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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 19, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Audi 90 2.3L Poor Idle Quality, Surge, Stall
Ive been working in circles on this one. to start out with the car was a comeback from another techs repairs. he performed a motorvac service to try and cure the cold start stalling problem and surging under acceleration. obviously that didnt work. I found a b...
1999 Audi A4 2.8L No Start, Surge, Misfire VIN: WAUGD28D9X
1999 Audi A4 Wagon 2.8 liter engine. this car has been tried to be fix a few time. Will not start unless it is done at the starter motor or jumped with the key in the on postition . When it is running its misfiring and a running ruff engine cheak light is on a...
2000 Audi A4 Quattro Avant 2.8L Instrument Cluster VIN: WAUKH28D8Y
Morning, looking for help on this Audi A4! Customer came in with complant of low oil indicator on and coolant gauge woking intermittingly and dash milage/time date lights staing on after exiting car! Found some posting say problems w/ instrument cluster so wen...
2001 Audi A4 Quattro Avant 1.8L heater control valve VIN: WAUKC68D61
Hi guys, this one is a mystery. We have tried to find the heater control valve, nobody can find it. The Audi dealers in the Denver area don't seem to know much about the cooling system on this vehicle (or won't play nicely with others). Anybody know where the ...
2001 Audi TT Quattro 1.8L No Start VIN: TRUWT28N31
Thanks for taking the time to read this... I wish I had some info! car came in on the rollback as a crank, no start. it was dropped off right next to the street, so i had a bit of a noise issue. It cranked ok, but wouldn't start, when it came in. it acted lik...
2004 Audi A8 4.2L calipers
i have never seen calipers like the ones used on the rear of this a8,i am sure there is a trick to comp. piston but did not want to damage caliper without knowing.any help will be greatly apreciated,i do not usually work on these cars(mostly asian)but got suck...
2000 BMW 528i 2.8L Key Lock (IGN) VIN: WBADM6346Y
This vehicle I replaced the battery in the key fob and tried to re code it. It will not except the programing which I have tried several times. On inspection I have noticed that when I open the door, the display says key is in the ignition lock, even if it is ...
2000 BMW Z3 Roadster 2.5L Cooling Systems VIN: WBACH9342Y
Customers car began using oil rapidly, no external leaks found. Determined the oil is mixing with the coolant. Engine has not overheated. Any thoughts would be greatly appreciated. Engine oil cooler appears to be a seperate air cooled unit.
2001 BMW 325i 2.5L A/C air flow VIN: WBAAN37471
Hell BMW techs We have this car, that in air conditioning mode and air flow setting for center vents (Face), we loose half of the air flow to the defroster vents, the codes described above were retrieved with the "launch scanner" other than that I can not find...
2001 BMW 750iL 5.4L MIL Lamp on VIN: WBAGJ03471
Hello bimmer techs, This 750il keeps getting misfire codes for cylinders 7,8,9,10 and 11. In other words, all left bank cylinders except cyl. 12. Looking at smooth running values with GT1 shows all cylinders on left bank running higher percentage (misfire) tha...
1993 Buick LeSabre Custom 3.8L MIL Lamp on VIN: 1G4HP53116
this is a problem that keeps coming back to our shop. it has had 5 tps put on in 5 years. of the last 4 none lasted longer than 8 months. the last one we put on, wich was my turn at bat on this car, we changed from napa brand to borg warner. the borg warner ma... Trouble codes: 21 (tps high voltage in history), 22 (tps low voltage current)
1994 Buick Roadmaster Limited 5.7L Dash lights VIN: 1G4BT52PXR
dash lights and taillights will not operate with day time running lights operating. headlamp switch as been replaced...check tbs on condition but it doesn't apply to this problem
1999 Buick Regal GS 3.8L Maint. Light VIN: 2G4WF5219X
Customer came in with the "Service Vehicle Soon" light on and "Change Oil" light. We reset the oil change light by depressing the accelerator pedel a few times with the KOEO. The "Service Engine Soon" light is off. Double checked no codes. We are trying to res...
1999 Buick Park Avenue Ultra 3.8L noise VIN: 1G4CU521XX
hey all thanks in advance. got this buick that came in for a olf. upon pulling out i heard a thumping noise coming from eng. compartment. customer said fix it. it is a revolution noise. only in drive or reverse at idle. noise goes away with both belts removed....
1989 Cadillac DeVille 4.5L pcm VIN: 1G6CD5155K
Well this car came in for lack of power after driving for about half hour on several occasions. After replacing all ignition parts, alternator, pcm and battery, and checking all grounds I noticed that even tho tho battery is showing a steady charge, looking at...
1997 Chevrolet C1500 4.3L Fuel Gauge VIN: 1GTEC14W9V
This 1997 pick up has a fuel gauge that wanders from full to empty, and everywhere in between. More than just a little flutter. When driving and the gauge is somewhat stable and you turn your signal on, the gas gauge keeps time with the signal. Moving about a ...
1997 Chevrolet S10 LS 4.3L abs VIN: 1GCCS19X2V
replaced brake line to rear wheels and shoes and drums!!! can not get this thing to bleed, manually nor pressure!!! scan tool shows nothing for brake bleeding procedure any help would sure be appreciated!!! tim
1997 Chevrolet Cavalier 2.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1JC1246V
Ok guys this one is about to drive us nuts and im not sure what to do from here. I am posting this from home for one of my techs. Here is the scoop. we put a head gasket on this thing. We got it together and it was running fine for at least 15 min or so and th...
1999 Chevrolet Venture 3.4L rear door VIN: 1GNDU06E8X
Morning iatn techs, Can someone out there tell me how on earth to get a rear door hatch open on these Venture vans? The handle works and I can hear the mechanism inside the the door moving. My assumption is that this is an electric latch? There is no way to a...
2000 Chevrolet S10 2.2L battery VIN: 1GCCS1442Y
hello techs,please help. 2000 chevy s10 came into our shop last wed. cust. said battery goes dead after setting a couple of days. battery was weak but tested ok after charging. alt output 98 amps checked drian on battery 39ma is as high a drain on system i hav...
2001 Chevrolet Suburban 1500 5.3L no powersteering VIN: 3GNFK16TX1
hello everyone, i could use some help on this one. truck came in with no power steering, so i pulled belt off and found broken shaft so i replaced pump with a reman, still no power steering i swaped over evo switch to new pump, i ckecked power at evo switch an...
2003 Chevrolet Express 2500 4.8L Starter VIN: 1GCGG25V43
This van has had the above noted new parts. After two weeks of driving it will NO Crank with the gear selection showing 2nd gear instead of park or N DTC 706. Clear code and the van runs for another two weeks. I have data stream values from today when this...
2004 Chevrolet Silverado 1500 5.3L speedo VIN: 1GCEK19T34
hi people i have this truck here that the speedo goes up to 115-120 mph when ever it wants it has no codes, the trans shift fine no drivabilty problems i check the two speed sensor they read fine when the problems happen. i know there is i problem with the clu...
1999 Chrysler Town & Country SX 3.8L park lights VIN: 1C4GT64L9X
Vehicle came in for no parking/tail lights,after checking out the systems found that the ground from the BCM on C2 #9 violet wire was not being grounded,by grounding this wire the parking lights worked,I pulled the BCM to get numbers from it & then put it back...
2001 Chrysler Town & Country LX 3.3L power steering hose VIN: 2C8GP44691
Hello all. 01 Town & Country came in approximitely a week and a half ago for power steering fluid leak visual inspection showed split line between rack and fliud cooler. replaced hose all was fine. got a call this morning no steering same hose was split. I che...
1998 Dodge Ram 1500 Laramie 5.2L Hesitation, Surge, Misfire VIN: 1B7HF16Y0W
This truck is not setting codes... But it starts to pop out the TB when driving at constant speed, it is very intermittent... When this happens if you back out of the throttle it will clear up and run of for 30 secs or so and do it again after about 5 times it...
1999 Dodge Ram 2500 8.0L braking VIN: 1B7KF23W9X
we have triple checked front end with all shop eyes no other loose componets on front end, tire pressure good have rotated tires every which way this does not affect pull in any way. this was never an issue before our work was performed.
2000 Dodge Intrepid 2.7L Misfire, MIL Lamp on VIN: 2B3HD46R2Y
this car came to my shop 2 weeks ago with broken timing chain which damaged all valves. installed reman engine and problem i'm having now is cylinder #4 coil burnned out after 1 minute of engine running. ohm wire to and see one wire shorted internal of the com...
2002 Dodge Grand Caravan SE 3.3L MIL Lamp on VIN: 1B4GP24312
Greetings from finally sunny colorado. Got a caravan thats setting a p0301 code. When we first worked on a month ago this van WAS missing. Dealer had replaced plugs and wires. We found plugs gapped incorrectly, but that didn't fix. On test drive, after cruise,... Trouble codes: P0301 (cylinder 1 misfire)
2002 Dodge Ram 2500 5.9L Poor Idle Quality, Surge, Cuts out VIN: 3B7KC26Z72
After driving this truck with normal scan readings and no drivability problems, the upstream O2 sensor values will go to 0 and the fuel pulse width kicks up to 13-14 ms even at idle. It will buck and snort all the way back to the shop. Than after sitting in th... Trouble codes: P0201 (1 Injector control circuit), P0202 (2 Injector control circuit), P0203 (3 Injector control circuit), P0171 (Bank 1 Lean), P0174 (Bank 2 Lean)
2005 Dodge Grand Caravan SE 3.3L intake manifold VIN: 2D4GP24R65
hi group,this caravan leaking coolant from corners of intake used dye just cant see if any leaks at head gaskets havent seen alot of leaks on the later 3.3s do they also have headgasket problems? thanks for the help mike
1992 Ford Thunderbird 3.8L overdrive VIN: 1FAPP6048N
morning, this is my car. it is old, rusty and working on dying, but i would like to keep it going for a few more months. the transmission shifts normally up through the gears and into overdrive. when you let up on the throttle to cruise it goes into neutral. ...
1995 Ford F-150 Eddie Bauer 5.8L MIL Lamp on VIN: 1FTEX15H1S
hello everyone got a strang one here maybe i have fixed all codes on this truck buy fixing multiple vaccum leaks and puting on a purge valve that had a open winding the problem is i cant get 212 no tack to proccesor code to go away went completly through troub... Trouble codes: 565 (canister purge fault), 212 (no tach input to processor-spout), 332 (egr valve not opening), 311 (thermactor air system not working bank 1)
1997 Ford F-350 7.3L converter VIN: 1F1JW36F8V
This truck came in with a code for converter slipage several months ago. After replacing the converter on the road test it died on stops for us with the converter lock up. Called customer and he said OOPs it was doing that right before the code happened but he...
1998 Ford Ranger Splash 3.0L tempature control VIN: 1FTYR14U6W
I just had a few minutes with this vehicle at the end of the day and the customer could not leave it. The tempature from the ducts is always hot no matter where you set the temp control except in MAX AC. I looked to see if there were any TSB for ranger as ther...
1999 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTSW31F6X
intermitt blows the fuse for the idm , waste gate solenoid and the fuel heater this is a 30 amp fuse i am not a diesel tech there was a code po 470 exhaust backpressure sensor we also found a memory code po 232 i dont know if it was there or we caused it by ch... Trouble codes: P0470
2002 Ford Taurus LX 3.0L MIL Lamp on VIN: 1FAFP55U12
This one doesn't make any sense to me. The codes P1132, P1152 indicate that the O2 sensors are not switching and staying rich. But the freeze frame shows the LTFT at 0.0 and the STFT at 3.9. I cleaned the MAF, but it wasn't very dirty and the baro reading is c... Trouble codes: P0552 (P/S pressure sensor low input), P1132 (HO2S11 sensor indicates rich), P1152 (HO2S21 sensor indicates rich)
2003 Ford Ranger Edge 3.0L MIL Lamp on VIN: 1FTYR44VX3
1991 Geo Prizm 1.6L No Start VIN: 1Y1SK546XM
Hi Everyone it's my week to not be able to fix anything!This 1 came in on tow truck with no start.Checked for spark at plug none there.Check'd for sec.spark from coil none there.According to Nodata i ohmed the coil it was ok,did the ohmn tests for pick up and ...
2000 GMC 6500 7.4L No Start VIN: 1GDJ7H1D0Y
After engine install. Engine will crank for 5 seconds then starter disengages. There is no fire from the coils. I have 12volts and ground at every coil. I have injector pulse and tach signal at vehicle tach. Cam and crank signals show on scope for about 2 seco...
1991 Isuzu NPR 3.9L No Start VIN: JALB4B1K1N
This vehicle was towed in for a transmission not shifting. The customer said it has been sitting for about 6 months but always started up. We can't get it running, it tries but never fires. We have pressure to the injectors and the fuel is okay. I succept glow...
1998 Isuzu Rodeo LS 3.2L 2-3 upshift VIN: 452CK58W43
The truck has been in many times in the past year. Friday was the first time i experienced the complaint. The truck has a very harsh 2-3 upshift intermittently. 1-2 and 3-4 are fine. Fluid is fine and full. No codes are stored. The Vetronix is waiting for a ne...
2002 Isuzu Rodeo LS 3.2L MIL Lamp on VIN: 4SD2M58W62
heys guys need some insight here . this rodeo is setting a random ( 300 ) code when ever it feels like it . sometimes the light flashes , however it never has a driveability symptom anytime ?? found nothing obvious and i replaced the intake gaskets 6 months ag...
2000 Kia Sephia 1.8L Cuts out, Misfire
This vehicle bucks so bad on accel I thought the seat would break. I've never driven a car that ran this bad with no codes. We induced a code to make sure self diag was working, and it was. Terrible flat spot and buck at 50% throttle. On road test mode we trap...
2004 Lincoln LS 3.0L Electronic VIN: 1LNHM86S64
This vehicle makes me seem like I am smoking crack :). Actually I am trying to find the cold air bypass motor on this LS. I have a code 1265 that says it is bad. It is supposed to be on the driver's side of the evaporator and the lowest actuator of three. Firs...
2004 Lincoln Town Car Signature 4.6L Misfire VIN: 1LNHM81W04
this car won't misfire long enough to do much testing.i got pulses from my inductive spark tester once when the problem was happening. Trouble codes: P0308 (cyl. 8 misfire)
2000 Mazda B3000 SE 3.0L speed sensor VIN: 4F4ZR17VXY
This truck shows no speed present at gauge. Scanner shows no speed at rear anit brake module. All wires check good to the brake module. Have replaced the rear speed sensor. I cant find a good wiring diaghram from the back of the speedo head. I am not sure if t...
1990 Mercedes-Benz 300SE 3.0L No Start VIN: WDBCA24D3L
Hello Mercedess Fans This car has no power to fuel pump.If I put power to pump at pump car will start.I am using Mitchell for wireing and am not sure it is right.I think I have the right relay.If so pin 6 should power up pump.If I try to put power to pin 6 it...
1998 Mercedes-Benz ML320 3.2L No Start, Stall VIN: 4JGAB54EXW
hello to all i have a big problem this mercedes it will die on 1/2 tank of gas we put in new pump with sending unit and cranksensor car left costomer called back said car died agian we go and check gas is half full we put in one or two gallons of gas car start...
2003 Mercury Sable GS 3.0L Surge VIN: 1MEFM5OU13
Hello iatn members good morning. i have this 03 mercury sable that stumbles and surges under heavy acceleration. feels like the rev limiter is holding it back. have checked fuel pressure. tried disconnecting the maf sensor nothing changed p/n switch looks to b...
1992 Mitsubishi Diamante ES 3.0L Hesitation, Misfire VIN: JA3XC47S1N
this car came in with a stumble occuring on accereration, however he vehicle was notably too loud to do much with as the flexible peice in the exhaust was gone, I advised the owner to have the exhaust repaired so we could hear what was going on and bring it ba...
2000 Mitsubishi Galant ES 3.0L Poor Idle Quality VIN: 4A3AA46L5Y
Customer is complaning of intermittentley vehical RPM is rise as he comes to a stop. Found Codes P0340, P0335, and P0300. Cleared and has not returned. Vehical seems to have to problem at this time and has not acted up for us in the shop. Trouble codes: P0340 (p0335-), P0335 (p0300-), P0300
1993 Nissan D21 2.4L Timing off VIN: 1N6SD16S7P
Hello all, Stupid question here. How do you set ignition timing on this engine? I cannot get the electronic advance to turn off so that I can set basic timing. Problems started when we replaced timing chain. My tech didnt make meaningful marks and installe...
2002 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1ED28T82
this xterra will blow fuse #14 periodically. have checked o2 sensor heater and continuity and resistance seem to be ok. have read some about ecm being bad but not in xterras. do the xterras have ecm problems also or am i missing something. Trouble codes: P0031, P0051
2003 Nissan X TRAIL 2.5L Poor Idle Quality, Surge VIN: JNITBNT30A
This car initially came in for service & tune. customer also said sometimes it wont start-cranks & wont fire and sometimes revs too high. we changed all the normal stuff as part of [...], filters, etc and cleaned out the throttle body. when we were don...
1991 Oldsmobile 98 Regency Elite 3.8L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GC3W53L8M
Need help please.Have this olds that has an intermitent ses light that comes and goes.We put a cam sensor and magnet in it because the magnet had broken apart.this car seems to have the semptoms of a vacume problem but after a couple of hours of searching for ...
1997 Pontiac Grand Prix GT 3.8L headlights VIN: 1G2WP52KXV
Hello, This car is my personal automobile and it has me and my peers in awe! When the blower motor quite working on speeds 1-2 I went for my usual component! The blower motor resistor. After testing and confirming it was bad, I replaced with a unit from Napa,a...
1992 Toyota Pickup DLX 2.4L Hesitation VIN: JT4RN93P9N
thanks for reading my post this truck came to me this week it was at the dealer for all the work you see in the repair history in the last 10 months in the real cold weather it will run real lean after a 3 or 4 mile drive during the tranition from cold to full...
1994 Toyota 4Runner SR5 3.0L tcc VIN: JT3VN39WXR
Hey Guys, Hope everyone had a good St. Pats weekend. I just bought this 4runner and it has the O/D light flashing. It doesn't start flashing until it gets ready to shift into O/D the first time each ignition cycle but after it starts flashing it won't quit un...
2002 Toyota Highlander 3.0L abs VIN: JTEGD2IA82
Hi group this toyota has a interminate brake drop and pulsate (feels like ABS is activating) on dry roads durring a slow stop. The standard brake inspection looks fine. The ABS light never came on . This problem only happened 2 time in the last 2 weeks. Also c...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A8 4.2L thermostat VIN: IGNEK13R7Y
thanks for all the help guys. as i suspected was the t-stat very labor intensive. be care when bleeding the system ait pockets are crucial.
1990 BMW 325i 2.5L power door locks VIN: WBAAD2316M
Thank You to ALL the techs! Just as I had suspected and you confirmed the lock sensor on the drivers door was bad. Two front doors work manually and Ok for the owner at this time. He is not pressured to repair the rear doors at this time and another tech in LA...
2000 Buick Park Avenue 3.8L hard start VIN: 1G4CW52K3Y
hello all sorry it took so long to get back to yall we wanted to make sure this one was good before we sent in our fix thank you for all your responses we feel like a big dummy all we had to do was adjust the throttle plate i still havent figured out way the m...
1993 Cadillac Seville STS 4.6L No Start VIN: 1G6KY5294P
Well I had to bite the bullet and try the ignition module because everything kept pointing to the timing or the module out of time. I could not see just the timing chain to jump so I put on the new module and started like a champ Thank God. Trouble codes: 53 (4x refrence).
1991 Chevrolet Tracker 1.6L No Start, Cuts out VIN: 2CNBJ18V0M
I replace the ignition moodule on top of the coil and that has seemed to have solved my problem. We ran the vehicle all day ans it didn't stall or stumble. Thanks to all that responded.
1993 Chevrolet K1500 Suburban Silverado 5.7L Pedal drops VIN: 1GNFK16K1P
This one is not fixed, but I know what will fix it. The ABS control module is faulty, intermittently causing the hydraulic unit to release brake pressure. Testing the module confirmed that it was bad, but it could still have had a hydraulic problem. I disconne...
1999 Chevrolet Silverado 1500 5.3L door locks VIN: 1GCEK19T7X
sent truck to dealer. dealer was able to program new fob but was never able to get automatic door locks to work right. dealer said 'it's broke'. since customer was selling truck he was ok with this. tech 2 was the only way to program remotes.
2003 Chevrolet C4500 Kodiak C4C042 8.1L fail safe won't engage drive or reverse VIN: 1GBC4E1EX3
Ok short and sweet... the mlps (prnd switch)fixed all the codes I had, including the airbag and charging system ones and even the U1000 can bus communication errors... then having the proper fluid level made the unit engage gear properly thanks for the tips ...
1994 Chrysler LHS 3.5L No Start VIN: 2C3ED56F7R
Towed to another shop. First replaced used pcm with reman from the dealer and reinstalled orginal bcm. Was getting bad signal from crank sensor, so another wire was ran from the crank sensor to the pcm. Also found timing belt skipped. Got vehicle back running ...
2001 Chrysler Sebring LXi 2.7L No Start VIN: 1C3EL56U71
After checking all the responses we decided to recheck timing and found on initial start up the tentioner gave way and alowed the timing to jump. We replace the (new) tentioner with another new one and re-assembled. Car started and runs fine. Just because you ... Trouble codes: P0601 (computer fault).
1992 Dodge B250 5.9L Surge VIN: 2B4HB25Z6N
thanx to all that replied . i decarbonized it and the surge went away !! van is gone !! tsr
1998 Dodge Grand Caravan SE 3.3L Radio/CD player VIN: 2B4GP44R5W
Thanks for the 7 replies, there was useful information from all replies. This was an Infifity system, I did have twelve volts to the amp relay. This is as far as I got because we had a buyer that wanted the vehicle even without a working radio and I was not ab...
1963 Ford thunderbird 390CID wont shift, no 3rd VIN: 3Y83214497
thanks to all who responded, i appreciate all the help especially from mr. l.a. dansey who actually showed up at my shop with a t-bird shop manual in hand, we have an awesome fellowship of technitions in iatn! this trans now shifts as it should, the problem wa...
1990 Ford F-150 Custom 5.0L overflow VIN: 1FTEF15N3L
Hello all. Sorry about the late close; I received 26 replies. Unfortunately, I was unable to repair this truck. Most responses indicated that the pump assemblies should be replaced;I could not in good conscience bring myself to do that as it had previously bee...
1996 Ford E-250 Econoline 4.9L Misfire VIN: 1FTFE24Y0T
Customer needed van for work knowing we still had a ping in it under a load. However, I was able to check timing and was 10 degrees with spout unplugged. Cleaned mas air flow meter and still no change. Replacing the cats did increase the performance but could ... Trouble codes: P0171, P0174.
1997 Ford F-350 XL 7.3L shiftinterlock VIN: 1FTJW36F7V
thanks to tod,darcy,r.d.,raymond,jim,.i did find shift tube bushings gone. wire to o.d. pinched,replaced bushings andshift lever.still had short,unplugged electric brake controller,problem has not repeated since.thanks david
1998 Ford Contour LX 2.5L pats ford pro techs VIN: 3FAFP66L2W
got a hold of another computer this one was hard to find as its a car produced in mexico and its computer is completely diferent to similar cars , well i replaced the pcm and program the pats keys using the ngs , thanks to all for your time and support
1999 Ford Windstar LX 3.8L obd11 monitors not r VIN: 2FMZA5149X
Today is 03/19/07. A very big thank you to all that replied. Mike from new york. Your input was really good. To break it down,my question was really how do I know WHICH monitors haven't run? I probably should have already known that info. was in global obd... Trouble codes: P1000.
2001 Ford Escape XLT 3.0L Poor Fuel Economy VIN: 1FMYU04181
Well i have had this post open for to long thanks for all the replies. Last time the vehicle was in i tried the NGK TSB for a cooler heatrange spark plug and closing the gap by 10thou. I have yet to here from customer on wether gas mileage was affected either ...
2004 Ford Crown Victoria 4.6L Engine VIN: 2FAFP71W54
Sorry it took so long to close this. Thanks to all who replied. The original problem is still a mystery to me, but it seems to be fixed. I removed the throttle body and found a lot of oil in the bottom of the intake, I still have not found the source. There is...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Cooling Systems VIN: 1FTNW21P04
thanks to all that replied. got the truck back that day and pulled the egr valve out & pressurized the cooling system. the new egr cooler failed. rechecked for overboost condition (OK). changed the cooler & flushed the cooling system 3 times with simple green ...
2001 GMC C7500 8.1L no acceleration VIN: 1GDM7H1E71
Well I want to thank everyone who lended a helping sugestion, in my purchute to repair this truck. Boy do I know this system inside and out. I followed all sugestions up to and including running new grounds from the TAC module,and at the TAC motor with no luck... Trouble codes: P1515 (throttle range error), P0405 (egr).
1995 Honda INTEGRA 1.8L Poor Idle Quality, Surge VIN: JHMDC44500
had a huge response to this one & most thought it would be the wax pellets style fast idle device. In the end I belived the fault to be a faulty isc. Basically, when the fast idle device port was blocked no rev changes were noticable, but when the isc was bloc...
1998 Honda Accord LX 2.3L 1-2 & 2-3 shift VIN: 1HGCG564XW
Thanks for all the replies. It was suggested that I try taking out all the shift solenoids and clean them. They have metal screens that can plug up and cause problems. I did this. The overdrive solenoid was completly plugged up. After cleaning this still did n...
2000 Honda CR-V LX 2.0L Poor Idle Quality, Cuts out, Misfire VIN: JHLRD28461
Sorry it took so long. I received multiple replies about valve clearance due to valves tightning up due to not servicing/adjusting at regular intervials. Removed cam cover to find #4 valve to tight and # 2. Also found excessive slop in timing belt leading to a... Trouble codes: P0300, P0302, P0303, P0304.
2002 Hyundai Sonata 2.4L Stall, stalls when warm, VIN: KMHWF25582
we replaced the crank sensor with a new dealer part. couldnt tell old one was bad. test drove for two days and the problem was solved. car has been gone for one week customer reports all is well. thanks for the help Trouble codes: P0340.
1998 Infiniti I30 3.0L instrument cluster VIN: JNKCA21A9W
To all of you who responded with your sugestions I would like to say thank you very much. I installed a new speedometer head and it seems to be working fine. Once again thanks to all who replied to my request for help. Ed [...] D/B/A Swansons Automotive Servi...
2001 Kia Sportage 2.0L MIL Lamp on VIN: KNDJA72391
Good Morning kia techs,This one is finally repaired.The customer came in this morning and I checked this thing out and there was a broken vacuum hose behind the intake near the battery,cracked right at the intake.replaced the vacuum hose and road tested and no... Trouble codes: P0171.
1999 Land Rover Range Rover SE 4.0L air suspension VIN: SALPA1246X
thank you for the responses, sorry for the delay. we tried resealing valves, and codes came back immediately. figured it must be an internal problem which cant be fixed, so we replaced the eas valve assembly, vehicle hasnt been back since. thank you again!
1999 Lexus RX300 3.0L o/d shift, no kickdown VIN: JT6HF10U8X
well i guess the old saying goes... repair the code before diagnosing another system. finally got the vehicle back in... replaced both knock sensors ( as both are next to each other under the lower intake manifold )... and the verdict...mil lamp gone, o/d and ...
2003 Lexus SC430 4.3L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JTHFN48Y33
Hello group: Thanks for all the replies and sure the B2S1 in the one on the passenger side(left hand drive vehicle). What a wonderful site.
2000 Lincoln Navigator 5.4L air suspension VIN: 5LMFJ28A5Y
Thank you all for great info. nice to know when all else fails with these you can get coils from Suncore industries in Florida. I did'nt have to. Doug [...] recommended turning on compressor with scan tool, check pump relay connector if it does'nt go on I di...
1996 Mercedes-Benz S420 4.2L Surge, Stall VIN: WBDGA43EXT
The customer declined any further diagnosis at this time, but we suspect an electronic throttle body failure.Maybe they will change there mind and repair in the near future, if so I will post a detailed fix to this problem.
2000 Mercedes-Benz E430 4.3L Poor Idle Quality, Cuts out, Misfire VIN: WDBJF70J1Y
I replaced the spark plugs and the rough idle smoothed out a lot, but was not totaly gone. I could then narrow the miss down to #3 and #7 cylinders. At that point I switched the plug wires on those two cylinders with others and the miss seemed to switch with t...
2001 Mercury Sable LS Premium 3.0L door locks radio alarm VIN: 1MEHM55S41
thank you for your replies i never got the car to act up for me but did find a bad abs control module that customer declined do not know if it would be related or not but if it ever comes back acting up i will add more.
1999 Nissan Maxima GLE 3.0L No Start VIN: JN1CA21A7X
Thamks For All Your Help Guys I Really Appreciate It...The Problem Was The Key Lost Security Programming. Vehicle Was Finally Towed To Dealer And Reprogrammed...
2003 Nissan Altima S 2.5L Engine Lubrication VIN: 1N4AL11E13
Thank you all for your replies. most of the emails pointed towards the Cat being the problem. We Actually posted this as a favor for another facility and they confirmed the problem and have since sent the car to th dealer for possible warranty claim. Thanks Ag...
2005 Nissan Murano SE 3.5L fluid
than you all for your advice on my nightmare the car did leave the shop with no problems i drained the transmission, ran it for a few seconds & drained again, this got out 8 quarts, added 8 quarts and took a short drive, repeated this 2 times then dropped the ...
1988 Pontiac Firebird 5.0L fuel system?
Thanks for all your help guys. got a chance today to disconnect the EGR and it didnt affect it. hooked it back up. next i tried to back prob the TPS to see if i had a dead spot but my 5$ DVOM wouldnt work right. so i started the car up, unplugged it, and it ra...
1996 Pontiac Firebird Formula 5.7L no Acceleration VIN: 2G2FV32P9T
Thanks for the replies. After an exhaustive search including visiting my friends at the pontiac dealer, I could not find any more info on this system. So I ordered a new one and began to figure out what the difference was. I now know how this contraption works...
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