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Professional Automotive Repair Technical Discussions for July 27, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2001 Buick Century Custom 3.1L Surge, Cuts out VIN: 2G4WS52J91 customer complaint of missfire bucking between 5o to 65 mph at cruise speed light throttle only.has had catylitic converter replaced,plugs & wires ,coils ignition module,egr valve,mass air,both crank sensor.tried it with cam sensor,tps,map unplugged no change.... |
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| 2005 Chevrolet Cobalt 2.2L a/c VIN: 1G1AK52F05 Ok little help here, 2005 chevy cobalt will leak all its evaporator water into front passenger floor area. Cleaned out drain on fire wall multiple times with coat hanger and compressed air nothing seems to be plugged but on long trip with a/c on passenger floo... |
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| 2006 Chevrolet Equinox LT 3.4L sunroof VIN: 2CND173F86 when fully closed the glass and weatherstrip are still 1/4 below roof line allowing to much water intrusion than the drains can handle. the w/s itself is only 1/4 wide and its just touching the sealing edge.same in the center rear. the 2 rear corners adjusted ... |
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| 1994 GMC C1500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Cuts out, Misfire VIN: 2GTEC19K5R thanks in advance for your help this one is killing me. Has miss on 8 came in for power loss and surge. Checked back pressure replaced cat truck ran better, but still have miss found egr bad replaced tried new distributor with cap and button and a coil new plu... |
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| 2006 GMC Yukon SLT 5.3L Rear AC VIN: 1GKEK13T16 Happy Monday Everyone. This Yukon came in with the complaint that the rear AC was not cold, and the front was fine. At first we did not even check the front to see what the duct temp was but noticed that customer was correct and rear temp was around ambient te... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1975 Chevrolet C10 Cheyenne 5.7L transmission VIN: CCV145F309 Inner skin of the Crossover pipe had collapsed increasing back pressure on engine.New crossover pipe has corrected problem.Thanks all for your suggestions |
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| 1996 Chevrolet S10 LS 4.3L Hesitation, Stall VIN: 1GCCS19X7T the map sensor was bad.the vaccum hole on the sensor was clogged with carbon.i guess it would block the hole enough to make the truck die some times. thank you for the help Trouble codes: P1122, P0122. |
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| 1997 Chevrolet Express 1500 5.7L No Start VIN: 1GNFG15R8V This bad boy is fixed , The cust desided to drive the van over the weekend, well 300 miles later, letting it sit over night no start at all, he hit with starting fluid and away the engine comes to life,he drives it straight to my door step and says its all y... |
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| 2006 Pontiac GTO 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 6G2VX12U46 Hey guys. Thanks for all the suggestions. I began testing the wiring and found all circuits good. Upon cleaning terminals of PCM connector found all signals return to normal state. suspect poor PCM connection. thanx Again. Trouble codes: P0122, P0340, P0206. |
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