Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 25, 2015
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
2007 BMW 328xi 3.0L No Start
Hey guys, looking for big time BMW techs on his one...ok so the background. The vehicle came in with a burning smell, required a valve cover gasket, no other issues at that time. We replaced the valve cover gasket & when we went to start the car it would crank...
2010 BMW 328i 3.0L No Start VIN: WBAPH5G52A
this car drove in fine, leaking valve cover, replaced valve cover gasket and now no crank no start. clear codes. 1st attempt crank codes return. I did remove the wire harness from the computer since it makes putting the valve cover on easier, I did turn the ac... Trouble codes: 2A9A, 2A9B
2011 BMW M3 4.0L pressure oil leak VIN: WBSDX9C58B
Hello IATN brothers; Got this E92 with a gross oil leak on the left front engine area , at the alternator .I have done a 650iL alternator bracket before , is this the same ? My Alldata does not cover this proceedure on this car.Can I suspend the engine and low...
2008 Cadillac DTS 4.6L MIL Lamp on VIN: 1G6KD57998
Car has a P0455 evap emissions large leak. Put in a new GM gas cap and canister vent solenoid but the code came back. Smoked it through the fuel filler and get plenty of smoke coming out of the vent hose cap which is tie strapped to the filler hose. Don't have... Trouble codes: P0455 (evap emissions large leak)
1997 Chevrolet K2500 Suburban LS 5.7L Cuts out, Misfire VIN: 3GNGK26R4V
Hello All. Got a customers vehicle that he came in asking for a exhaust leak repair and rear O2S replacement. Repaired his his exhaust leak at the converter flange before the post O2S and replaced the B1S2 sensor. Costumer has a complaint of rough idle and mis... Trouble codes: P0140 (Low O2S Activity B1S2), P0141 (O2 Heater Circuit B1S2), P0717 (No / low Input / Turbine Speed Sensor), P0730 (Incorrect Gear Ratio), P0751 (Shift Solenoid A Stuck Off), P0753
2001 Chevrolet Blazer LS 4.3L Misfire, erroneous missfire VIN: 1GNDT13W51
Have a blazer here putting me through the ringer. came in with a p0300 watched misfires and found tech 2 counting 3,6 missing customer had did his own spark plugs sprayed around with water and seemed to have started counting more. fuel trims and all other data... Trouble codes: P0300
2006 Chevrolet Malibu LS 2.2L No Start VIN: 1G1ZS51F96
2006 Chevrolet Malibu came in on a hook, cranks with no start. No trouble codes. Checked fuel pressure and found fuel pump not running. We replaced the fuel pump and filter and the car started and ran normally. 2 weeks later car returns with the same problem...
2006 Chevrolet W3500 Tiltmaster W3S042 5.2L No Start, Stall VIN: J8DB4B1626
when you go to start it will not start with cmp sensor plugged up unplug starts right and runs smooth while it running you plug up cmp stall engine another garage has replaced cmp sensor and crank sensor has anybody see this issue any help thanks Trouble codes: P0340, P0336
2012 Dodge Charger SE 5.7L Fuel gauge inaccurat VIN: 2C3CDXAT6C
Car was towed in as a no start. Found no fuel pressure. Both left and right pumps were replaced 3 months ago with Mopar parts. after diagnosis found no fuel in tank. Fuel gauge will not go lower than 2/3's of a tank. Any Ideas? Thanks!
2004 Ford F-550 Super Duty Lariat 6.0L Loses freon VIN: 1FDAF56P24
Now we have had 3 episodes of partial / complete loss of refrigerant in 2000 miles. We have dye in the system and see nothing with ultraviolet light. we can't see the evaporator. We evacuate the system and it holds vacuum for hours. We have replaced the servic...
2005 Ford Mustang GT 4.6L A/C Compressor VIN: 1ZVFT82H65
Thank you all for any suggestions... Replaced this compressor due to stripped clutch bolt threads in shaft. Installed new Denso compressor, accumulator and O-tube. Flushed the hell out of the system (was pretty clean to begin with). No hint of any obstructions...
2008 Ford F-150 FX4 5.4L Poor Idle Quality VIN: 1FTPW04538
Need help, this vehicle came in with a complaint of running bad, on initial roadtest it felt like a missfire from a stop.mode 6 showed # 2,3 and 8 has vlues but .245 value.spark plugs worn doesn't have any faults. We replaced the spark plugs with motorc...
2008 Ford Explorer XLT 4.0L reverse VIN: 1FMEU73E08
Customer brought in Explorer for a trans shifting problem. Complaining about rough upshift and harsh down shifts. Roadtested to confirm complaint and scanned for trouble codes.po765,p0768 and p1717 were the codes we gathered. Trans has been replaced. We droppe...
1998 GMC C3500 Sierra SL 7.4L a/c control head VIN: 1GTHC39J9W
Hello fellow Techs, hopefully some one out there has come across this problem before. Customer came in with the a/c not working, blower works, the a/c button was not lighting up. Checked fuses, removed head and checked for power and grounds to the unit. All we...
1992 Honda Prelude Si 2.3L No Start VIN: JHMBB2167N
Hello to all , this one has no power from main relay to fuel pump. All power and grounds to turn on this relay are there, fuel pump will run if jumped. So replaced relay and still no power to pump! Triple checked inputs and outputs to relay, it shows still a r...
2003 Jaguar S-Type 4.2L MIL Lamp on VIN: SAJEA01U23
Fault codes (p0171, P0174) return no matter what I seem to replace. Clear codes and they come back before you get out the door along with restricted performance. Have Autologic and they keep telling me vacuum leaks. Smoke tested intake and sprayed with some ca... Trouble codes: P0171, P0174
2001 Jeep Grand Cherokee Laredo 4.7L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1J4GW48N21
check voltage at tps foun 5.7v held cruise control button down volts droped to 2.0v replaced clock spring cleared dtc light came back on with p0123 tested red/light blue wire from clock spring to pcm .4 ohm. tested red/orange wire from tps to pcm .1 ohms littl... Trouble codes: P0123 (tps high voltage)
1998 Lexus ES300 3.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: JT8BF28G4W
Veh arrived with po302 and p0305 in pcm, misfire was evident, particularly in cylinder 5. tech changed out plug and coil, and wire, misfire did not move. tech checked compression, about 215 and fairly equal in all cylinders. Put it all back together and rechec... Trouble codes: P0305 (Misfire number 5 intermittent)
2000 Lexus RX300 3.0L passenger front power window VIN: JT6HF10UXY
Thank you in advance for your time and efforts to help. Vehicle came in with a complaint of the passenger power window not operating properly. It will intermittently quit working while trying to go up after hitting the auto down function and trying to stop the...
2007 Mercedes-Benz R350 4Matic 3.5L Mechanical VIN: 4JGCB65E27
the car turns off as soon as you put the car on drive or reverse , with a big shock , the transmission is fine valve body is good , and got the torque convertor rebuild twice
2008 Mercury Mariner Hybrid 2.3L Cuts out, MIL Lamp on, L o s VIN: 4M2CU29HX8
Vehicle came in noisy and leaking. Found engine block "ventilated". Installed used engine upon customer's request. Test drive after completion and red warning triangle comes on and sets P1A0C at appx 35 mph. Verified throttle body clean, latest PCM calibration... Trouble codes: P1A0C
2013 Ram 1500 SLT 5.7L Fuel gauge VIN: 1C6RR6GP1D
I need wiring diagram for fuel gauge circuit and connector pin outs. I have Michael to 2014 but it does not have diagrams for this 2013 Ram. Diagram for 2012 does not seem to match this truck. Wire color at the tank is correct, but diagram says circuits go to ...
2002 Saturn LW300 3.0L MIL Lamp on, communication VIN: 1G8JW84R82
scan test with tech 2 code u2106 in pcm and bcm. cannot commun icate with tcm. followed diagnosis in aldata, power and grounds at tcm good,comm wires twisted pair tan w black stripe and tan wire good to water staines on tcm or bcm both mounted in cowl r... Trouble codes: U2106
2005 Subaru Legacy i 2.5L Excessive Emissions, No Start, Poor Idle Quality, Stall, Misfire VIN: 4S3BL61645
low idle, sulfer smell, rough running. no codes. changed maf sensor and ran great for about 30 min. map reads 20inhg manual check of vacuum and get 8-10inhg. when running good map reads 8inhg when running bad reads 20inhg. changed maf twice, both times ran gre...
2005 Toyota 4Runner Limited 4.7L MIL Lamp on VIN: JTEBT17R75
Hi, all. This 4Runner came in with P1445 code set which is for a stuck closed switching valve #2 on bank 2. We replaced both #2 valves and it still sets the same code. Here is what I have done so far- tested both VSV and both work as the should. Jumped B+ to ... Trouble codes: P1445 (Sec. Air Injection System Switching Valve No. 2 stuck closed Bank 2)
2006 Toyota Highlander Hybrid 3.3L brake pedal, ABS moduel VIN: JTEEW21A86
The brake pedal has a slight pulsation at a stop or in park, do not have to take foot off pedal just slight up and down motion, the ABS module goes on and off at the same time, can feel and here the module in sync with brake pulsation. No codes, no variation w...
2000 Volkswagen Jetta GLS 2.0L 3-Od(4) VIN: 3VWSA29MXY
Hello all, i have this vw jetta (base). customer wants the vehicle in as good a shape as possible for college.I test drove it and realized it was not shifting into OD(4), i have shifted it from D to 3rd and noticed it is always in 3rd. no tsb's that i can find...
2004 Volkswagen Jetta GLS 1.8L Unknown VIN: 3VWSE69MX4
This Jetta came in with a complaint of erratic shifting and won't shift into 5th gear. I scanned the ETC module and have a code 00281 Vehicle Speed Sensor G68 No signal. I cleared this code and drove the car and the speedometer won't work and it won't shift fo...
2013 Volkswagen Beetle 2.5L Wiper control module VIN: 3VWFP7AT5D
Thank you, Each man who offers their time and talent to assist us all. This is a 2013 Newer Beetle. I have Vagcom - and have ran the full update. Both Computer Software for latest version and Firmware update. The auto check for all modules shows no stored fau...
2006 Volvo XC90 2.5T 2.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: YV4CZ59296
So this is the second Volvo we have seen with this problem. Misfire cyl 3 and the spark plug is beaten up. Valves get bent. Both times it was cyl 3, probably a coincidence. But anyways here is the cause! PVC check valve banjo bolt in the bottom of the intake c... Trouble codes: P0303 (Cyl 3 misfire)
2013 Volvo XC60 3.2 3.2L Rear Windows and Audiable notification VIN: YV4940DZ9D
Customer states battery went dead due to a light left on.Now only the rear windows and the Audible notification do not work. The box is checked on the menu screen for audible notification and rear window lock out is off..Any one seen this?? Is it ok to do a ha...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Acura TL 3.2L Engine VIN: 19UUA662X4
Every one had the right answer. The mounts were not oe causing the vibration change front and rear mounts made sure to rock the engine and let run before tighten then. Now all is good. Thank guys
2010 Audi A5 Quattro Cabriolet 2.0L MIL Lamp on VIN: WAUWFAFH8A
So here we are, with the likelihood that it needs a turbo, add to that the high oil consumption (not from the turbo) which would require substantial $$$, the client has declined further investigation and will live with it for the summer and trade it in the fal... Trouble codes: P0299.
2008 BMW M5 5.0L Transmission gear selection VIN: WBSNB93548
Well, another surprise but this one will be fixed shortly. We pulled the trans again and removed the SMG unit to replace it. For comfort we check the trans itself and found that one of the gears was jammed and the shift fork was broken off the shaft. Likely...
2003 Cadillac Seville STS 4.6L Service Stability System Message VIN: 1G6KY54913
Thank you all for the replies and sorry for the delay in closing. We have found that either the system is not able to be by passed on this vehicle(suggested by more than one person) or there is another problem with the module. Client opted to take vehicle and ...
2009 Chevrolet Silverado 1500 WT 4.8L Poor Idle Quality, Cuts out, Stall VIN: 3GCEK13C19
Thanks to all who replied. Finally got it to act up to where I could run some test. 5 volt reference was only at 2.63 volt when acting up and Jamie nailed it. It was the fuel tank pressure sensor. Changed it and all is well. The hardest part was getting it to ... Trouble codes: P0641 (5 Volt reference 1 circuit).
2009 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT57K39
many of you were telling me wiring problem and to run new wires. well I don't really like to do that so I completely opened up the wiring harness under the hood and behold there it was. A wiring repair on light blue wire for app sig 2 and it was butt-connected... Trouble codes: P2138 (app sensor 1-2 corralation).
2010 Chevrolet Impala LT 3.5L Right Rear VIN: 2G1WB5EN8A
thanks to all who helped out on this ended up being the left front harness connector.i was showing no signal on my ohmmeter while spinning the wheel,but as soon as I touched the connector at the wheel end,my meter started chirping!instead of trying to m...
2005 Chrysler Town & Country 3.3L Fit & Finish
Thanks to all who replied. Great ideas. I did tape off the plastic cowl at the windsheild and that stopped the leak. I found that it would go under cowl and roll off of metal inside of normal drain channel and fill up enough to come into fresh air intake. repl...
1999 Dodge Durango SLT 3.9L abs VIN: 1B4HS28X7X
well I never did find a correct diagram for the truck and I looked 2 years before and after. but I did fix the truck, the problem was the abs module was setting code 65 open power relay which is internal to the module. what I did was cut the module open to ins...
2003 Ford Mustang GT 4.6L No Start, Stall, MIL Lamp on VIN: 1FAFP45X33
vechile had low compression on cylinder 3 and 7 60 psi remove timing cover and marks where off 2 degrees thank fellow techs for the help Trouble codes: P0340.
2004 Ford F-350 Super Duty XL 6.0L Hesitation VIN: 1FDWX37P44
Vehicle fixed it was the throttle plate in the intake elbow, I removed just the plate and truck runs fine, thanks to all that replied, not anything I would have thought of. Jurgen Trouble codes: P0603.
2007 Ford Mustang GT 4.6L Hesitation, MIL Lamp on VIN: 1ZVHT82H77
This vehicle is not a confirmed fix as the customer did not want to go any further for the time being. I would like to thank everyone for there help and I was able to narrow the problems down but cannot confirm unfortunately. All my tests that I have done are ... Trouble codes: P0340 (Camshaft Position Sensor A Circuit Bank 1 or single sensor), P0344 (Camshaft Position Sensor A Circuit Intermittent Bank 1 or single sensor), P0345 (Camshaft Position Sensor A Circuit Bank 2).
2008 Ford F-350 Super Duty XL 6.4L MIL Lamp on VIN: 1FDSW35R68
This was a one time unusual problem. Basically there was no communications between several modules at any one time, but at last it was confined to the rcm and pcm.However, there was not a starting or running issue, just communication with the pcm, so I figured... Trouble codes: P1832, 4X4, U0732, U1552, U1002, U1516.
2003 GMC Yukon Denali 6.0L Ride Control VIN: 1GKEK63U13
Hello everyone and thanks for the help on this one. I was incorrect, that is not a solenoid mounted on top of the front shock, that is just the electrical connector. The solend etc is built into the shock. These shocks should click randomly but very quiet...
1994 Lexus LS400 4.0L Stalls, NO power VIN: JT8VF11E2R
Hello everyone and thanks for the help with this one. As most advised, the ECM was junk. The 1993 and 94 ECM's appear to have been problematic. I went down to the pick your part junkyard and found one that appeared to have been rebuild. I put the ECM in an...
2000 Nissan Altima GLE 2.4L hvac VIN: 1N4DL01A3Y
first of all i apologies to all for not posting gauge readings at idle and at high rpm. all this time i was under the impression that it was an electrical problem. i had great response and to all i give you this conclusion. customer does not want to approve ...
2005 Nissan Sentra 1.8L No Start VIN: 3N1CB51D65
Fuel pump was slow building pressure on hot soak start up but still maintained proper pressure when running. Replace pump and all is well thanks for all the help
2003 Toyota 4Runner Limited 4.0L Drain VIN: JTEZU17R03
Customer decided to take it to the dealer and as of this time, the vehicle has still not been fixed. when we hear what fixed it I will post. Thanks for all the inputs guys.
2009 Toyota Camry Hybrid 2.4L No Start VIN: 4T1BB46K29
thanks you for taking the time to reply, unfortunately customer has decided to tow vehicle away because it is a taxi and they need it fixed right away... Trouble codes: P0A7A, C1259.
2007 Volkswagen Jetta 2.5 2.5L No Start VIN: 3VWGG71K27
2004 Volvo S40 LSE 1.9L atcm VIN: YV1VS27564
We were unable to scan the trans .The customer took it to Volvo for a diagnosis. According to the customer it had to do with valve body. I thought for sure they would try to sell him a transmission. It is fixed!
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next