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Prev Professional Automotive Repair Technical Discussions for December 23, 2010
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Open Help Requests for GM
Help Request Answers
2008 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DR57V78
Happy holidays, We have this caddy that very intermittenly sets the code p2097, We have tryed to get this car to set this code on us, but no luck. At times will take a week to come back, have monitered all data on road and no other codes set, fuel trim bank 1 ... Trouble codes: P2097
1996 Chevrolet C1500 5.7L Misfire, MIL Lamp on VIN: 2GCEC19R3T
howdy all, 96 5.7r engine giving me some trouble,must be missing something obvious, its missfiring at idle, not as bad off idle, but still slightly there, customer had plugs, cap, rotor and wires replaced at another shop, everything with intall looks good, sca... Trouble codes: P0300
1998 Chevrolet P30 7.4L Poor Idle Quality VIN: 1GBMP37B9W
hello I have a 1998 chevy 7.4 fuel injected with allison 545 has a banks power pak headers and air filter no electronics modified. this is in a class A motor home. intermittent power loss. when driving i can step on the accelerator quickly to wot it performs w... Trouble codes: P0131, P0151
1999 Chevrolet C3500 5.7L Hesitation, Cuts out VIN: 1GBJC34R0X
This vehicle was towed in as the customer thought the transmission was slipping. We checked the truck out and found that the catalytic converter had excessive back pressure. After replacing the catalytic converter the truck was road driven and it drove better...
2000 Chevrolet K2500 LS 5.7L hard start VIN: 1GCGK24U3Y
customer came in about 1 year ago for same problem. at times in the morning it would take a couple of crank attemps to start the truck. after it started, who knows when it would do it again. i check fuel pressure and everything was ok. cleaned throttle body an...
2000 Chevrolet Suburban 1500 LS 5.3L Transfer Case Module VIN: 3GNFK16T7Y
Module lasted four days. I have checked all wires again and again. been through every ground from one end to the other. Atc fuse has not blown. Back where I started. I need all the help i can get.
2000 Chevrolet Silverado 1500 4.3L No Start VIN: 1GCEC14W4Y
engine died cruising highway speed. fuel pressure 55-56 psi, spark to all cyls using inductive timing light. cranking rpms ok on solus scanner. no injector pulse on scanner or at pcm or injector harness using lab scope (i doublechecked lab scope for inj. pulse...
2002 Chevrolet Silverado 1500 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 2GCEK19T72
This vehicle has a terrible miss upon cold start below 45 degrees. It will miss,load up,stall and run terrible til it is warmed up. Looking at the misfire counter it shows all cylinders missing until it gets to operating temp. This truck has done this for the ... Trouble codes: P0106, P0171, P0172, P0300, P0440, P0507
2004 Chevrolet Tahoe LS 5.3L Unknown VIN: 1GNEK13T74
hi to all and happy holidays i have a taho with a intermitent noise in the front end it sounds like a wheel bearing but it only makes the noise for a few minutes just wondering if anyone has ran into this before thank in advance jeff
2005 Chevrolet Silverado 2500 HD LT 6.6L Poor Idle Quality, Cuts out, Stall VIN: 1GCHK23265
i have tested all fuel lines i can get to, if you prime the system by the hand pump it will start, but die after 5-[...]. sounds like its runnning out of fuel.. plz help
2007 Chevrolet Equinox LT 3.4L gauges,door locks,lighting,traction control VIN: 2CNDL73F47
Trying to Program New BCM using Tech 2 download keeps failing ,have tryed as replacement and reprogram , tried using pass thru and remote. Have part # of new BCM [...] which both Dealers in town say is current replacement #. I am able to reprogram old/bad ...
2000 GMC Sierra 1500 SLE 5.3L Hesitation, Surge, Cuts out, Stall VIN: 2GTEK19T3Y
Hesitation, stumble on accel when everytime you start out with vehicle in open loop
2005 GMC C6500 Topkick C6C042 8.1L No Start VIN: 1GDG5C1EX5
no start at begining of job applied starting fluid and engine started. same result when side mounted fuel tank hit with dead blow hammer,engine would start. replaced fuel pump and engine would not start .checked at injector and have no pulse but still have goo...
2001 Oldsmobile Alero GL 3.4L Cooling Fans VIN: 1G3NL52E71
This car came into shop for a simple service and complaint of heater not warming up now that the temp is dropped below freezing. Suspected therm or heater core pluged, wrong. After inspecting car was 3/4 gal low on antifreeze, filled and same thing. Has code s...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Chevrolet Express 3500 5.7L Misfire VIN: 1GAHG39R12
2000 GMC Jimmy SLT 4.3L Transfere Case VIN: 1GKDT13W0Y
Due to the amount of replies saying encoder motors going bad and a used part was only $50.00 I replaced the motor and all works properly. Thanks to all those who replied, greatly appreciated.
2001 Pontiac Aztek 3.4L Mechanical VIN: 3G7DB03E81
thanks for all the replies the transmission was bad thanks to all
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