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Prev Professional Automotive Repair Technical Discussions for November 19, 2013
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Open Help Requests for GM
Help Request Answers
1994 Buick LeSabre Custom 3.8L Surge, Cuts out, Stall VIN: 1G4HP52L9R
Well let me start by telling you guys the normal, car has been to many shops before stopping here. Dealer replaced ignition module and computer down the road, next shop after makret cam sensor ,next shop aftermarket crank sensor, now i have checked wiring from... Trouble codes: P0341 (Cam crank corolation), P1361 (Ignition not tggling)
2003 Buick Century Custom 3.1L instrument cluster VIN: 2G4WS52J93
We installed a kill wire.We cut the purple wire to starter and basically put a switch in between. The switch works great but now we dont have any gauges on the instrument cluster. We unplug the instrument cluster and plug it back in and the cluster works till ...
2001 Chevrolet Silverado 2500 HD 6.6L engine temp VIN: 1GCHK23141
Cust opted to drive it as it at least gets to 1/4 scale (@ 180)---this is consistent operating temp all the time--summer or winter, just takes longer to get there during the winter & may be slightly cooler! But its too cool in the winter & he would like better...
2006 Chevrolet Equinox LS 3.4L MIL Lamp on VIN: 2CNDL13F26
O.k. Here we go. Vehicle cam in overheating/ blown head gasket.remove heads set to machine shop for repairs ,reinstall heads , new bolts and gaskets, torque to yield with new snap on wrench, test drive all is well . Five days later customer calls with check en... Trouble codes: P0171 (Lean)
2003 GMC Yukon SLE 4.8L Poor Idle Quality, Stall VIN: 1GKEK13V43
Hello everyone! Got this fantastic Yukon here that will stall as long as the accelerator isn't depressed...scanner shows the desired idle to be around 575 RPMs, which is low. Everything else checks out ok. IAC, MAP, MAF, etc. No DTCs current, in history, or pe...
2007 GMC Envoy SLE 4.2L Engine VIN: 1GKDT13S77
I have this Envoy here that has what sounds like a lifter tick when cold. Another tech has checked oil pressure and it is within spec. The oil has been changed using 10w30 and an ACDELCO oil filter. This is the point where it gets handed to me to deal with. I'...
2005 Pontiac Grand Prix GT 3.8L turn signals rear VIN: 2G2WS52255
We have no turn signals at rear of car only in the front.Brake lights work some times.Blinker blinks light a bulb is out.When hazard switch is pushed the front blinks normal still no rear.So we replaced turn signal switch.No different in blinker.Any help would...
2002 Saturn L200 2.2L Engine VIN: 1G8JU54F52
Thanks in advance for all the help.My name is John from John`s Automotive in Garden City,MI.I have an 2002 Saturn L200 2.2l w/ a bad motor...I also have a 2004 Pontiac Sunfire with a 2.2l with a good motor (low miles).Both are F motors.My question is,will the ...

Fixes & Summaries for GM
Fix/Summary Answers
2008 Cadillac DTS 4.6L Headlamps VIN: 1G6KD57Y38
Ordered aftermarket plug-in replacements "direct fit" from Keystone Automotive. Worked great for one day and my D-side HID bulb committed suicide by burning up. Have a warranty one on it's way. You just have to love aftermarket oversea's parts.
2007 Chevrolet Impala LT 3.9L bcm
Well this one is fixed and was a lesson learned. I bought a new BCM from GM and had a local dealer reprogram it. As a matter of fact I pulled out the bad one and left the new one on the seat for the dealer to install. For those of you who added your input I do...
1998 GMC Jimmy Envoy 4.3L PWM TCC Solenoid VIN: 1GKDT13W5W
Well, after completing every test I could, I dropped trans pan to see if by some strange reason there might be a short at the internal harness. But alas, all was well there also. Pulled the PWM TCC solenoid to bench test cold & hot. Checked out fine but since ...
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