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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 26, 2009
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet S10 2.2L Poor Idle Quality, Misfire VIN: 1GCCS1442V
checked misfire and found #2 in current and #4 in history, has new plugs, comp test is 125 in each cyl. check cam and crank sensor signal output at sensor. spark advance stays at -50 all the time. repaired one bad ground at bellhousing bolt but did not fix pro... Trouble codes: P0300
2001 Chevrolet Venture LS 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1GNDX13E61
We Changed Ignition Module, Coil Packs, Ignition Wires, Spark Plugs, Evap Sensor, O2 Sensors, Exhaust From Motor Back, Mass Air Flow Sensor. Went For Test Drive Car Stalled While Driving, Hooked Up Scanner Had Codes For Mass Air Flow Circuit In Put Low , Air S...
1993 GMC K1500 Sierra SLE 5.7L no up shift VIN: 2GTEK19K7P
i just replaced tranny its a 4l60e, with a rebuilt tranny. made sure all electrical hookups are done. have scanned tranny and engine for codes, have no codes, electical componets for tranny seem to be working according to the scanner the truck worked fust fine...

Fixes & Summaries for GM
Fix/Summary Answers
2000 Buick LeSabre Limited 3.8L compressor VIN: 1G4HR54K1Y
I purchased a Four Seasons Compressor, it came filled with oil, so I drained its oil into a measuring cup to find it had more than five ounces of oil in its crankcase. Once the Four Seasons compressor was installed the nightmare finally came to an end! It ...
1987 Chevrolet Corvette 5.7L caliper VIN: 1G1YY3180H
we did check suspension, ball joints, swapped tires, replaced brake hoses 2x, calipers 2x, and after 2 weeks of torment, i can only assume abs hydraulic control unit is the culprit, however customer will not go for the 1700.00 part. i give up ! i want to tha...
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