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Professional Automotive Repair Technical Discussions for March 14, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Cadillac CTS 3.6L valves VIN: 1G6DP56785 Hello brothers and sisters. This one is mine actually my wifes. Timing chain jumped just enough to bend some valves and I've never had to do a valve job on this model.My machine shop, whom I trust, says its risky because head deck bolt threads pull out when to... |
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| 2003 Chevrolet S10 LS 4.3L Misfire, MIL Lamp on VIN: 1GCDT13X53 this vehicle sets missfire code while driving on cyl #1 from accelerating from stop.(65-70 mph). normal cruising speed no miss occurs? please help! this truck is killing us; it needs to go. Thanks everyone; Larry Trouble codes: P0301 |
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| 2004 Chevrolet Trailblazer LS 4.2L Hesitation VIN: 1GNDT13S84 Vehicle came in for diagnosis from new owner bought with problem. We have verified condition as follows. If the vehicle is allowed to sit for at least fifteen minutes then driven it will hesitate as you accelerate because it is running extremely lean up to abo... Trouble codes: 00171 |
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| 2004 Chevrolet Silverado 2500 HD 6.6L Fuel Pressure VIN: 1GCHK23284 this vehicle was brought in with surging/erratic idle. almost like a misfire. it had codes p0089 and p0672. the first code is for fuel pressure out of range. i checked the readings and the desired and actual were jumping so fast i could not read them. the vehi... |
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| 2005 Chevrolet Cobalt LS 2.2L Mechanical VIN: 1G1AL14F15 I got this car back in the shop today the customer complaint was the car making noise lifter check the oil maybe 1quart of oil in the car an 5000 miles over the change sticker so I changed the oil and refilled it the noise went away and the car will not idle t... |
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| 1995 Geo Prizm LSi 1.6L No Start VIN: 1Y1SK5263S ok this one was towed into me with a no start condition. The first thing I do is check for spark and injector pulse. I have neither. Then I pulled the distributor cap and see if the rotor is turning. It is so I check to make sure total timing is right and its ... |
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| 2005 GMC Envoy XL SLE 4.2L battery VIN: 1GKET16S15 Hello every one. This vehicle has a battery drain that will kill the battery in two days. it seems to be fine if you start and run it on a daily bases. We have removed the remote car starter module, instrument cluster fuse, inspected wireing harness, tested cu... |
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| 2004 Pontiac Bonneville SE 3.8L rear ride control VIN: 1G2HX52K04 ok everyone, ran tests using modis and checking pids. can operate compressor no change. active command alc exhaust and shocks will not move from current position. rearend rock hard. also height sensor replaced. need help thanks in advance |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Buick Regal GS 3.8L MIL Lamp on VIN: 2G4WF52143 Well, this is one for the "win" column! Steve from Quebec hit the nail right on the head. Connector c405 underneath car was corroded causing the 5v reference for FUEL PRESSURE sensor to drop out. I think the frustrating part of this repair for me, was th... Trouble codes: P1639. |
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| 2007 Buick Lucerne CXL 3.8L battery VIN: 1G4HD57237 CUSTOMER HAS NOT RETURNED AS PROBLEM HAS NOT REOCCURRED MOST LIKELY ALTERNATOR PROBLEM THANKS TO EVERYONE FOR YOUR HELP |
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| 1999 Chevrolet Corvette 5.7L Hard start. VIN: 1G1YY22G9X I'm gonna call this one fixed. I removed the NEW fuel line/check valve and found that the check valve would remain open for about 30 seconds after pressure forced it open. The old fuel line/check valve wouldn't hold pressure at all. Useless. Then Brady [...]... |
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| 2006 Chevrolet Trailblazer LT 4.2L thermostat VIN: 1GNDT13S86 It was an Air pocket. Bought the Vac fill. Thanks to all for the help |
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