|Prev||Professional Automotive Repair Technical Discussions for January 7, 2014
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Open Help Requests for GM
|2008 Buick LaCrosse CX 3.8L Heating VIN: 2G4WF58248
Vehicle continues to lose sufficient heat temp at idle and has long warm up times in the morning. No codes, manual heat controls and hot/cold changes with control knob.
|2004 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK23214
thanks in advance , this truck is a 2004 silverado with a 6.6l duramax. vehicle is a snow plow truck. customer was plowing with it with outside temps at -10f when it stalled. brought to shop and we were thinking fuel gel issues as the tank and lines were comp... Trouble codes: P0670
|2005 Chevrolet Colorado Z85 3.5L No Start VIN: 1GCDT19625
Truck intermittantly won't start. leave set and will then start. The B2960 is the code set. Will this cause a no-start? customer has tried both keys with no change. Couldn't find any bulletin on this. Any help appreciated. Trouble codes: B2960 (Key code incorrect but valid.)
|1999 GMC Jimmy SL 4.3L brake pedal VIN: 1GKDT13W3X
Greetings from Seattle! (Go Hawks!) The brake pedal on this Jimmy intermittently goes to the floor when coming to a slow stop, especially when turning. We have changed the master with two NEW units, flushed the brake system several times, disconnected front tw...
|1999 GMC K2500 Sierra SLE 6.5L Transmission VIN: 1GTGK29F7X
Hi. Truck was driven to shop in 1st gear with no shift. Batteries died before we could scan for codes so none were present. Pan had heavy shavings and burnt fluid. Installed used 4l80e trans. during road test tranny would only shift at 3500rpm all gears up to...
|2007 GMC Canyon WT 2.9L No Start VIN: 1GTCS14917
we have an intermittent no start caused by loss of class 2 data line from PCM to BCM,PCm not getting security-crank signal, also looses communications with SRS and ABS modules,lab scoped class 2 wires and no signal. all other modules will communicate at all ti... Trouble codes: U1000
Fixes & Summaries for GM
|1999 Chevrolet Express 2500 5.7L engine VIN: 1GCGG25R5X
a lot of you said the spider assy was the problem a lot said vacuum leaks no vacuum leaks what I think is the exhaust valve was pulling thru the seat or maybe a crack in the head but customer declined any more work didn't want to put and engine in it or even p...
|2007 Chevrolet Tahoe LTZ 5.3L Fast idle VIN: 1GNFK13077
thanks for the help on this Tahoe. I had cleaned the throttle body, but didn't realize that an idle relearn was needed. I relearned the idle with the scanner and all worked fine. I'm not sure why the vehicle lost power for them. Customer has had vehicle for a... Trouble codes: P0121 (Tps 1 performance), P2119 (Throttle closed position performance), P2135 (Not sure of definition).
|2008 Chevrolet Impala LS 3.5L Gauges, doors, ignition VIN: 2G1WB58K38
Ignition switch. It has been two weeks, and no problem with the car. I guess the communication codes were there because the BCM was not getting voltage from the switch. Thank you guys very much!!!
|1997 Oldsmobile 88 Royale 3.8L iginition lock cylinder VIN: 1G3HN52K3V
Thanks everyone, I went for traditional fix, new lock cylinder and new keys, works great. Thanks