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Prev Professional Automotive Repair Technical Discussions for July 23, 2007
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2001 Audi S4 Avant 2.7L Surge, MIL Lamp on VIN: WAURD68D71
Vehicle came in with a turbo boost problem.Seemed the turbo was surging upon boost first 15lbs. then 10lbs. erratically and continous always.We did a quick test on the computer memory.Recorded the codes then cleared them and drove the car and no codes have ret... Trouble codes: P0300, P0304, P0305, P0306, P1459 (EGR temp sender implausible signal), P1548 (Solenoid valve for charge pressure control-N75-open circuit)
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2002 Audi A4 1.8L MIL Lamp on VIN: WAULC68E22
Hello, need some audi expertise on this one, we had a car towed here from another shop, customer's choice, partial tear down, had broken exhaust cam, we ordered a sort of reman head, from recycler, our head had markings "AMB" , the head we recieved did not hav... Trouble codes: P0341 (cam shaft position sensor), P0340 (cam shaft incorrect allocation)
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1998 Buick LeSabre Limited 3.8L security light VIN: 1G4HR52K7W
Vehicle came in with a no start, found that the anti-theft module was faulty. Installed new module from dealership and vehicle now starts. The problem is the "Security" light keeps flashing about 1 time per second. Looked through our Mitchell program and did a...
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1985 Cadillac Eldorado 4.1L Programmer VIN: 1G6EL5788F
We have confirmed that we need a programmer for this vehicle, however, we cannot find one. This may not be the right place for this type of post, but if anyone knows where we can find this component, we would greatly appreciate it. The programmer number that w...
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1994 Cadillac Fleetwood 5.7L Safety VIN: 1G6DW52PXR
Hello and thank you in advance for any help, We have a 94 Cadillac Fleetwood that starts and the dies out, never fails to crank. When it first came in it would never stay running for more than 3 seconds and then dye out. We pulled the Ignition lock cylinder ou...
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1986 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Stall
idle hunts from roughly 250 up to 1200 solus says idle should be stable at 550 hot, cold as high as 1300 mass air has been replaced checked both relays mass air reading is 5 to 6 lbs per hr at hot idle ( i will refer to all as hot idle unless noted)injector ms...
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1990 Chevrolet Lumina 3.1L No Start VIN: 2G1WL54TXL
This car came in on a hook about a week ago. The customer stated that it had a no start condition because it kept blowing the injector fuse. The customer also stated that the vehicle did run before all of this happened. I did a visual inspection and found seve...
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1994 Chevrolet Blazer 5.7L Poor Idle Quality VIN: 1GNEK18K1R
Need some GM tech help here! Should be easy i havn't worked on GM's for a while and this is my vehicle and i am trying to set the timing on this Blazer but need to find one thing! Engine label says to "put the distributor in bypass mode by disconnecting the ti...
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1995 Chevrolet K2500 Cheyenne 6.5L Excessive Emissions, Misfire VIN: 1GTGK29F0S
This truck starts fine no smoke but rev it up to 2000rpm it starts to missfire and black smoke code 19 or 18 will set eventually. under load or no load same problem. Engine runs better once ses light comes on. cam offset 0.08. Fuel psi is 4-6psi and will fill ... Trouble codes: 18 (cam sensor), 19 (crank sensor)
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1998 Chevrolet C1500 Cheyenne 5.7L master cylinder VIN: 2GCEC19RXW
Hello gents. I have a vehicle with a spongy brake pedal. We have already replaced the master cylinder, power booster, turned the front rotors and rear drums and replaced the pads and shoes. The vehicle seems to stop better, but still seems to have this spongy ...
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1998 Chevrolet Corvette 5.7L MIL Lamp on, Loss of Power Light VIN: 1G1YY22G0W
This car runs great! Allegedly has 560hp, until the Loss of Power message and MIL come on, then its all over. Customer says it ran great for 1 1/2 years after superchager was installed. I have had it come on for me at start up and on decel after several good r... Trouble codes: P1120 (TP Sensor 1 Circuit), P1221 (Throttle Position Sensor 1 and 2 Performance), P1515 (Commanded vs Actual TP Performance from PCM), P1526 (Commanded vs Actual TP Performance from TACM)
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2001 Chevrolet Malibu 3.1L theft VIN: 1G1ND52J61
Is it possible to by-pass the theft lock cylinder on this style system. This is a fleet vehical and we have replace three ignition lock cylinders and one ignition switch in a years time and still the driver will have to perform a relearn one to three times a w...
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2001 Chrysler 300M 3.5L MIL Lamp on VIN: 2C3HE66G31
replaced 02 for heater failure went through alldata diag found no problems the check engine light only comes on after drive cycle and car is parked over night the next morning light on i used oem 02 and checked alldata for proper location of 02 sensor bank 2 s... Trouble codes: P0161
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1997 Dodge Grand Caravan 3.3L Will not shut off VIN: R2VR285769
This one really stumps me. Customer complains that vehicle will run for up to 20 minutes (?) after removing the key. (I've only been able to get it run on for 20 or 30 seconds, but it does it with regularity). Due to high mileage, removed instrument cluster/bu... Trouble codes: P1799 (TCM code - calculated oil temp in use.), P1792 (TCM code - battery disconnected)
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2004 Dodge Ram 1500 Truck ST 5.7L cruise control VIN: 1D7HU18D54
The cruise does not work. This is a ETC system, w/o a throttle cable. There is no servo, vacuum etc. The only system components that I am aware of is the switch. The system is totally inoperative. When idling, you can push the set button, and the light illumin...
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2004 Dodge Ram 3500 Truck ST 5.9L cruise control VIN: 3D7LU38CX4
this vehicles cruise control will work fine for about two blocks then shut off leaving the cruise light on the dash but it will not reset the cruise to work. i'll set the button and drive for roughly two blocks and it will shut off. does not matter the speed.
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1976 Ford Pickup F100 6.4L No Start, Cuts out, Stall, Misfire
basicly im not a old ford guy ,what i have is a truck that will run good cold once it gets hot it just quits like you shut of the key , if you try to restart it will backfire skip , run real ruogh if it starts,ive tried to install 3 different manufactures of c...
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1997 Ford F-150 Lariat 4.6L MIL Lamp on VIN: 1FTDX17W8V
Hello, I need some help with this ford truck. it has a egr flow code. when it first came in i hooked a vaccuum pump to the topp of the diaphram on the valve it self and started pumping, would not hold vacuum and no change in rpm at all. i removed it and determ... Trouble codes: P0401
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1997 Ford F-150 Lariat 4.6L Poor Idle Quality, Hesitation, Misfire VIN: 1FTDX1767V
THANK YOU IN ADVANCE FOR ALL YOUR HELP. I HAVE ONE THAT IS TROUBLING ME. THIS 03 FORD F150 HAS A BAD TIP IN HESITATION WHEN HOT. RUNS LEAN TO THE POINT OF ENGINE BACK-FIRING THROUGH THE INTAKE. RUNS FINE AT ALL SPEEDS JUST WHEN ACCELARTING OFF IDLE. TESTED FUE...
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1998 Ford Escort ZX2 Hot Coupe 2.0L Rattle noise heard from drivetrain VIN: 3FAKP1136W
Vehicle came to us for a noise heard from the drivetrain. It was first thought the water pump was faulty/noisy in the parking lot. When we got the car on the rack, you could hear it all around the drivetain-at the oil pan, transmission, cylinder head & exhaust...
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1999 Ford F-250 Super Duty Lariat 5.4L 4r100 transmission VIN: 1FTNX20L8X
came in for delayed engagement in forward, sounded simple enough. We changed torque convertor and refurbished accumulator valve. No Change, we removed unit and put in spags according to the book. NOW WE have NO FORWARD. We have pulled this thing and nearly rep...
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2000 Ford F-250 Super Duty Lariat 6.8L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: 1FTNX21S1Y
originally came in with lean code. found downstream o2 sensor connector melted. replaced o2 sensor. also replaced #9 and #10 coil boots, all 10 spark plugs, performed motorvac service. truck still has rough idle. no codes being stored. no misfire data availabl...
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2001 Ford Taurus SE 2-Valve 3.0L Electronic VIN: 1FAFP55231
car wiil push trany fluid out dipstick, this is the 6th taurus that we have had do this. We checked the vent and was able to blow air through vent and feel it come out the dipstick tube. Anybody have any thouhgts or specific fix to this problem? Seems after sh...
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2001 Ford F-150 King Ranch 4.6L No Start, Cuts out, Stall, Misfire VIN: 1FTRW08W81
i need help , the only thing that is consistent with this thing is that if you start the engine & take off, the truck does something stupid, sometimes it stalls & wont restart until the key is cycled off, if you leave the key on, no start & odometer reads ---,...
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2003 Ford Expedition Eddie Bauer 5.4L ride control VIN: 1FMFU17L73
car came in with noise under hood(air suspension pump), replaced pump-quieter but still noisy, replaced unit 2nd time(arnott new pump both times)-still noisy, pump runs just after start up for only short time,anyone seen these with noisy pumps & how often shou...
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2004 Ford Taurus SES 3.0L a\c compressor VIN: 1FAFP55S94
customer complains of compressor running all the time.Tryed switching relays,compressor will shut off with relay unplugged.No codes and is manual a\c.Any help would be apperciated.
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2004 Ford F-350 Super Duty XL 6.0L Hesitation, Stall, low power
i have a 2004 6.0 diesel that intermittenly has low power while towing.also at start up in the morning.they go to back up out of there driveway and it seem like it dont want to go anywhere.sometimes while driving down the highway,under accelleration it smokes....
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2004 GMC C4500 Topkick C4C042 6.6L Cuts out VIN: 1GDE4C1114
truck will shutdown coolant light on dash lights up first there is also a light a circle with an arrow throuh it truck shuts off as if you turned the key off will restart after30 seconds to one minute any ideas greatly appreicated Trouble codes: 0089 (fuel presure regulator)
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1992 Honda Civic LX 1.5L a/c VIN: 1HGEG8658N
pressre readings as follow... low side in vaccuum, high side 200-275 psi at idle
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1996 Honda Odyssey LX 2.2L No Start VIN: JHMRA1860T
I replaced the engine and trans in this van with units from Japan. The engine was basically a long block. Put everything together and no start. Fuel pressure spark timing all OK. Being a Japanese motor it didn't have a TDC or Crank Position sensor so I transfe...
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2000 Jeep Cherokee Classic 4.0L p1686 VIN: 1J4FF58S7Y
vehicle has P1686 no skim bus message received. This cherokee does not look like it has skis type ignition key or skim transceiver arounr lock cylinder(the harness is there but nothing to plug into) it does have the RKE transceiver (remote keyless entry) circu...
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2001 Jeep Cherokee Classic 4.0L gauges,radio, VIN: 1F4FF48S31
hey jeep techs i need a little help on this one. this jeep is blowing the fuse for the instrument panel,radio,and interior lights. i havent started to dig into it yet but i was wondering if there might be a common place on these to look for a short to ground. ...
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1998 Land Rover Range Rover HSE 4.6L front left wheel bearing, axle, and brake rotor VIN: SALPV1440W
Problem: After the customer picked up his vehicle, he drove approximately 10-20 miles and began hearing some noises and vibration in the front left wheel. The vehicle was towed to the repair facility. After inspection it was discovered that the front left whee...
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1998 Lexus SC400 4.0L high idle VIN: JT8CH32Y5W
Vehicle came in with tps codes p0120 and p0121. Customer had problems with poor acceleration, tcs light on. Did not act up in the shop, however, from iatn research it appeared relatively certain that the tps was causing the problem intermittently. Replaced tps...
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2003 Lincoln Navigator 5.4L shift lever interlock VIN: 5LMFU28R93
customer drives vehicle everyday. 2-3 times a week, can not get floor mounted shift lever out of park. last week, in a parking garage, it took 30 minutes of moving pedals, ect., when it finally came out of park. in our shop,when it is working, i noticed that y...
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2001 Mazda MPV DX 2.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: JM3LW28G01
it is a 2.5l, it has no throttle power, skips at idle, pops back thru the intake at idle and while depressing the throttle. Tried another MAF sensor also didnt work.Here are the readings from Genysis, TP voltage at idle is .92 and 4.6v at wot,the following rea... Trouble codes: P0102 (MAF low input), P0103 (MAF high input), P0113 (iat high input), P0300 (random misfire)
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1996 Mercedes-Benz E320 3.2L cooling and a/c VIN: WGBJF55678
alittle help please. I have this 1996 e320 that overheats in stop and go traffic with the a/c on. i have noticed that the the front fans never come on. I know they are run by the p/s system but I do not know what activates them. I feel they should come on when...
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1999 Mercury Sable LS 3.0L compressor VIN: 1MEFM53S7X
hi everyone. i have 99 mercury sable with complaint npo a/c . it have full freon but no power go to compressor . if i bypass the relay, clutch engage, then a/c cold. it have automatic control panel, even i pressing max a/c or auto mode , still nothing change.m...
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2002 Mitsubishi Montero Sport XLS 3.5L Unknown VIN: JAHMT31RX2
Vehicle has a pronounced driveline vibration that goes away at 65 mph. We pursued many angles, flushed trans, replaced transmission mount, removed rear driveshaft and test drove with no difference, checked rear driveshaft with no problem in evidence. Checked t...
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1996 Nissan Maxima GLE 3.0L compressor on all time VIN: JN1CA21D8T
How are you guys? We have this Nissan with customer complaint a/c not cold. Initally ran the ac system without guages hooked up. Vent temp on high blower speed would cycle between 40 and 60 degrees about every 5 minutes and would continue to do this at idle (d...
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2000 Nissan Maxima GLE 3.0L MIL Lamp on, CODE P0420 VIN: JN1CA31D2Y
This customer purchased car with none of these problems. 1 month later both these codes popped. No drive ability issues at all. Just codes with mil light. Replaced knock sensor, figured maybe it was messing w/ timing and popping code p0420. Got rid of code p03... Trouble codes: P0420 (2-way cat/con sytem bnk 1)
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2001 Nissan Sentra GXE 1.8L No Start VIN: 3N1CB51D91
Hello to all, I don't normally work on Saturday but this car is driving me nuts. It started out as an intermittent no start. I had the car for a week and no problem, the customer takes it home and lo and behold-crank but no start- it comes back and atleast it...
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2001 Nissan Frontier SE 3.3L g-sensor VIN: 1N6ED27Y31
please help, all nissan techs- we installed a g sensor on this truck and have an intermittent c1113 code still troubling us. will do more testing to load all circuits. this time the lite came on while driving in stop and go traffic. customer upset of course, e...
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1994 Oldsmobile 98 Regency 3.8L power windows, power seats, interior lighting, eng VIN: 1G3CX52L6R
Car came into shop with problem when you try to roll down window or move drivers seat the car would stall. Noticed when using drivers side switches...windows, seat, door locks the light would come on in the power seat switches. Checked for ground problem, can ...
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1997 Oldsmobile Aurora 4.0L Poor Idle Quality, Cuts out, MIL Lamp on
this one has me stumped car came in on the hook went out with scanner and found no codes cusomer states died and wont start (but it strted and ran for me) found freez frame data for egr voltage low and cleared code customer set up appoint. for 2 days later it ...
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1989 Pontiac Bonneville LE 3.8L Pressure VIN: 1G2HX54C5K
Its like the compressor is flowing backwards. Ok never seen this before. This vehicle came in no a/c, blowing warm, found no freon in system, compressor was cracked. R12 system. Replaced compressor, dryer and orfice tube after flushing system. Added freon, 2.8...
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1996 Pontiac Bonneville SE 3.8L Blower Motor VIN: 1G2HX52KXT
Blower motor runs constant with key on are off. Pulled AC fuse and blower stops running, changed control Panel and Blower Module with used parts still not working. Pulled rap relay thinking power was supplied. Alldata does not list symptom of blower motor oper...
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1999 Pontiac Grand Am SE 3.4L passlock VIN: 1G2NE12E8X
This vehicle will intermittently not start and security light comes on. The passlock cylinder has been replaced. DTC's B2960, B3133, and B3138 keep returning. Before I replace the BCM I would like a second opinion. Thanks guys, Lee
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2001 Pontiac Bonneville SE 3.8L rear air ride VIN: 1G2HX54K61
We have replaced rear air shocks and mounts on this car. It has a noise over bumps in the rear. It sounds like there is a bad mount in the rear. All the bolts are tight and there is no noticeable damage to any components. I did notice the entire rear suspensio...
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2002 Pontiac Grand Am SE1 2.2L No Start VIN: 1G2NF52F42
Come in crank no start, now has hard start cold. It started for us and drove it in. we scope tested the fuel pump (ok), scope test crank position sensor and the pattern was erratic but it would still start for us. Then in the process of checking it out it went...
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1983 Porsche 944 2.5L No Start VIN: WP0AA0949D
This car belongs to a friend. Should know better. Anyway, it started in September. Has been in storage for 6 years. Would not start 2 weeks ago. He put a battery in it and it still doesn't start. Towed to my shop and upon cranking it will try to start but not ...
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2004 Subaru Impreza TS 2.5L Ping/rattle on Accel VIN: JFIGG65534
Have the '04 Subaru that rattles lightly under accel, or load. Looked for an egr, and found none. O2 count looks good. No faults. Good milage, no excess oil consumption. Plugs look good.
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1985 Toyota Pickup 2.4L Misfire VIN: JT4RN60R3F
engine runs on 2 cylinders only. #2 and #4. Numbers 1 and 3 are dead. I swapped spark plugs, then wires but no change. I have good ignition to all 4 cylinders. Compression is good on all cylinders. My Mitchell wiring diagram shows that the injectors are fired ...
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1990 Toyota Land Cruiser 4.0L No Start, Cuts out VIN: 2BG6011398
This landcruiser has a diesel engine. This is a r/h drive vehicle, so I think it was imported. There is no info on Alldata, Snap-on Modis does not include it. It is electronic controlled. It usually starts fine cold and runs well on the road. After sitting war...
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1994 Toyota Pickup DLX 3.0L No Start, Stall VIN: 4TAVN13D4R
intermittant no start / stall sets code 14 in ecm memory, igniter was replaced at another shop, i am leaning towards distributor, any suggestions Trouble codes: 14
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2003 Volkswagen Beetle GLS 2.0L cooling system VIN: 3VWCK21C33
Car will flag P2181 (malfunction in cooling system) after several days. Freeze frame data shows code occurred at 78 deg,celsius. Drove car over 50 miles with no overheat condition and normal operating temps from 86 to 90 celsius. Compared temps from ECM to tem...
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1999 Volvo S70 AWD 2.4L Poor Idle Quality, Hesitation, Stall, Misfire VIN: YV1LT56D2X
Good day folks I have an interesting one here, This car won't build rpm over 2000rpm, it has a very rough idle furthur in i found that it had no injector pulse on cyls #3,4,5 at idle. If I rev the motor up the injector pulse occurs and it seems to run smooth b...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 BMW 528i 2.8L PCV system VIN: WBADD632XV
Hey Gang, thanx for the response. As a last resort I agreed to (at the customer's request)redo the valve cover job and called him several days later and the the problem is the same as before. I advised him to drive the car on the highway for extended periods ...
7
1999 BMW 740iL 4.4L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: WBAGH8332X
Thanks To All Who Wrote In With Their Suggestions. I Pulled The Spark Plugs And They Were The Worse That I Have Ever Seen. I Replaced All 8 And The Check Engine Light And The Misfire Went Away. Thanks Again To Everyone Who Wrote In!!! Trouble codes: P1343 (Misfire Detected).
14
1999 BMW 323i 2.5L expansion reservoir VIN: WBAAM333XX
What a hassle. I probably could have gotten it out by pushing, prying, and hitting, but it was really tight. I removed the radiator (and condenser as an assembly), and then it was easy to work it out. It's just as well because the radiator was completely bl...
5
2001 BMW 740iL 4.4L Unknown VIN: WBAGH834X1
apparently this is a common problem. there are 2 "what look like" lower arms, the arms in the rear with the big bushings are called a strut rod, these are the ones I think are making the noise and from the replies I got seem to be the culprit. at 150 bucks eac...
10
2004 Buick Rendezvous CX 3.4L rear diff. pump ck. valve VIN: 3G5DB03E34
Hi All. Thanks to the iATN and all the replies the Rendevous is fixed. I replaced the rear diff. clutch pump actuator check valve and the conector#[...]. This turned off the AWD Disabled display on the dash and all is working correctly. The right output sha...
9
1995 Cadillac Seville SLS 4.6L compressor VIN: 1G6KS52Y7S
Thanks to 14 replies received, the general consensus was to delete ACP memory by simply disconnecting the battery - this was the fix. Other replies stated that the codes could be called up and deleted by manipulation of the A/C panel buttons. A thread running ...
14
1995 Cadillac DeVille 4.9L Misfire VIN: IG6KD52B25
The customer gave the car back, from where he bought it! I relaced the module it did not help, grouded the engine, no help! Thank you very much for your help]
8
1995 Chevrolet Caprice Classic 5.7L starter VIN: 1G1BL82P7S
THANKS TO ALL WHO REPLIED. I REPLACE BOTH BATTERY CABLES AND PROBLEM HAS BEEN RESOLVED. HAVE NOT HEARD FROM CUSTOMER FOR 2 WEEKS NOW.
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1996 Chevrolet Blazer 4.3L abs/4wal
Thanks for all the replies. Phil nailed it right on the head! I was looking for a way to conclusively prove that the modulator had failed, and he supplied the answer. There are two stems that are on the side of the unit that should not move when the brakes ...
14
1998 Chevrolet S10 LS 4.3L Poor Idle Quality, Misfire VIN: 1GCCS19X0W
Trouble codes: P0300 (random misfire).
15
1998 Chevrolet K2500 Cheyenne 5.7L no power VIN: 1GCGK29RXW
THANKS FOR ALL REPLIES BUT COME FIND OUT CUSTMER HAD WRONG FUEL PUMP PUT IN TWO WEAKS AGO {WRONG CODE ON PUMP} GOOD PRESSURE BUT NOT ENOUGH VOLUM.
21
1999 Chevrolet Blazer 4.3L a/c VIN: 1GNDT13W6X
thanx for all replies it was the blend door actuator!
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2000 Chevrolet Silverado 1500 5.3L compressor VIN: 2GCEC19TOY
again many thanks to all who took time to answer.as almost everone suggested i drove truck till a c clutch kicked out,with truck still running and ac on,i tapped on clutch and wa la ac came back on.i also cleaned condensor coil and clutch on ac compressor,as m...
16
2003 Chevrolet Silverado 2500 6.0L coolant VIN: 1GCGK29UX3
Thanks for the helpful tips,I decided to go at this one problem at a time, starting with the waterpump gaskets to cure the external leak.The customer is now going to moniter the oil and coolant levels for the time being.Thankyou again for your input.
8
2004 Chevrolet Silverado 1500 4.3L starter no crank VIN: 1GCEC19X14
Thanks for all the help the guy tole me he hasnt had any problems since the fuses where installed the only thing i can think of is a problem possible in the fuse block in the eng. compartment, i didnt want to keep this open for to long. He said he will call if...
3
1991 Chrysler LeBaron 2.5L front signals VIN: 1C3XJ45J7M
Sorry for the delay in closing this as the customer did not bring the vehicle back to us until now. The fault was the daytime running lamp module which is located in the left front corner of the vehicle. This module splits the signals for the turn signals and ...
4
2001 Chrysler Sebring LX 2.7L Poor Idle Quality, Surge, Poor Fuel Economy VIN: 1C3LL46U31
hey guys thanks for the help but all replies said cam timing which is what I thought but we have torn it down twice and all looks well .customer is driving it for a couple of weeks I will post upon his return
7
2003 Chrysler PT Cruiser 2.4L instument cluster VIN: 3C4FY48B33
Thanks to all the quick and great responses. In fact it was the IOD fuse that was blown. Replaced the fuse and everything went back to normal and it's been a few days and the fuse has not blown. Thanks to all who took the time to respond. John
9
1984 Dodge D150 5.9L Oil Pressure VIN: 1B7GD14T8E
Thanks IATN. I have somewhat fixed the vehicle. I installed the oil pump before the oil pump drive, i found with priming the engine with a drill and rod before i installed the oil pump drive. Now the engine has oil pressure and runs, but now found this vehicle...
15
1998 Dodge Grand Caravan SE 3.8L No Start, Stall, NO CRANK VIN: 1B4GP44L5W
2nd new PCM came from dealer today. Plugged it in PRESTO! Everything worked perfect. Moral of the story, trust yourself, don't trust the parts man!!! Thanks for all your replys. Dave
11
2004 Dodge Intrepid SXT 3.5L Hesitation, Surge VIN: 2B3HD56G84
I can`t explain this one as of right now. hooked up a different scanner & everything is fine. CTS voltage reading are normal & vehicle goes into closed loop. As for the stumble & hesitation i still haven`t been able to duplicate. Customer has the vehicle heade...
5
1994 Ford E-350 Econoline Club Wagon XLT 5.8L Unknown VIN: 1FBJS31H5R
Hello to all. Well the customer has been briefed on all the possibilities and has decided to try a used pcm. No I could not get any codes or find any burnt wiring to tell what circuit to start with and due to the exccessive burning in pcm I could not determine...
10
1997 Ford Contour GL 2.0L No Start VIN: 1FALP65Z9V
ok you guys scared me off, due to working with high pressures, and was unable to find any more information online, so told customer to drive with gasoline only. NOTE: there are only a few of these type of vehilces on the road leads me to assume that cng is ...
5
2003 Ford F-350 Super Duty XLT 6.0L low power VIN: 1FDWF36P73
Problem was exhaust leak in Y-pipe between exhast manifold and turbo. Pipe would not leak at normal idle in stall. Friday evening I decided to check for leaks by increasing RPM and closing vanes on turbo using the PDS. I could then feel exhaust leak. Replaced ... Trouble codes: P132B.
5
2004 Ford E-350 Super Duty 5.4L MIL Lamp on VIN: 1FDWE35L44
Well, I copied down the freeze frame, cleared the code and tried to get it to reset by moving wiring harnesses, connections, etc. Nothing reset, so I put a rail sensor in one of the two buses. Thirteen days and 3,000 miles and no check engine light, I would sa... Trouble codes: P0191 (Fuel rail pressure sensor curcuit).
5
2005 Ford E-450 Super Duty 6.0L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 1FDXE45P35
This one is fixed.I waited until the last minute to be sure due to the nature of the problem. A combination of a leaking egr cooler and a bad injector was the cause.The intake and egr valve were removed and cleaned,and #6 injector was replaced.These repairs we... Trouble codes: P0404, P1335 (egr), P0278.
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1996 Honda Prelude VTEC 2.2L abs pump VIN: JHMBB117OT
Thanks to all who offered info on this car. I was able to duplicate the problem one time after many miles of driveing it. It simply activated the abs as if it were locking up a wheel. The ABS light did come on and when I went after a code I found a code for a ...
6
2000 Honda Accord SE 2.3L srs light VIN: 1HGCG5673Y
As suggested by many,the seat belt buckle switch on pass. side is bad, so the honda dealer will fix this one. thx.
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2000 Hyundai Sonata 2.4L Hesitation, Stall VIN: KMHWF25S6Y
Removed upper cover and inspected t-belt no missing teeth. Vehicle has 95k never had belt replaced its worn.. Sold customer t-belt, balance belt, crank senor. I never could get vehicle to act up for me, i believe cust. Crank sensor was not damaged upon removal...
6
1997 Infiniti Q45 4.1L power steering VIN: JNKBY31D6V
thanks to all that helped ihad to blead the way dennis said 10 secs run 10 min off and then lock to lock its been gone for four days and have not heard back so asumming all is well thanks again
3
1999 Infiniti QX4 3.3L transmission VIN: JNRAR07YXX
Dave [...] gets the cigar. Found the sun shell had a crack and was stripped. At first thought it might be transfer case problem but more and more I sensed a tranny problem. When I dropped pan there was some debri and it led to a tear down to find that the su...
4
2001 Jeep Grand Cherokee Laredo 4.7L all rubber brake hoses VIN: 1J4GW48N21
Thanks for all the help on this one.flushed system.checked master no problems no swelling.customer didnt know he had a problem till the tech found it..he flushed the system and replaced all rubber brake lines.customer hasnt been back.haven found this on any ot...
15
2000 Lexus RX300 3.0L 3-o/d shift VIN: JT6HF10U1Y
HI.iATN MENBERS...JOHN,ROD,& CARMEN..I REPLACED BOTH KNOCK SENSORS & UPDATED HARNESS...O/D WORKS GREAT. EVERY ONE HAPPY ESPECIALLY USED CAR DEALER & //SMOG TECH.// iATN IS GREAT..THANK YOU, DENNIS..
3
1991 Mercedes-Benz 500SL 5.0L No Start, Hesitation VIN: WDBFA66E8M
found corrosions in Overvoltage protection relay, shorting between circuit, causing excessive rich condition "intermittently". Brushed off, reinstalled. Works good now. Thanks to the guys trying to help me out. Much appreciate it.
4
2001 Mercedes-Benz E320 3.2L Misfire VIN: WDBJF65W91
As I said on update I tested car with new MAF, fuel pressure is ok, exhaust backpressure too. As problem is hard to reproduce this is the kind of problem very dificulty to solve. Despite the cause sometimes is right in front of you. I don't want to have th... Trouble codes: P2043 (misfiring), P2044 (misfiring of cylinder 01).
9
1998 Mercury Grand Marquis LS 4.6L a/c VIN: 2MEFM75W7W
finally could prove faulty blend door, found resistance between blend dr feedback (pin 18 connector c227) and blend door pot ground (pin 9 connector c228) to be out of spec intermittenly and varies when pushing near connector area of blend door actuator. Dash...
7
1995 Mitsubishi Galant ES 2.4L No Start VIN: 4A3AJ6G9SE
In the help request I asked for information on how to determine if the problem was the distributor or the ECM, some of the replies said the ECM never goes bad, others said there are a lot of problems with ECM's, One replygave what I asked for, he said check f...
12
1984 Nissan 300ZX 3.0L dash/gauges VIN: 1N1CZ14S1E
Thanks to all that replied and to Doug from Florida for sending me the factory manual. I was able to conclude it wasn't a solder joint or brake by following the current so it might have been a microprocessor on the dash unit. I found a used one finally and its...
5
2002 Nissan Altima 2.5L head gasket VIN: 1N4RL11D72
In short, the head gasket CAN be replaced without removing the front cover. This saves a lot of time and effort. I got replies approving and disapproving the above shortcut. In my case I did not yet see any oil leakage. There was no indication as to why the h...
7
2003 Nissan Altima 2.5L No Start VIN: 1N4AL11D33
We determined that the immobilizer was the issue. This car had been stolen some time back and had to be reprogrammed. Something had happened again and it seems to have lost it's program. Thaks for the info.
6
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