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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 26, 2013
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Open Help Requests for GM
Help Request Answers
1984 Chevrolet C10 Scottsdale 5.0L MIL Lamp on VIN: 1GCEC14F7E
Ok Chevy/Dodge techs out there! We got a good one for you! This 1984 Chevy Pickup witch is an C30 3+3 4 door cab long bed cab that has been converted to an 2005 Dodge 12 valve cummins engine running gear, suspension, wiring harness, insturment cluster and then...
1994 Chevrolet Lumina Euro 3.1L 1-2 shift VIN: 2G1WN54T5R
car was driven on the expressway with no issues and shifting fine grand total of 126 miles when vehicle was slowed down to make a turn it shifted down normally no sounds or indications of a problem till accelerator was pushed to regain speed, engine rpms went ...
2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J8Y
I'm hoping someone has seen thid before. This Malibu came in with a p0440. Smoked system and found leaking vent valve. replaced it and it still failed the service bay test. Smoked system again thinking we missed something. No leaks found anywhere. replaced cap... Trouble codes: P0440
2000 Chevrolet Blazer LS 4.3L transmission VIN: 1GNDT13W1Y
Hello every one,I have this 2000 blazer that the 4 wheel would not engage in a snow storm,had to be pulled out a number of times during her mail route,it is a np233 transfer case first the lights would flash but would not go into 4 wheel got a code 2 flash cod...
2006 Chevrolet Equinox LS 3.4L No Start, Cranks/No start VIN: 2CNDL23F86
Customer brought to me a Equinox that has a problem starting intermittently. Vehicle starts great cold but when brought to operating temp you leave for 40min. to an hour sometime you return to a crank but no start condition. It may last for 3 ignition cycles o...
2007 Chevrolet HHR LT 2.2L Sol Control Valve VIN: 3GNDA23D47
12 volts at the Vent Control Solenoid (multi-meter). Will load test tomorrow to be positive on full circuit. But, a meter across the 2 terminals will yield 1.6v koeo. If I could get a full wiring diagram from underhood to solenoid, I will load test both circui...
2007 Chevrolet Silverado 1500 LTZ 6.0L Cylinder 1 Lifter VIN: 2GCEK19Y07
Vehicle came in for various driveability symptoms such as misfire at idle and under load, surge at idle, and check engine light on. Only DTC was P0300, random cylinder misfire. A check of the misfire counter and history showed some counts on all cylinders, but...
2003 Pontiac Sunfire SE 2.2L headlights VIN: 1G2JB12F13
hi hope someone has seen this before.car has no low beam headlight won't come one with switch.has high beam lights working.has power to bulb connector but won't light up bulbs good.tried new headlight switch still no low beam lights.thanks for any help i may r...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet K2500 Cheyenne 7.4L No Start, Cuts out, Stall VIN: 1GCGK24N0S
Thank you for all the replies.The problem was ignition switch.Check pick up coil with scope and was sending signal and resistance good to.Had module tested and tested good.When problem happened hooked up spark tester and had real weak spark.Noid tester on thro...
2009 Chevrolet Uplander LT 3.9L Sensors, Module VIN: 1GNDV33189
Amazing fact: no mater how much voltage you have when probing the 2 wheel speed sensor wires from the module. The important is that you have at least 3v when you probe the ref wire with the body. Also the continuity between the sensor and the module must be go...
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