
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1997 Audi A6 2.8L Crank No Start VIN: WAUGC84AVN
We have found that there is no ground through the computer drivers for the injectors, there is a crank sensor signal but we cannot find acceptable values so don't know if the crank sensor is in fact OK. Cam sensor tests OK, there is no current input to the har...
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2001 Audi A4 1.8L MIL Lamp on VIN: WAUDC68D81
timing belt broke bending valves, replaced all valves & belt. hard start (took several crank cycles) set code 341 on second start. replaced cam sensor wheel from four slot to one slot wheel, vehicle starts great but on every second start code 340 sets if cam t... Trouble codes: 340 (cam shaft position sensor malfuntion), 341 (cam shaft position sensor unplausible)
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1999 BMW 528i 2.8L ABS module VIN: WBADM6336X
Hello BMW Gurus, This BMW came into my shop with the ABS lamp illuminated.I scanned with my Modis and came up with the following codes: #33 WSS Lft F # 30 WSS Rear Lft. # 112 Open Circuit to Instrument panel Also has an inop. Speedometer. I replaced the ...
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2001 BMW X5 4.4i 4.4L Poor Fuel Economy VIN: WBAFB33531
I have a litle problem. I dont remenber where is the barometric pressure sensor at the BMW x5 2001 4.4. How can I fix it? Trouble codes: P0107 (barometric pressure circuit low input)
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1989 Buick Century Custom 3.3L No Start, Misfire VIN: 1G4AH51NK4
vehicle was driven in running very poor it backfires though the air filter and cranks like the timing is off, if the crank sensor is disconnected then it cranks fine.we took off the timing cover expecting to find a broken chain.all was fine and in good working...
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1989 Cadillac DeVille 4.5L Poor Idle Quality VIN: 1G6CD5156K
Car Idles a little on the high side 950-1050 rpms but when put in gear it will idle around 750-850 rpm, no vacumm leaks, fuel trim 127, the problem is when you drive down the road at say 50 mph and let off the gas it will stay at 50 and very slowly drop. The T...
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1994 Cadillac DeVille Concours 4.6L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1G6KF52Y3R
Desperated cadilac help needed, I got this car in with multiple problems, most of which are fixed, down to the one that is kicking my tail. I got a miss around 1500 rpm under load in gear, if egr is unhooked the miss goes away, it gets better , I have searche... Trouble codes: 56 (Input speed sensor problem found sensor bad rebuilt trans code gone), 39 (torque converter malfunction speed sensor prob. took care of this prob.), 36 (egr pintle pos. prob. cleared codes and this code wont return.), 94 (shift ratio A problem cleared codes and this code wont return), 110 (internal ecm problem L-terminal pcm fixed this.)
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1998 Cadillac Catera 3.0L hvac blower VIN: W06VR52R7W
This vehicle came in with the customer complaint of battery going dead overnight. Found intermittant parasitic draw of aprox. 2 amps. Traced this draw to the hvac blower staying on,blower controller hot, blower barely running. There is voltage on the blower ou...
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1983 Chevrolet K10 Suburban Silverado 6.2L No Start VIN: 1G8EK16CXD
the truck was involved in a wreck, the truck was burnt inside, and the complete harness is basically melted to the floor, owner found a 1985 chevy c10 to put driveline into, the 85 is gas, and no wiring harness diagrmas are readily available, for the conversio...
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1992 Chevrolet K1500 Cheyenne 5.0L Poor Idle Quality, Surge, Stall VIN: 1GCEK14H5N
HELP!! CUSTOMER BROUGHT VEHICLE IN TO HAVE TIMING CHECKED. SAID IDLE WAS SURGING AND VEHILE WOULD STALL. WHOM EVER PUT THE ENGINE IN DID NOT KNOW HOW TO SET THE TIMING. CHECKED AND FOUND DISTRIBUTOR ONE TOOTH OFF, PULLED DISTRIBUTOR AND INSTALLED CORRECTLY AND...
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1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G1JC5242V
As soon as engine starts to warm up a little the idle surges up and down.Scanner shows injector pulse turning on and off.You can hear the injectors stop and start again with a stethoscope.Problem only occurs in park or neutral.Idle speed in drive is around 110... Trouble codes: P0507
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1997 Chevrolet C1500 4.3L master cyl VIN: 1GCEC14W5V
truck came in with pulsation in front rotors and weak pedal, the pedal would go to the floor before stopping truck. we put new pads and rotors, new bleeder valves in calipers [stopped up], new rear wheel cyls cleaned and adjusted rear shoes [75% pad left] blee...
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1997 Chevrolet Blazer 4.3L Stall, Misfire, MIL Lamp on VIN: 1GNDT13W6V
this blazer come to me with mil on with complaint of misfire @ bogging on accel another shop had replace fuel pump,egr valve @plugs cheked codes had ap0300 missfire.under accel engine would start bogging @ missing until it died .checked fp 50psi @idle held fp ... Trouble codes: P0300
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1998 Chevrolet Astro 4.3L engine VIN: 1GNDM19W2W
Hi Group, Van has intermittent cranks and won't start, or starts and dies. Set code P1626 when it finally acted up for me. After three starts and dies, it started and ran and has not acted up again or reset the code. Also found cam sensor to crank sensor relat...
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2001 Chevrolet Express 2500 6.5L Stall VIN: 1GCGG29F41
The van gets used by multiple drivers and not many of them speak english. it has stalled numerous times but re-starts right away every time.When it gets to the shop everything seems normal.Any help or areas to check would be much appreciated.
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1996 Chrysler Sebring JXi 2.5L pedal VIN: 3C3EL55H7T
please take it easy on me,this is my first time we have a 1996 chrysler sebring convertable with many problems. we replaced the rear brake shoes and front pads (bleeders opened during caliper collapse [i hope])now the pedal is low and the car will stop but wil...
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2001 Chrysler Sebring LX 2.4L No Start, VIN: 1B3A546F21
hello this car is a no crank no start it is a reposessed unit that has been to numerous shops now in ours.The pcm communicates with scan tool and all other modules.The pcm is not grounding the starter relay or operating injectors or spark.I can manually crank ...
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2003 Chrysler Town & Country LX 3.3L steering VIN: 2C4GP44343
hello and thanks for your time. i read some post for this concern but none were for a 03. there were some tsb but my mod doesen't show them. one was a 19-004-03. this is an intermittant problem. but most of the time the power steering is noisy. (moan) i can se...
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1985 Ford F F700 8.2L brakes VIN: 1FDNK74N4F
this is an f-700 ford med/hvy truck that has a tymco sweeper built on it. it sits in the yard most of the time so its not used much, the problem is the brake pedal went to the floor and will not return to its normal position, the parking brake buzzer stays on ...
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1993 Ford F-150 XL 4.9L ping sound VIN: 1FTEX15Y6P
Ford techs, I could use your insight. This 4.9lL has what seems to be a pingging sound during fairly hard accelleration. Never at light or full throttle. I have double checked timing (even reset timing to 4 degrees), vacuum to egr while driving, O2 sensor oper...
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1995 Ford F-350 XL 7.3L rear differential VIN: 1FTJW35F4S
i replaced original rear differential oil, replaced with mobil 1 75w-90 synthetic gear lubricant. while backing up, seems worse after vehicle has been run a few miles, i get a "ratchet noise-feel from rear differential. i know i have a factory limited slip uni...
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1996 Ford Thunderbird LX 4.6L engine
this vehicle exibits mild to moderate spark knock with normal operation. my question is about the octane adjust shown in the wiring diagram. i am not familiar with it. can i use it to eliminate spark knock and how?
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1997 Ford F-350 7.3L glow plugs VIN: EFTHF36F9V
Looking for any suggestions. I have this powerstroke with bad glow plugs, replaced 7 with no problems till the last one and it is seized up in the hole. The outer sleeve on the glow plug came out but the element is still in the hole. Is there some way to remov...
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1997 Ford Mustang 3.8L No Start VIN: 1FALP4U40V
Vehicle towed in. Cranks but will not start. No spark, no fuel pressure. 1.) Checked fuses: Alterator fuse in underhood box blown. Maxi fuse for EEC also blown. 2.) Replaced alternator fuse and connected circuit breaker to maxi-fuse. (Circuit breaker popped ...
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1997 Ford F-150 4.2L head VIN: 2FTRX17W2X
This is real simple but it's been so long and i don't want to start without some simple game plan's. The customer tried a at home tune-up first and broke #1 plug off, i havent seen it yet but it would seem he dropped the porcelin tip into the cylinder. Any che...
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1999 Ford Windstar LX 3.8L MIL Lamp on VIN: 2FMZA5146X
This vehicle came to us with a check engine light that has been on for a long while,as per the owner. Codes PO305 (#5 cyl. misfire) and P1000 (OBDII sytems check incomplete) are the probable culprits. We extensively examined the EGR system and found no problem... Trouble codes: P0305, P1000 (obd ii system checks incomplete)
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1999 Ford F-150 XL 4.2L MIL Lamp on VIN: 1FTZF1722X
this truck came to me from another shop. they had done plugs and wires based on a p0304. the miss got worse and when it came to me i found that injecter #4 was stopped up. we replaced injector and fuel filter. after about a week came back to me with these code... Trouble codes: P0172, P0175
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1999 Ford Econoline Super Duty Custom 7.3L Engine oiling VIN: 1FDXE40F2X
We are having a problem with this bus. At idle the oil pressure gauge goes to zero and the oil warning light comes on. If you just crack the throttle, the gauge will read normal. We know the pressure at idle is 10 psi, but does not seem to be enough to registe...
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2003 Ford Expedition XLT 5.4L Long crank VIN: 1FMPU16L53
This vehicle will occasionally crank for an excessive amount of time before starting. Fuel pressure checks within parameters. OBDII Mode6 shows 5 fail codes. I don't have the resources to define these codes to continue diagnostics. Please help. Codes as follow...
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1989 GMC motorhome 454CID Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 721LK44399
I am having a problem with this motor home burning through the #8 spark plug wire boot. This problem first appeared on a 1500 mile trip, but only on the last 200 miles of a 400 miles leg. It started cutting out and possibly backfiring on accelleration, but idl...
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1997 GMC Safari SLE 4.3L engine assembly VIN: 1GKEL19W5V
This is a request for ideas concerning the replacement procedure of this engine. I am looking for someone else that has been through this procedure before and can give me some ideas of things to look out for and helpfull ideas. According to the procedure lis...
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2002 GMC Sierra 2500 HD SL 6.6L MIL Lamp on VIN: 1GTHK29182
I can delete the code with my scan tool and it may stay off for a day or two. I checked that the signal heater wire from the relay is hot when the MIL light is not coming on (like after I have initially deleted the DTC)I do not have a Tech II scan tool and wou... Trouble codes: P0540 (Intake Air Heater or Intake Air Heater relay)
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1991 Honda Accord EX 2.2L No Start VIN: 1HGCB7164L
this vehicle came in on a hook with a broken timing belt. replaced belt and checked compression, customer got lucky i thought. tried to start and no start/no spark. the injectors pulse with the noid light,but no spark out of plugs. tried a new cap rotor and ne...
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1996 Honda Accord LX 2.2L blinkers, turn signals VIN: 1HGCD5636T
The turn signals on this Accord do not always work properly. Most of the time it is the left side.When you turn the blinker on, you can hear the flasher but the indicator for the signal in the instrument cluster does not light up at first, but after you hear t...
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1998 Honda Accord LX 2.3L Hesitation, Surge, Stall, MIL Lamp on VIN: 1HGCG3245W
Check engine light on . Code P1607 Pwr Train-- Manufacturer Controlled Computer & aux output Clear code , Drove vehicle for 80 km ok. Next morning First start [...] on again Cannot go pass 3000RPM( fuel cut) Book says to replace PCM if code came back on. H... Trouble codes: P1607 (PWR TRAIN -- Manufacturer Controlled computer aux output)
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2000 Honda Odyssey EX 3.5L abs module VIN: 2HKRL1860Y
hi guys,hope you honda techs can give me some help, this honda came in with the abs, traction,and red brake light on,i was able to get a code 35 which led me to the right rear solenoid in the modulator,this is where alldata leads me down the wrong road i did t...
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1997 Hummer H1 6.5L blower motor VIN: 137ZA9031V
i know this has to be a simple system but i can't get any technical info on this vehicle at all. our mitchel lists a hummer h1, but it has little or no info at all. the blower motor will not work at any speed. there is no power getting to the blower motor, res...
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1998 Hyundai Accent L 1.5L MIL Lamp on VIN: KMHVD14NXW
hyundais test is very short--replace converter and/or PCM---not ready to replace pcm yet--any suggestions??? Trouble codes: P0421 (catalyst)
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1974 Jaguar XKE 5.3L Cylinder Liners VIN: UE1S244160
Hello, Group, We pulled the heads on this 12 cylinder E type to do a valve job. After reinstallation, found coolant in the sump. Removed oil pan, found coolant leaking where a few cylinder liners meet the block casting. Some of the liners did move when the he...
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2000 Jaguar S-Type 3.0L hvac VIN: SAJDA01C6Y
This car came in with the complaint that the output from the left and right vents, which are controlled separately, was hot (left side) and cooler (right side). When out on a test drive, the system initially put out refrigerated air from both sides with the te...
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1997 Kia Sephia GS 1.8L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KNAFA125XV
after engine reaches operating temp,and coming to a stop,the idle drops low and stalls intermitantly,the short term fuel trim for bank 1 is -6 to -16 at times at idle,i can create a vacuum leak and the fuel trim tries to return to normal Trouble codes: P0170
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1983 Lincoln Mark VI 5.0L Poor Idle Quality, Cuts out, Stall VIN: 1MRBP99F0D
This vehicle will not idle. If I hold throttle 1/2 down it does keep running. I have blocked off the EGR. Changing coolant sensor makes no difference. I previously replace Intake temp sensor. If I block off vaccum hose to MAP which is on right fender and apply...
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1994 Lincoln Town Car 4.6L Intermitten engine start VIN: 1LNLM81W4R
Tech, I have spend some time trying to figure out the problem, but it seems that i'm run out of ideas. I've change fuel pump assy. and fuel filter. My problem is the intermittent engine starting. I drove the car for about ten to twenty miles then park and tur...
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2000 Lincoln LS 3.9L Hesitation, Surge, Stall VIN: 1LNHM87A1Y
This car has gremlins! Car came in not accellerating past 3000 rpm. It would fall on its face like the rev limiter was kicking in (surging bucking) every time you would crowed the gas. Computors stored codes for fuel pump in memory but no hard codes. Right fue...
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2001 Lincoln LS 3.9L Stall VIN: 1LNHM87A81
This vehicle dies when coming to a stop intermittently every 4-5 days or so. We have cleaned the throttle body, and replaced the IAC, but the customer says it still dies at times, & there is no pattern when it will die out. There are no codes & it runs fine ot...
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1996 Mercedes-Benz E320 3.2L No Start VIN: WDBJTF55F9
okay, This one was towed in from a body shop,hit very hard on right front,enough to crush exhaust against transmission. mostly repaired,but does not start. Vehicle will crank,I have spark and fuel but no injector pulse, cam sensor failed resistence test.instal... Trouble codes: 65 (crank position sensor/magnet or teeth missing)
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2000 Mercedes-Benz S500 Guard 5.0L Radio (audio) VIN: WDBNG75J0Y
Found code N1111 in audio system. Audio off message displayed on startup. Customer states radio went off while driving. Manual says to check connections and fiber optics. Don't know where to start. Just wondering is anyone has seen a failure like this before. ...
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1998 Mercury Mystique LS 2.5L Ignition Lock Cylinder VIN: 1MEFM66L8W
I need a procedure to remove the ignition lock cylinder on a 98 Mercury Mystique when you cannot turn the ignition cylinder. The customer has been having problems inserting the key for some time, now it left them setting because you cannot turn the key once in...
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2001 Mitsubishi Montero Sport XLS 3.0L Overdrive VIN: 1G23456789
This montero has no 4th gear during a road test I maualy shifted though all gears but the truck stays in 3rd. It doesnt try to shif and slip out just stays in 3rd at 85mph and 4800 rpm no shift in all data the test procedure is to groung the #1 pin in the dlc ...
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1993 Nissan Sentra 1.6L Poor Idle Quality, Surge, Cuts out VIN: 31P2PU2377
Hi folks, I am having a time with this Nissan. The symptons are poor idle stability. If I put the car in gear it will cut off or begin too surge. I did not find any codes with my snap on scanner. MY injector pulses seem too high 400ms, Iac is erractic 20-50, t...
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1995 Nissan Sentra 1.6L No Start VIN: 1N4AB41D0S
Hey Guys, A friend recently had this car towed to me. It wouldn't start and he thought it might be the T-belt. It's actually chain driven. It actually has two chains. One from the crank to an intermediate and a second up to the cams. One of the sprockets on th...
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1996 Nissan 300ZX Turbo 3.0L Poor Idle Quality, Surge VIN: JN1CZ24D9T
This one is teasing me. Replaced an engine about a year ago. car has run fine till about 3 mo ago. Now has a persistent rough idle during warm up for about 1-3 minutes. great idle when warm, runs fine at all other times except warm up. seems to be very lean du...
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2001 Nissan Pathfinder LE 3.5L Lighting VIN: JN8DR09Y61
I have this pathfinder in my shop with a problem with the parking lights.When the parking lights are put on they will not go off when you shut off the switch.I have disconnected the combination switch which works the lights I have unpluged the battery saver mo...
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1999 Pontiac Grand Am SE 2.4L codes b1001, b2965 VIN: 1G2NE52T1X
This vehicle seems to set a B1001 option configuration error code every few months. We have installed new BCM's from GM each time. This BCM comes configured when you buy it and can not be reprogramed. This vehicle still has all its factory options such as radi... Trouble codes: B1001 (option configuration error), B2965 (key in ignition fault)
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1997 Volkswagen Passat GLX 2.8L Mechanical VIN: WVWEE83A1V
This passat has a problem when it shifts into 4 mechanical, at times. Customer originally brought it in last week and we couldn't duplicate the complaint and it had no codes. We sent it and now it's back with the same complaint and has two codes stored--00652;...
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2000 Volkswagen Beetle GLS 2.0L Rear Toe VIN: 3VWCA21C3Y
I need some advice from any VW techs who have done rear toe adjustments on these VW's. Hunter machine shows rear toe adjust by loosening rear beam axle attaching bolts and moving the whole axle to acheive total toe adjust. It recommends new bolts in the proced...
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1996 Volvo 960 2.9L Cuts out, Stall VIN: YV1KS9608T
engine runs fine & no problem there , no check engine light, fuel pressure is good & ignition coils tested fine, car when comes to stop it shakes & idles surge & shuts down restart right away. any help will be greatly appreciated
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1991 Audi 90 Quattro 20v 2.3L booster VIN: WAUHE58A9M
Thanks for all responces. We located the tsb in alldata and had a piece just called the intermediate piece and a clevis that were required to use this updated hydro boost unit. Thanks to all whom took time to read and respond. Part #'s are available in this ts...
5
1995 BMW M3 3.0L Excessive Emissions VIN: WBSBF9322S
Thanks for the replies. We received 5 different ones with some useful info. We were basically looking for some insight from someone who was familiar with these cars and could give some specs for what the gas reading should look like. The best info that I recei...
6
2001 BMW 530i 3.0L Misfire, VIN: WBADT63401
This one is fixed. I learned that there is no such thing a s syncing a new DME. Syncing is done when replacing the EWS unit, it has to be synced to the DME. This unit had to be programmed at the dealer in order to operate. With that done the vehicle runs good.
10
2000 Buick Park Avenue 3.8L ride control VIN: 1G4CW52K4Y
I think this one is fixed, at least I haven't heard back from the customer that it isn't. Recieved 8 replys. John from Minnesota and Elias from Florida were in the right area of the repair. It was in the vent/exhaust circuit. After following the diagnostic pro...
8
1995 Chevrolet Blazer 4.3L No Start VIN: 1GNDT13W5S
Hello Everyone, This was a stumper. After checking and rechecking everything I took a leap of faith. What I believe was happening was the pintle on the injector was sticking intermittently. I replaced the injector assembly and vehicle has run flawlessly since....
14
1997 Chevrolet Lumina 3.1L OBD Test not ready VIN: 2G1WL52M6V
Hello to all ! First sorry for the long wait for the close, been on Easter vacation. All who replyed had good info, alot of them we knew of, and a couple showed a few good OBD web sites with good info. All was tryed on this vehicle, first we had 3 not ready's ... Trouble codes: P00, 341 (Cam sensor).
17
1997 Chevrolet C2500 Suburban 5.7L Cuts out VIN: 1GNNGC26RX
Thanks a ton to all who spent their valuable time to offer a hand. It ended up being the ECM. I updated my post that it finally shut down and would not restart for a few precious minutes. Long enough to verify voltage was present and there was no CHECK ENGINE ...
15
2000 Chevrolet Blazer LS 4.3L Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13W4Y
Thanks to all who replied! I replace the fuel pump and the engine idle presure jumped to 58 psi. Truck ran 100% better and all the ST and LT trim readings fell to to less than 5%+-. The O2 readings would latch rich every once and a while . I noticed the fuel p... Trouble codes: P0171 (lean b1), P0300 (random missfire).
12
1998 Chrysler Sebring LXi 2.5L Excessive Emissions VIN: 4C3AU52N5W
pcm was reflashed per tsb 18-26-99, nox emissions at 15ppm now. Apparently certain sebring/avengers have problems with excessive nox emissions. This was one of them. Only data that changed on scan tool was fuel trim -8%, was -10% at this load. Not sure how thi...
10
1998 Chrysler Sebring JXi 2.5L Misfire, MIL Lamp on VIN: 3C3EL55H8W
hey guys and gals. did not fix this vehicle yet. cust has gone and will bring bac at a latter time. i will be sure to give you guys an update as soon as i can. oh and just for the record. the problem has not resurfaced since last visit. ummm who knows. Trouble codes: P0202, P0302.
10
1994 Ford F-350 XL 7.3L Poor Fuel Economy, low power VIN: 1FDKF38F9S
Have not been able to investigate further, -- it keeps snowing! I want to pull the turbo ( 11 psi spec is 15+)but need to wait till we don't need it. Fuel presure is good. That seems to be very important!! Thanks for your help, Mike Trouble codes: P0603.
7
1998 Ford Taurus LX 3.0L Safety VIN: 1FAFP53U7X
ok guys heres the skinny on this one,almost everyone said look at alarm /pats /rabs circuits which i did, but you know when it looks so hard it just cant be that tough so i looked at fords fine diagrams for the 3000th time and found the circuit i needed the da...
6
2000 Ford Explorer XLS 4.0L Poor Idle Quality, MIL Lamp on VIN: 1FMYU24E9X
thank you everyone, wow, these really must have a problem with the intake gskt seals,, almost everyone,, except me, knew about this problem,, i just joined iatn and have worked for a dodge dealer, i never came across this. thanks again, jay
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2001 Ford E-150 Econoline 4.6L Suspension VIN: 1FTRE14WX1
Thanks for all the replies! Upon re-inspection directed by the replies, I found the slip portion of the lower steering shaft has some play. The customer declined replacing it ($210 can)as it is not dangerous (to him). Thanks again!
9
2001 Ford Focus LX 2.0L door locks, radio, dome light, turn signals, hazar
hello techs, i did not get many responces to this problem, but i fiannly tracked it down, had a corroded wire on the bulk head.. it supplied pwr to the fuse block inside the vech. the wire runs from the under hood fuse (40amp) and then to the bulk head connect...
2
1991 GMC C1500 Sierra SLE 5.7L delayed & harsh 1-2, 2-3 Shift VIN: 1GTDC14K1M
Thanks! The Throttle valve was stuck, bad enough that I had to pull valve body. Couldn't pull it out with a magnet. Cleaned, polished and reassembled. Works better than it ever has, according to my Dad. Thanks again!! This is a Great Group
10
1998 GMC Savana 3500 5.7L Cuts out VIN: 1GTHG35R9W
Thanks everyone for the quick response,I recieved 7 replies and Alek nailed it,I remove vcm and the the case was corroded and spilt in halve.Fuel pressure and volume both were good,speed sensor had been replaced and waveform was good,wiring harness appeared ok...
7
1997 Hyundai Accent GL 1.5L Poor Idle Quality VIN: 1W55TY623W
Well techs I believe this one is fixed, how, well I decided to set the Genisys aside and check MAF,ECT,and TPS sensors with the DVOM as you know in my help request that everything looked fine on the scanner. The problem was an intermittin/falty ECT sensor it h...
4
1999 Isuzu Rodeo LS 3.2L MIL Lamp on VIN: 4S2CK58W0X
checked wiring integrity and found rear o2 sensor on other bank shorted to ground , must be bringing other sensor down? customer did not want to repair or replace harness at this time. said will bring vehicle back when due for smog. wiil update later if vehicl... Trouble codes: P0160.
4
1996 Jaguar XJ6 4.0L Safety VIN: SAJHX1743T
Thanks to all who replied, - As it happened, the prospective customer never showed up with the car. I had one message stating that it's apparently possible to extract some codes using a Ford-type scan tool. Frank Rupp British Car Service
5
1995 Jeep Grand Cherokee Limited 5.2L Excessive Emissions VIN: 1J4GZ78Y55
Well, thanks for the help guys. The only step we have left is to check the ECM wich requires sending it out for a week. The customer dose not want to wait a week, or pay for a new ECM. The customer has the vehicle at this point, and it is up to them to go any ...
5
1998 Kia Sephia 1.8L Cuts out VIN: KNAFB1211W
Two problems- PCM fault caused fuel injector not to fire and pinhole in shrouded spark plug connector caused plug to short to ground while showing good scope pattern. New PCM would not communicate with scan tool. Found poor connection at fuse 23(PCM obdII fuse... Trouble codes: P0303.
5
2001 Lexus IS300 3.0L Hesitation, MIL Lamp on VIN: JTHBD18221
Thanks to 2 Phillips, 2 Bobs, Nathan, Todd, Layne, Jason, John [...], and Manny-most suggested the cause as most likely the mass air flow meter, and to either try cleaning it, or replace it. Manny suggested a test for voltage at wide open throttle. The proble... Trouble codes: 0175 (rich fuel condition).
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1996 Mazda Protege DX 1.5L No monitors VIN: JM1BB141XT
As always all input is greatly appreciated, Thank you. When I wrote my post I had just replaced the thermostat, battery cable ends (Cables only available with whole engine harness) and Oxygen sensor NTK (second time, first one (NTK) had a glitch in the wavefor...
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1994 Mercedes-Benz C220 2.2L code p1700 VIN: WDBHA22E0R
Certainly would have missed the fix if it wasn,t for Carl [...],Andres and Richard. Carl said --look for a slight fracture where the vacuum bore is sealed by a steel ball on the distrubition block . Well that was the problem , Epoxy glue crack and drove vehi...
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1991 Mercury Sable GS 3.8L flexplate VIN: 1MECM504XM
Thank you to all who replied. What we found was that the dowell pins in the block would not go in to the transmission as designed from the factory. Secondary hallow dowell pins need to be installed in the lower block bolt holes to ensure proper alignment. We a...
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1992 Nissan 240SX 2.4L engine vacum VIN: JN3MS36A1N
Id like to thank all for the info on this nissan, which by the way dont buy one. I finally took the time to break this thing down all the way to the crankshaft and started from the bottom. the whole time not knowing if this was the problem. But thank the LOR...
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1998 Nissan Maxima SE 3.0L MIL Lamp on VIN: JN1CA21A7W
Replaced the solinoid near the throttle body which eliminated the vacuum at idle when I should have had none. This resolved the fault and eliminated the check engine light returning. By testing even the three inches of vacuum is enough to be seen by the sensor... Trouble codes: 1493 (Evap purge control valve).
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1999 Pontiac Grand Am GT 3.4L Starting VIN: 1G2NW12E2X
Well after much hesitation, we installed a new ecm, and had it reflashed. I kept the car over the weekend and drove it myself. Not one problem starting. MOnday I gave it back to the customer and so far so good. I had many reply about trying a different key, ho...
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2001 Toyota Corolla CE 1.8L MIL Lamp on VIN: 1NXBR12ES1
I received 13 replies and most pointed towards Mass Air Flow sensor. I checked fuel trims; showed lean. Cleaned MAF senor. Test drove, so far so good!!! Trouble codes: P0171 (System lean).
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2000 Volkswagen Passat GLS 1.8L ABS & Brake Light On VIN: WVWMA23B7Y
Hi there, Several people suggested that the ABS control modules are a problem on these vehicles. We ordered a used one (because of cost), installed it, and got several DIFFERENT codes from previously. We plugged the old one back in and got the original codes...
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2001 Volkswagen Jetta GL 2.0L Excessive Emissions, MIL Lamp on VIN: 3VWR529M61
thanks to all who responded! you all nailed it. we ordered a mass air flow meter first thing this morning and i have installed it, cleared the fuel trim and now all o2 sensors are switching properly and the fuel trim is normal. no codes have returned. a few of... Trouble codes: P1128 (manufacturer controlled fuel and air metering), P0134, P0139, P0172, P0137.
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1999 Volvo S80 2.9 2.9L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: YV1TS97D8X
We have a fix! It was the throttle unit! Sorry about the difficult to understand update last week, the post was re-formatted between typing it in, and how it appeared on the iatn. Here's the deal- TNN's 28-41, 37-22, 37-24, 37-25 all deal with the networked ... Trouble codes: 902A (throttle), 928C (ecm), E000 (ecm), 903C (throttle), 903F (throttle), 912A (ecm).
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