|Prev||Professional Automotive Repair Technical Discussions for January 8, 2013
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Open Help Requests for GM
|2002 Cadillac Escalade 6.0L Ebctm VIN: 1GYEK63N82
Hello GM gurus Originally this vehicle came for a "service stability system" indication with code P0286 and found that likely a MPA switch. Unable to get switch out without destroying. Replaced EBCTM with a preowned unit and now has code C0285 I can hear what...
|2007 Cadillac SRX 3.6L Unknown VIN: 1GYEE63797
Help GM Techs!! This SRX has a squeak from the front suspension when the vehicle dives when braking (normal braking). The vehicle will also make a smaller squeak after starting off from a stop (anything that makes the front suspension compress or expand). We h...
|2005 Chevrolet Silverado 2500 HD 6.6L Surge, MIL Lamp on VIN: 1GCHK23225
stomer came in while i was on vacation and another tech took a ride with him(he had a pretty heavy trailer hooked on). He said the vehicle had a major lack of power and would surge or almost miss going down the highway. the vehicle had a history code of P1093-... Trouble codes: P1093 (HISTORY Fuel Pressure Low During Power Enrichment)
|2011 Chevrolet Traverse LT 3.6L P/S Pum VIN: 1GNKRGED9B
Have a 2011 Traverse that has no power steering assist at idle or when braking to turn. When in park if you rev the motor assist returns and when in gear and you accelerate, assist returns. My thoughts are a P/S pump. I have read the help request database resu...
|2007 GMC Sierra 1500 WT 5.3L Starting VIN: 2GTEK13M87
Vehicle came in with dead battery. Customer had boosted truck then truck would not shut off.Multiple codes POO30 POO36 POO50 POO53 POO54 P1682. Check TSB for rubbed wire harness at front driveshaft and all was good.Followed diagnostic procedure for code P1682 ...
|1995 Pontiac Grand Am SE 2.3L Excessive Emissions, Misfire VIN: 1G2NE15D9S
replaced above items again and still has no spark from coil for # 2 cylinder, checked injector pulse, has pulse, supposed to fire 2+3 at the same time. what am I missing, very confused at this point Trouble codes: P0302
Fixes & Summaries for GM
|1992 Buick Park Avenue Ultra 3.8L Abs VIN: 1G4CU5319N
Thanks for all the helpful replies. Replaced both relays abs and pump and this cured and cleared the code. Never even crossed my mind that the relay contacts could be the fault. I'll have to remember that one. Thanks again for your help people.
|2006 Cadillac Escalade 6.0L Air Temp VIN: 1GYEC63N66
hello,found the problem to be the temp sensor unpluged over the drivers head.thanks for all the help.
|1994 Chevrolet K2500 7.4L Poor Idle Quality, Cuts out, Stall VIN: 1GCGK29N7R
The vehcial did come back I reset bace idle the, customer all so mentioned that the throdle was sticky i pluged off the IAC and daspod, adjused throdle stop screw. Trouble codes: 42 (EST problem).
|1996 Chevrolet Blazer 4.3L intake manifold
Thanks for so many replies. FYI the manifold is discontinued from the dealer. Dorman also discontinued the number but my parts guy had one in stock. It was $380 my cost, list is much more of course. I gave the customer the option of new or a confident epoxy f...
|2002 Chevrolet Silverado 1500 4.3L Abs VIN: 1GCEK14W22
Thankyou all who replied to my request.After changing the two front hub bearing assemblies the vehicle no longer has ABS activation right before coming to a complete stop.
|2006 Chevrolet HHR LT 2.2L Stall VIN: 3GNDA23D56
Some replies said possible bad throttle body and others said possible idle relearn. As far as the MAP code received replies saying to ck. vacuum to sensor and ck. for exhaust restrictions. Guess what? None of the above. No one even close. We worked long and ha...
|2005 GMC W4500 Forward W4S042 5.2L sart up VIN: J8DC4B1665
as it stands we sent the vehicle to a deisel mechanic as we do not have the equipment to test the fuel injection system. the shop tested th system and informed the customer to replace the fuel pump and rail assembly. the customer has not yet decided whether ...