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Prev Professional Automotive Repair Technical Discussions for October 6, 2011
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
2000 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52JXY
hello everyone. this car came in with code p0440. so i grabbed the smoker ,hooked it up and found the gas cap leaking. i also noted that the vent valve did not seem to close all the way when i unhooked it and gave it power . so i replaced both. car has come ba... Trouble codes: P0440
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2000 Cadillac DeVille 4.6L No Oil Pressure VIN: 1G6KD54YXY
Hi: After replacing the alternator and draining the engine oil, replacing the filter and installing 5 quarts we have no oil pressure. The drain plug was out for no more than 15 minutes.After running the engine for about 15 seconds, the engine was stopped. We t...
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2006 Cadillac STS 3.6L Starting VIN: 1G6DW67706
Hi i have a 06 cadi sts it has the push botton starting system on it.the car was wrecked in the front a little over a year ago and was towed to the owners house where he installed a front pass side strut and wheel. The car would not start after that. Well now ...
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1982 Chevrolet Corvette 5.7L Stall, Misfire, MIL Lamp on VIN: 1G1AY8785C
this is second time i had this car. customer is always in a hurry. this time told him i call him don't call me. when this cam in checkeck all items that haS been changed only thing i didn't really like was dist. it is a cheap one. so i change ign. module and c... Trouble codes: 42 (est)
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2001 Chevrolet Impala 3.4L Starting System VIN: 1J23H43455
This car will not crank. THe factory radio has been removed. From testing I know that the PCM is not grounding the Crank Relay. What I dont know is why. The security light does not flash, but stays on (cycling with the battery light, change oil soon, wiper flu...
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2003 Chevrolet Silverado 2500 HD 6.0L Coils VIN: 1GCHC24U43
Truck came in with no start and no cluster operation problem. Removed the cluster from dash, tap it and it came on so i figured connection loose. I got fuel pressure and injector pulse but i do not have coil pulse there is no signal coming from pcm. I install ...
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2004 Chevrolet Silverado 2500 HD 6.6L Fuel leak VIN: 1GCHK24134
Truck came to me on a chain with complaint of fuel leak and no start. This is my first gm/izuzu in the shop. First i tried to start with no luck and no start. Then pumped the fuel primer and truck will start and run for a couple of seconds and dies. Then when ...
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2006 Chevrolet Impala LT 3.5L MIL Lamp on VIN: 2G1WT55K06
Vehicle sets rich code...ho2s switching properly...map sensor has good reading...maf is okay...vehicle doesnt appear to actually be rich but the ltft stays -25 check engine light comes on and disables traction control...does anyone know of a flash or something... Trouble codes: P0172 (System rich)
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2004 GMC Envoy SLE 4.2L Hesitation VIN: 1GKDS13S44
Hello IATN compadres...I don't post many help requests but this Envoy is kicking my hiney... This vehicle was driven in by customer. The primary complaint was now power under acceleration and it boggs really bad (customers words). We test drove and confirmed ...
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1996 Pontiac Sunfire SE 2.2L MIL Lamp on VIN: 1G2JB1246T
I am not very familiar with this system. My Mitchell information told me to actuate the canister purge and vent solenoids to see if they clicked. The vent solenoid located under the right front fender works but the purge solenoid which Mitchell says is located... Trouble codes: P0440 (Evap system)
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2003 Pontiac Grand Prix GTP 3.8L Ebcm VIN: 1G2WR52163
GENTLEMEN, I have a nightmare of an electrical problem. ABS light is on and code CO244 AND CO550 APPEAR. No driveability issues. traction off indicator is also on. obviously related to the trouble codes. i believe it is a short to ground but i cannot find the ...
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Fixes & Summaries for GM
Fix/Summary Answers
1978 Chevrolet K20 Scottsdale 5.7L cruise control VIN: 248J502852
Thank you for all the replies. My parts guy bought a Rostra universal kit with the driveline magnets. Customer is coming in next week to have it put on.
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1991 Chevrolet Camaro Z28 5.0L Cuts out, Stall, no power VIN: 1G1FP23F2M
WE INSTALLED NEW PUMP AND IT IS DOING GOOD, WE DID FIND A FUSE TO THE PUMP BY THE BATTERY, NOT IN A FUSE BOX BUT IN IT'S OWN HOLDER, AND FUSE DID HAVE LOOSE CONNECTION. WE TIGHTENED THAT UP AND VOLTAGE AT BATTERY IS 13.7, AND AT FUEL PUMP VOLTAGE IS 13.2. CUST...
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2002 Chevrolet Avalanche 1500 5.3L Temp VIN: 3GNEK13T52
FIRST THANKS TO ALL FOR HELP.I REPLACED TO WIRES FROM CONTROLER TO MOTOR.ONE WAS LIGHT BLUE AND OTHER DARK BLUE.JUST TO RULE THEM OUT AND RELEARN SYSTEM HAS YOU SAID BY DISCONECTING BATTERY AND TOUCH TOGETHER.AND WAIT FOR A MIN.NOW SYSTEM WORKS FINE.
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2007 Chevrolet Impala SS 5.3L Battery VIN: 2G1WD58C17
Thanks to all that replied. I knew 160-170ma was to high but now I am sure that the draw needs to be under 50ma. I thought that under 50ma was right but with so many conflicting answers over the years it was hard to be sure. Turns out that the onstar was ca...
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2001 GMC Yukon Denali 6.0L Poor Idle Quality, Hesitation VIN: 1GKEK63U11
Hello everyone, I would like to say that a lot of people were right on this issue, after replacing the pedal assembly with a dealer item, and of course, also replacing the TAC module we now have a functioning vehicle. I road-tested the vehicle close to 50 mil... Trouble codes: P1125 (p1286-), P1286.
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2007 GMC Yukon Denali 6.2L Engine Mounts VIN: 1GKFK66847
Sorry for the delay closing this post. Not to bad of a job. Do not take out the front axles or remove the front diff. Do not remove power steering pump, ac compressor and bracket as per mitchell. Remove both exhaust manifolds to gain access to the two top bolt...
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