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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 4, 2008
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Open Help Requests for All Makes and Models
Help Request Answers
2006 Audi A3 2.0L drivers side seatbelt tensioner/igniter VIN: WAUMF78P66
after replacing seat belt tensioner assembly cleared code - same code comes back, disonnected batry and jumpered positive and neg. cables together for ten minutes thinking control module was locked up.after that tried to clear code - code comes right back. che...
1990 Buick LeSabre Custom 3.8L Unknown VIN: 1G4HP54C0L
This 90 Buick Lesabre was brought to me by a new customer that just purchased the vehicle a day before seeing me. He approached me with the complaint of a rattling noise when he picked the vehicle up. A quick run through with a stethoscope led me directly to t...
1991 Chevrolet Camaro RS 5.0L Excessive Emissions VIN: 8THDIGITSF
Hello fellas. I have a weird one that has me stumped. As mentioned above vehicle has been changed to a 5.0 TPI engine, from what i understand it has never passed smog since engine change due to EGR not working. I tested solenoid and its fine,everything is rout...
2006 Chevrolet W3500 5.2L idles VIN: J8BB4B1646
Need help on this one. I have very little info on this vehicle. I have a 2006 Chevy W3500 box truck with a 5.2 L Isuzu diesel that starts and runs perfect, however there is no response when depressing the throttle pedal (gas pedal)(press the pedal and nothing ... Trouble codes: P0091
2005 Chrysler Town & Country LX 3.8L battery draw VIN: 2D4GP44L65
I hope somebody has seen this before. This Caravan has battery draw on IOD circuit. The odd part is that it is a pulsing draw of .4 amp every 30 ms. I don't see anything flashing or on I beleive one of the modules is not going to sleep correctly. There are no ...
2005 Chrysler 300 C 5.7L all gauges VIN: 2C3AA63HX5
This vehicle appears to have an instrument cluster (CCN) glitch at times. Customer complaint is guages all drop to zero or minimum; speedometer, tachometer, fuel gauge, and temp gauge; and "ESP/BAS" lamp pops on and stays on. At times other warning lights will...
1994 Ford F-250 XL 7.3L engine VIN: 1FTHX26F7R
Has anyone had a 7.3 Power Stroke with a leak at the rear of the oil pan. We have had the pan off 2 times and used The Right Stuff gasket sealer to seal the pan and it always leaks off the rear of the pan around the rounded part of the rear bearing cap where i...
1998 Ford Taurus SE 3.0L 1-2 shift VIN: 1FAFP52U1W
Hi All, Ive got an AX4S in a 98 Taurus. When its cold, it never shifts from 1 to 2. Stays in 1 till you red line the tach. Even if you get it up to 30mph and let your foot off the gas for a moment, when you come back, its still in 1. The computer is commandi...
1999 Ford F-250 Super Duty XL 7.3L lacks power VIN: 1FTEF12X19
This powerstroke runs smooth, no smoke or misfiring. It just doesn't have the power that it should especially accelerating from a stop with a load. It appears the 15psi turbo boost is less than it should be (20+ psi)and it takes too long to build pressure. No ...
2005 Ford F-150 Lariat 5.4L Misfire, MIL Lamp on VIN: 1FTPX125X5
i do get a code for #8 misfire some times no other codes in koer koeo memory Trouble codes: P0307
2001 GMC Savana 3500 6.5L Poor Idle Quality, Surge, MIL Lamp on VIN: 1GTHG35F31
van came in running bad at idle poor accel.found lot of dirt in fuel tank.replaced tank new and new fuel pump and filter with little change in performance Trouble codes: P0219, P1218
1993 Lexus ES300 3.0L Misfire VIN: JT8VK13T1P
I need help on this one. Customer brought car in from another (shop). He took it in for a tune up for a miss. Upon checking the 3 plug wires on the front had been changed. Customer had parts. I completed the tune up of plugs and rear wires. After completion th...
1980 Mercedes-Benz 450SL 4.5L Excessive Emissions VIN: WDB1070441
Hello all, Does any body have the wiring diagram for this vehicle. I need to fix this "test only" vehicle for NOx failure. The frequency valve is inoperative and alldata only goes back to 1982 for a 380sl as the nearest match. Problem I am having is there i...
1991 Nissan Maxima GXE 3.0L Poor Idle Quality, Misfire VIN: JN1HJ01P1M
My son just bought thid 91 Maxima, 3.0l, bank (1) is dead, no change in rpm when pulling plug wires one by one, I have good spark to all (6) plugs, tried swapping plugs from right to left bank, no change. I have 175 psi compression in all cylinders, good injec...
2005 Nissan X-Trail LE 2.5L abs VIN: JN8BTO8V55
ABS code sets while applying brakes. Vehicle does not need to be moving, usually lots of pedal effort will illuminate light. Scanned vehicle using OTC Genysis ---no such vehicle. Entered vehicle as an XTerra to determine code. Verified by disconnecting pressur...
1999 Plymouth Grand Voyager 3.0L Stall VIN: 2P4GP2439X
Van came in with complaint of stalling...someone had previously installed a new IAC and spark plugs...cap, rotor, and wires were OEM, so we replaced those as well due to cap burn in. Van stalls when throttle is closed upon decelleration. Cleaned throttle bore,...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi TT 1.8L rear sun shade VIN: TRUTC28N72
The problem was due to a faulty central locking system contol unit not supplying ground to the relay. The customer elected to delay the repair at this time. Even though we did not recieve any responces iATN is still the best source of Tech support and we hope...
1987 BMW 535i 3.4L No Start VIN: BMW1987535
Problem solved. Ignition coil shorted to ground,which took out motronic unit and dme relay.replaced all and car starts and runs reliably now.Sometimes it takes a little longer to work through unusual problems like this one but in the end it all works itself ou...
1993 BMW 325is 2.5L Excessive Emissions VIN: WBABF4319P
Thanks for the replies on this one. The bulk of the replies said that the vehicle needed a factory catalytic convertor. Many also stated that oxygen sensors would quite possibly be the culprit. This vehicle was fixed by installing a BMW convertor. Thanks ...
2001 Buick Regal LS 3.8L security VIN: 2G4WB52K61
1995 Chevrolet Lumina LS 3.4L engine VIN: 2G1WN52X5S
Thanks for all the replies to get this leaker stopped. After I removed the intake manifold I realized the only real way of solving the leak is to remove the rear head as there is no way to get this oil pump drive out to properly install an oring on the housing...
2001 Chevrolet C3500HD 6.5L No Start, Stall VIN: 3GBKC34F21
Hi guys & Gals, thanks for the replies. Sorry I forgot to post that I had acall into a diesel pump/injetor rebuilder. Got a call back after several replies, he said code was a defienet give away. Remove intake to gain acssee to PMD. Removal was not to ba... Trouble codes: P1216.
2005 Chevrolet Silverado 1500 LS 5.3L blend door VIN: 2GCEC13TX5
The customer decided to not attempt any further work so we buttoned-up the dash and gave the vehicle back for the weekend. Sorry for the lack of info and thanks to all that replied to us, maybe we will have another attempt next week to fix the truck for him.
2001 Chrysler PT Cruiser 2.4L tcm VIN: 3C8FY4BB11
We were unable to locate anyone capable of repairing the module. Finally recieved a factory replacement after 3 weeks, Apparently an issue, and a run was made to cover current bac-orders...
1987 Dodge Ramcharger Royal SE 5.2L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy VIN: 3B4GW12T9H
Thanks everyone for their help. I have a better understanding of how this system works. It was an internal carburetor problem. After repeated attempts to repair this one were unsuccessful, I found a rebuilt non feedback unit that worked as was suggested by La...
2005 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3EL46R35
Being in a dealership, I am using 100% O.E. O2 sensors and catalytic converters. Fuel quality is an issue that is highly likely to be the problem, because it seems that this problem is not a national or regional concern. What I have done is the exact opposit... Trouble codes: P0430 (Catalytic 2/1 Converter Efficiency).
1984 Ford E-350 Econoline 7.5L No Start VIN: 1FDKE30LXE
After going over and over this vehicle, replaced coil with original unit and it runs. I doubt this was the real fix, however, and I continue to test for additional faults. Perhaps it was a misboxed part, or the real problem was repaired it he process. All r...
2002 Ford Explorer XLT 4.0L transfer case VIN: 1FMZU73E62
As all have stated-tire size makes a great impact on transfer case life. I have checked the tires here and like i mentioned they were fairly new. Customer stated they have replaced tires recently and the rear he thought were more worn than the front. He got sc...
1997 Jeep Wrangler Sport 4.0L No Start VIN: 1J4FY19S7V
Thank you for all the input, ECM has been replaced for several weeks now, no problems. Unit is used, so original is retained for possible rebuild at a later date. Thanks again for all of your help, it was professional and accurate, as usual. Trouble codes: P0341 (CMP sensor circuit problem), P0304 (Cylinder 4 misfire).
1997 Lincoln Continental Spinmaker Edition 4.6L Compressor VIN: 1LNLM97V6V
James [...] was able to send me the wiring diagrams and the pin point tests. The AC clutch is powered by the EATC through the AC cycling switch and then through the relay. The test that condemned the EATC was to turn the unit on to max ac and check for voltage...
2002 Nissan Xterra SE 3.3L alternator VIN: 5N1DD28TX2
Hello group, this xterra is fixed and i would like to thank Gregory, Alan, Mike, Kenneth and anyone else i may have missed for their time and effort. it ended up being just a bad reman alternator. one of the replies mentioned that the phrase quality aftermarke...
2001 Oldsmobile Alero GL 2.4L Misfire VIN: 1G3N152T71
Ok so the vehicle left yesterday after installing the fourth coil housing. I would like to thank all that responded to my problem. After replacing the first coil housing I found that the plugs came out kind of hard so since then I had been adding anti-sieze lu... Trouble codes: P0300 (random misfire).
2002 Pontiac Grand Prix GT 3.8L Stall VIN: 1G2WP52K42
thanks again for the replies. Customer drove car for about a week till they could bring it back and when i road tested while watching pids it stalled one time and the maf sensor went to zero. Replaced and customer has had car for 4 days with no complaints. t...
1999 Toyota Tacoma DLX 2.4L slips all gears VIN: 4TANL42N1X
Hello everyone and thanks for the help on this one. After alot of head scratching, and the input of 3 of you on this. I took the advice of one and put in a pump. I had the other junkyard unit sitting on the ground, so i pulled the pump out and plunked it i...
2001 Volkswagen Golf GL 2.0L MIL Lamp on VIN: 9BWBS61J31
well first of all I want to thank all of you who said to recheck the mass airflow sensor since this took care of my check engine light. Most of the replies suggested that this mass airflow sensors have a lot of problems and also to used OEM parts since what I ... Trouble codes: P0172 (rich condition).
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