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Prev Professional Automotive Repair Technical Discussions for February 26, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2005 Cadillac STS 3.6L No Start, Stall VIN: 1G6DW67735
This car has an interesting problem, intermittently while driving will lose ipc, radio, ip/acc lighting, exterior lights then ultimately engine shuts off. usually will turn on abs, stability, air bag, tpms and/or antitheft lights immediately before hand. it oc...
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2006 Cadillac CTS 2.8L Unknown VIN: 1G6DM57TX6
good morning tech i have this car came from a other shop the pcm was replaced codes p1629 and u1300 i replaced the theft module with 2 keys light come back on the vehicle start and runs any idea with both codes thank you guys
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1997 Chevrolet S10 LS 4.3L Combination Valve VIN: 1GCCS19X1V
Would like to have gm new. But no longer avalible..has anyone found aftermarket replacement or anyone who can rebuild these combo valve that bolt to abs assy?
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2003 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52EX3
Well I have stumbled with this one, we did a R&R intake manifold gaskets, per coolant leak inside the engine, put it together and have this high idle problem and MAF sensor code, undo the brake booster vacuum hose from the intake and idles down to normal, and ... Trouble codes: P102
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2006 Chevrolet Express 2500 4.8L high idle VIN: 1GCGG25V26
head scratcher here guys any help appreciated. My customer states that the idle goes really high on start up to point where he has to shut it of then restart truck. also states that the truck will idle high while driving like someone is accelerating it for him...
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2008 Chevrolet Uplander LS 3.9L no stat VIN: 1GNDU23108
The only thing that shows up is the check engine light gets a clicking sound from the relay on right panel fuse box light the car is complete dead the brake control module is is cost me a no cummnation with bcm now i have that unplug i can talk to that
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2011 Chevrolet Tahoe LT 5.3L unknown VIN: 1GNSKBE00B
I am trying to nail this squeak noise down that you can hear at parking lot speed or at a stop from the steering wheel. I tried the lower intermediate shaft yoke and a clock spring with no avail. I can't seem to get it. It is faint enough to the point if you t...
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1993 GMC K2500 Suburban SLE 7.4L transmission VIN: 1GKGK26N4P
Quirky one here. (students problem) Truck will not communicate with scanner KOEO. Will scan fine KOER. Will start out driving fine, watch all pids on scanner and roughly 15 minutes into drive, scanner loses communication (engine or trans access) and tranny goe...
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2005 GMC Canyon Z85 SL 3.5L battery VIN: 1GTDT19615
Have this Canyon with a parasitic draw problem. The draw is on fuse 34 (TBC) which feeds the BCM. Looking at the outputs on the BCM there is 1 turned on. The descriptor on the scan tool is "Inadvert Power Comd 1". I have looked at the prints on Alldata and can...
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2008 Saturn Outlook XR 3.6L wipers on washers on VIN: 5GZER33758
Car is from my dentist. She called & said her wipers come on and washers come on and stay on. hit a bump, sitting still, park, it doesn't matter when or where or how, just totally random. I did quick tsb etc etc search found the heater recall issue and this on...
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Fixes & Summaries for GM
Fix/Summary Answers
1998 Buick Skylark Custom 3.1L turn signals/ hazards VIN: 1G4NJ52M6W
OK all I am not giving up on this one. Gotten post all over the place. I did reread my post and sorry I ment to say cant find any shorted wires. This is the switch with the hazard switch in the multifunction switch not in the dash. Just to recap I have a flash...
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2002 Buick Rendezvous CX 3.4L No Start VIN: 3G5DA03E92
Thanks for all your responses. Bad wire into crank sensor. Trouble codes: P1189 (Oil sender circuit).
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1996 Chevrolet Blazer 4.3L belt VIN: 1GNDT13W0T
well i replaced the tensioner and put alittle bit of rtv under belt. quite for the time being.thanks for all the help jim
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1999 Chevrolet C3500 7.4L Misfire VIN: 1GBKC34J7X
Fuel pressure and volume good, I use a alternate fuel system or sorce. Put the truck back together with new fuel injectors due to spray patteren on 3 of them. It ran better put still not fix, it still wont go in to close loop.
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2007 Chevrolet HHR LS 2.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3GNDA13D27
thanks for the help(15 replies), we learned alot about crank sensor sinals and how important it is to check the correct years when exchangeing engines, trans and such. the customer has now decided we should put in a new jasper and is going to deal with the oth... Trouble codes: P0315, P0336.
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2008 Chevrolet Impala LT 3.5L Runs poorly VIN: 2G1WT58NX8
The car is now fixed. Thanks to all that gave suggestions. The fix was I put an aftermarket sensor in the car and it ended up being no good . Put in an sensor from the dealer and it fixed it.I learned my lesson and wont mess around with aftermarket sensors any...
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1967 Pontiac Tempest 5.3L transmission pang gasket VIN: 235697K102
Thanks for all of the replies from all the gear heads. I used one of the new rubber Fel-Pro gaskets, not cork, installed it dry, and torqued to 13 ft.lbs. That did the trick...no more leaky-leak.
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