× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 25, 2019
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2004 BMW 525i 2.5L smog monitors VIN: WBANA53534
hey guys, i got a 2004 530i that came in for a lean code about 2 months ago. customer failed smog for o2 monitor not ready. customer put about 1000k miles on it sens the lean code repair. so printed out the drive cycle procedure and gave to customer and st...
2007 BMW 328xi 3.0L Steering Column VIN: WBAWC33557
Car came in with steering column in lock mode. Battery was dead, when customer had it jumped, it would not come out of lock mode. Has symbol on instrument cluster of steering lock mode-see dealer. After talking with the local foreign car guru, he said this...
2011 Cadillac CTS Premium 3.6L Head Lights VIN: 1G6DL5ED3B
Greetings! I have this Cadillac with working Low Beam Head Lamps and Right ONLY High Beam. Equipped with HID Bulbs. I have NOT found a good discription of the operation of the High Beams. The Wiring schematics show the High Beam Relay controls High Beam So...
2001 Dodge Ram 3500 5.9L Runs after key off VIN: 2B5WB35Z41
This vehicle had no problems until installed a electronic battery isolater. I knew how to install but i didnt. I must of surged the alt because i isolated battery from alt. All dome lights burned out. Instrument cluster cooked and bad air bag module. When ...
2005 Dodge Dakota ST 3.7L MIL Lamp on VIN: 1D7HE28K95
There is no communication on can C. The only modules on c are PCM, ABS, and front control module. Checking at DLC #6 and ground and 14 and ground both have 2.5 volts. Checking with a lab scope there is no activity on buss. Tried disconnecting ABS, no ... Trouble codes: U0102, U0101
2007 Dodge Durango Limited 5.7L abs module VIN: 1D8HD58287
Hi every body, I have this durango that initially came, with air bag light, check engine light, abs, esp, and ALL other lights on, when scanned, found multiple codes related to lost communication with FCM, on most of the modules. ABS system showed C121C To...
2003 Honda Civic EX 1.7L Cuts out VIN: 1HGEM21973
This car will crank and run for a brief time and then cut out. You can hear the fuel pump relay click off. The check engine light comes on. You hear the engine change pitch once, then a second time, then it cuts off. I verified that the computer turns off ...
2011 Jeep Compass 2.4L Wont move. goes into limp mode. VIN: 1J4NF1FB5B
Vehicle came in with a limp in mode. First I pulled codes and I had the above codes. I next checked the fluid and it was a little low but not bad so i topped it off.The fluid did look o.k. I cleared the codes and went for a test drive. It slipped at first ...
1997 Land Rover Discovery SD 4.0L Excessive Emissions, Poor Idle Quality, Surge VIN: SALJY1249V
Land rover kicking my butt.Don't work on many of these,cranks loading up way to much fuel.Replaced mass air flow sensor,good fire,no injector leakdown,coolant sensor is good,pulled exhaust,i know i'm overlooking something but can't get finger on it.tried a...
2001 Mitsubishi Montero Sport Limited 3.5L cam VIN: JA4MT31R41
good day all. i did a bunch of work starting with coolant leak issues. replaced timing belt, water pump, intake and valve cover gaskets. when done engine fired right up ran for 30min in the shop then a 15 min test drive, ran like a top. when the customer c...
1996 Pontiac Grand Am GT 3.1L heat VIN: 1G2NW12M7T
Posted about this car 2 years ago-multiple theories as to cause of low\poor no heat. All controls-all HVAC doors appear to operate as designed. My question is why does the system draw outside air from the cowl in every mode except max ac? Drawing outside a...
2002 Volkswagen EuroVan GLS 2.8L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: WV2MB47092
Intermittently, if van sits several days (won't happen overnight), on start up, engine will die immediately, or will stay running but run very rough and misfire. It appears the intake cam is fully advanced at 51 degrees. We have found that if we do an outp... Trouble codes: P0011 (Bank 1 Camshaft over-advanced), P0118 (Coolant temp sensor done), P0322 (Crank sensor done)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2009 Audi A4 Quattro 2.0L Poor Idle Quality, Hesitation, Surge, Misfire, MIL Lamp on VIN: WAUVF78K79
We sure chased our tails on this one! The issue (suggested by almost every reply I received) indeed was the air leak (we were aware of) from the rear main oil seal which gradually worsened during the test drive. In my post I stated we used multiple scan tools... Trouble codes: 5658 (Fuel Press Sensor G247 Malfunction), P0301 (Misfire cyl 1), P0303 (Misfire cyl 3), P0302 (Misfire cyl 2), P0304 (Misfire cyl 4).
2015 Chevrolet Cruze LT 1.4L no crank VIN: 1G1PE5SB6F
all wiring was good, grounds are good, starter is good. checked circuit 1 5v reference the bad signal was going to the exhaust and intake cam sensors, fuel tank pressure sensor,turbo boost sensor and a/c pressure sensor. the a/c pressure sensor was shorted rep...
2007 Ford Escape XLT 3.0L dash, ext lights, etc VIN: 1FMCU93147
Most replies said the PCM controls the alternator. some said possible bad wiring, short, bad alt, or bad battery. After checking the wiring between the alternator and PCM and finding it OK I started looking at everything else I had already tested twice. It was...
2014 Ford Explorer XLT 3.5L touch screen VIN: 1FM5K8D8XE
I did a hard reset [short cables together] after disconnect for 10 minutes. This worked for about 1 day. He went to the stealer for a re-program, not heard from since. This is a regular cust. so safe to assume it's fixed.
2005 Jaguar Vanden Plas 4.2L Rear Height Control VIN: SAJWA82C55
Thank you to all who replied, and with the advise to look under rear seat we have found the problem. The connector was full of moisture and pins turning green. Cleaned, sealed, and rerouted connector above body insulation.
1998 Lexus LS400 4.0L shift solonoid c VIN: JT8BH28F6W
I wanted to wait a while before posting a fix. Its been a while and all is good. I believe it was a connector issue. I tightened the pins for all the solonoids and all good so far. Thanks again for the help.
2007 Mercedes-Benz C350 4Matic 3.5L MIL Lamp on VIN: 1WSF412541
replaced intake manifold.codes didnot return. before installing the new manifold i compared new to old and did not see ant diffance in operation in solenoids all worked levers,both intakes held vacuum with ports plug. also people were saying the check valves g... Trouble codes: P2004.
2012 Subaru Legacy 2.5i Premium 2.5L Excessive Emissions, MIL Lamp on VIN: 4S3BMBG64C
After a lot of testing I believe the ecu is shorting when it gets hot. Customer decided to trade the car in, So I guess I will never know for sure which will bother me. Thank you so much for all the helpful replys. I hate closing this without the exact answer. Trouble codes: P2097 (Post catalyst fuel trim system too rich bank 1).
2003 Toyota Highlander 3.0L No Start VIN: JTEHF21A73
We went the clone direction and it was successful. The info in the original PCM was not corrupted and the transfer went perfect. TP sensor code was self-induced by checking for the 5V from the PCM I forgot to plug it back in. The only other small thing we need... Trouble codes: P0120 (TP sensor circuit A malfunction), B2796 (No Communication Immobilizer).
2015 Toyota RAV4 LE 2.5L Brakes VIN: JTMBFREV1F
Morning, just happened to have a matching vehicle come in to shop. Did complete comparison, only difference could find was newer pads and rotors, put on all new pads and rotors,both vehicles stopped the same pedal travel the same.There is a displacement issue ...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next