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Prev Professional Automotive Repair Technical Discussions for October 5, 2010
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1990 Cadillac Seville 4.5L No Start, Wiring VIN: 1G6KS5333L
Hello all i have a big problem hopeing someone out there will help out like you always do. car came in no start after testing found hall switch to be bad. rec to customer to replace dist. job was oked. i have my son which is 18 in here trying to learn and help...
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1993 Chevrolet Camaro Z28 5.7L Hesitation, Cuts out, Misfire VIN: 2G1FP22P1P
Greetings fellow techs. I have this 93 Camaro Z28 giving me quite the run-around. Vehicle originally came in for an intermittent stumble off idle with lack of power and back firing through intake. Found ignition components worn and needing to be replaced, wate...
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1998 Chevrolet Astro 4.3L No Start VIN: 1GCDL19WB1
Vehicle will not start after setting overnight owner pumps throttle alot and it will start after 1 to 2 minites, problem is worse when the van is sitting with the front down hill slightly. Fuel pressure 60-65 psi good spark new fuel pump and fuel pressure reg...
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1999 Chevrolet Cavalier 2.2L Master Cylinder VIN: 3G1JC5247X
Inspected all 4 wheels. Lots of material on rear shoes; wheel cylinders ok. Replaced front brake pads / rotors and calipers[uneven wear each side]; cannot get fluid to rear wheels. No fluid coming out of abs controller lines. Does this sound like a master cyli...
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1999 Chevrolet Tahoe 5.7L fuel gauge VIN: 1GNEC13R6X
when ignition is turned on, the fuel gauge acts crazy, bounces past full, or completely around(360), apears to be acurate once it steadies down, we have tried a different inst, cluster and p,c,m, does not seem to be a problem in the tank as it wont do it if yo...
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2000 Chevrolet Cavalier 2.2L Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 3G1JC1245Y
Can't seem to get rid of this code. Replaced TPS, PCM, all three wires between TPS and PCM, and TPS pigtail. The traction control light will also come on sometimes. Trouble codes: P0122 (Low TPS)
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2001 Chevrolet Prizm 1.8L Hesitation VIN: 1Y1SK52871
this vehicle has me baffled. when the vehicle goes into closed loop operation the computer starts to pull fuel. it will pull fuel until the car is runnng so lean that it gives you a huge hesitation tip in under acceleration. if i disconnect the front o'2 senso...
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1998 GMC Jimmy Envoy 4.3L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1GKDT13W4W
this one is one of ours. it sat in the yard for a month or so when we got it, i looked at it and found the intake gasket pouring coolant out the front of the motor. i put a new gasket in it and i did a nice job putting all the parts from the kit in it and the...
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1999 Oldsmobile Alero GL 2.4L Parking brake VIN: 1G3NK52T8X
This is a 4 wheel disc with the internal parking brake shoes. The problem is the parking brake is out of adjustment. You can pull the handle all the way up and it barely puts any pressure on the wheels. I do not see any adjustment at the shoes themselves. The ...
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1998 Pontiac Firebird Trans Am 5.7L Power headlight motors VIN: 2G2FV22G1W
When you shut the headlights off the bucket go down but motors will continue running for approx. 15 seconds and then shut off. If you tap on the headlight control module while this happens the motors stop. I have replaced the module and the problem continues. ...
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2006 Saturn Ion-2 2.2L MIL Lamp on VIN: 1G8AJ55F96
I have this 06 ION2 that has a random SES light with code P0326 Knock Sensor Performance code. This code comes and goes seemingly at random. Replacement sensors (factory and aftermarket) have had no effect. AllData Pro shows possible loose/cracked accessory mo... Trouble codes: P0326 (Knock Sensor Performance)
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Fixes & Summaries for GM
Fix/Summary Answers
1984 Chevrolet Corvette 5.7L Odometer VIN: 1G1AY0788E
hi guys thanks for all your feed back, had checked all voltages down to a odometer motor had 3 used ones sent to me none worked. put original motor back in and it worked. moved all wiring hit the dash could not get it to quit. gave it back to customer a week a...
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2003 Chevrolet Silverado 2500 HD 6.0L Seal VIN: 1GCHK29U53
thanks for the info i purchased the tool and so far no leks thanks to th iatn network it has helpped alot
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2006 Chevrolet Corvette Z06 7.0L no ecm communication VIN: 1G1YY26E16
Dug into this one a little deeper after posting to find no power from BCM to allow power to ecm. Replaced BCM and all is well.
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