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Prev Professional Automotive Repair Technical Discussions for November 24, 2010
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Open Help Requests for GM
Help Request Answers
1998 Buick Park Avenue Ultra 3.8L Unknown VIN: 1G4CU5210W
This car has an intermittant problem. Sometimes it will not start and the windows will not operate. Let the car set a while and everything works ok. All power and ground connections from the battery to the under hood fuse box appear to be ok. We are thinking t...
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1991 Chevrolet Corvette 5.7L No Start VIN: 1G1YY2380M
This car belongs to a friend of a friend, who has been working on it for a long time. A couple of monthes ago it failed to start, so they start checking it out and find chain jumped. Replaced that and no start. Mike checks things again, like fuel pressure, spa...
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1994 Chevrolet LLV 2.2L No Start VIN: 1GBCS104R2
Thanks in advance for any help, this vehicle will intermittently not restart after long periods of driving (cranks only) we have alot of history because we service this vehicle often. Iac has been cleaned and passages are clear. Fuel pressure relay and harness...
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2000 Chevrolet Express 2500 5.0L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCFG25M5Y
vehicle came in barely idling with definite rich smell, chugging exhaust output. does this all the time worsens as engine warms up. stalls when in gear especially on brakes. checked vacuum leaks, all parts listed were tried and or replaced. ohm'd harnesses inc... Trouble codes: P0300
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2001 Chevrolet Venture LS 3.4L Steering Pump VIN: 1GNDUO3E51
Hi fellow trench people. 2000 Chev Venture. 3400 engine. Power steering pump replacement.. There has to be a better way to get this pump out than using common sense. With the obvious stuff removed, how do I lift the pump out of it's hole. I have the tensioner...
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2004 Chevrolet Trailblazer LS 4.2L Flywheel VIN: 1GNDT13SX4
Dealership has replaced transmission twice before it came here. I replaced flywheel, they diagnosed it. When removing trans., bolts that went to oil pan were removed and part of the oilpan (ears)came off both sides. I showed cust. They took broken parts to dea...
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2004 Chevrolet Suburban 1500 LS 5.3L 4x4 VIN: 1GNFK16Z24
I am trying to find out if I can reprogram the transfer case control module with my snap on verus and my pass thru tool.I know that the module is programable but I can not find out if I need a tech2 or not.If anyone can help that would be great. Thanks
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2006 Chevrolet Colorado LS 2.8L Cuts out, Stall, Misfire VIN: 1GCCS14846
truck seemed to be flooded, replaced 4 spark plugs, starts and died, starts and died smokes real bad smells like deisel fuel, fuel presure ok, has missfire codes
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1998 GMC Savana 3500 6.5L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1GTHG35FXW
I got this van from the dealer. They said it needed a new injection pump. I gave the customer a estimate and had the pump rebuilt locally. The van does the same thing. It will start and run cold but once it warms up after 20 to 30 minutes it dies and won't r...
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Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet K2500 Silverado 5.7L Late Shift VIN: 1GCFK24K4K
i think i missed something in the job. i did take the pan off 3 times-1st time to check the pressure regulator line up and it was good, checked the set up and operation of the t/v valve relationship to the cable and it looked good. i still had high line pressu...
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1992 Chevrolet LLV 2.5L Poor Idle Quality, Surge VIN: 1GBCS10A2M
THANKS FOR THE ADVICE, THE FIX HOWEVER WAS THE 02 SENSOR THE VEHICLES SPEC WAS 12 PSI AND WE HAD 19PSI. THE CAR WOULD ALSO RUN WITH BOOSTER DISCONNECTED THIS IS WHAT THROUGH US OFF. WHEN WATCHING SCAN DATA WE FOUND 02 STAYED RICH AND WE SAW INJECTOR PW FLUCUA...
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1998 Chevrolet Blazer LS 4.3L battery VIN: 1GNCT18W8W
Still haven't found the problem, if the car sits overnight and I check the draw it is about 0.30 amp draw, so eventually it does come down to a safe level, but it takes at least 10-12 hours. Thanks for all the suggestions.. this one got me.
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2000 Chevrolet Cavalier 2.2L Headlights/DRL VIN: 1G1JF5244Y
Thanks for all the helpful input. Those of you who mentioned broken wires were absolutely right. It ended up being the low beam splice connection near the right side headlight bulb. Repaired wiring & everything worked fine. Thanks again for all the help.
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2001 Chevrolet Express 3500 5.7L Steering VIN: 1GCHG39R51
thanks for the replies. so far so good on the fix. replaced the pump again and flushed the fluid. used synthetic fluid again will see what happens. replaced brake lite switch and that helped with the click noise when braking. so thanks again
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2002 Chevrolet Silverado 1500 5.3L gauges VIN: 2GCEK19742
Sorry it took so long to close.I was researching the vehicle and the customer went on vacation on the day he was going to bring it in.Well I finally got to look at it after all the replies I got.All said to try a ignition switch,but after checking the fuses af...
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2003 Chevrolet Cavalier LS 2.2L battery/alternator VIN: 1G1JC53F43
first off i want to thank all who offered advise on this vehicle. i received alot of good input, but non hit the mark on this strange problem. double and triple checked everything related to the charging system and came up empty as to why this vehicle was not ...
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2003 Chevrolet S10 LS 2.2L Surge, Cuts out, MIL Lamp on VIN: 1GCCS19H93
hello everyone thank you for your input i requested the customer to leave the vehicle for a full day to due further inspections but cust has yet to return will save all information provided and thanks again Trouble codes: P0420 (Cat code), C0265 (Ebcm relay circuit).
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2006 Chevrolet Impala LT 3.9L abs VIN: 2G1WC58156
AS MOST OF YOU SAID, ABS/TRAC CONT. PROBLEM WAS RELATED TO A DTC SET IN THE PCM - FUEL SYSTEM LEAN -HOSE NOT CONNECTED TO AIR INLET HOSE BY THROTTLE BODY - CORRECTED THAT PROBLEM AND THE ABS/TRAC WARNING LIGHT CLEARED UP AS WELL. THANKS FOR THE HELP.
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2006 GMC Envoy SLT 4.2L block heater VIN: 1GKDT13S76
replaced block heater and cord . found cord was not plugged into heater all the way causing cord to arc , burt cord end and heater contachs . poor warrenty install ! thanks all.
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1997 Pontiac Grand Prix GT 3.8L keyless entry VIN: 1G2WP52K5V
Thanks for the help on the keyless entry problem. But this was one of those problem.s that drive use nuts. Being an old GM guy,rechecking the circuits over and over, I said it was time to punt.I installed an aftermarket keyless entry system and all is well. TH...
4
1999 Pontiac Grand Prix GT 3.8L maf VIN: 1G2WJ52M1X
Computer was a 3.8 pcm and the engine was a 3.1. Whoever changed the engine did not change the computer.
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