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Professional Automotive Repair Technical Discussions for September 27, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1982 Chevrolet Corvette 5.7L Poor Idle Quality VIN: 1G1AV07E3L Crappy idle, no codes, the only thing abnormal I see is the reading from the MAP, my vantage says it shoudl be from .5 to 1.5 volts at idle, we are sitting at sea level.If the MAP get's disconnected, idle get's butter smooth and exhaust smells normal, but with... |
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| 1997 Chevrolet Express 3500 6.5L Excessive Emissions, black smoke VIN: 00V1088711 please help diesel tech and anybody with a word of wisdom! this is one of my better customers vans and have not really had a lot of experience with newer diesels! this one will blow huge clouds of black smoke when the van is driven above 40 mph on the highway ... |
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| 2000 Chevrolet K3500 5.7L Starting VIN: 1GCHK33R2Y well this is one for the books...thanks in advance. this truck came in and was slipping in reverse and we drove it in the shop and pulled transmissoin and sent it away and had it rebuilt. reinstalled the trans and now truck will not say running starts when cra... |
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| 2003 Chevrolet Suburban 1500 LS 5.3L Excessive Emissions, Misfire VIN: 3GNEC16T83 Vehicle will start and run fine at first, watching short term and mis-fire, bank one goes crazy gradually increasing, and misfire data on cylinders one and three goes up. Pulse width average on bank one is almost double of bank two. Black smoke is emmitted. Re... Trouble codes: P0300 |
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| 2007 GMC Yukon SLT 5.3L radio VIN: 1GKFC13J37 Hello all , I am from Kuait (Middle East) the customer buy this Yukon from USA. the Radio tuner system in USA is defront from Middle East, we have option to chang this by SPS I have done this too meny times in other old year modiles, but this one when I done S... |
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| 2004 Pontiac Grand Prix GT2 3.8L power windows VIN: 2G2WS52294 Hi all, We have this '04 Grand Prix with an intermittent problem with the power windows. Power windows will work properly most of the time. When they act up, the windows will not go down. (Have never had it happen with windows down, so I don't know if the win... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Buick Skylark Limited 2.4L No Start, Stall, MIL Lamp on VIN: 1G4NJ52TXT Many thanks to Joe for the diagnostic chart. Arrow, John, Stephen and Terry had it right. It was a bad IPC. Bought one from a wrecking yard, installed it, performed relearn procedure and it started and stayed running. The key to diagnosing these systems seems ... Trouble codes: P1629 (fuel system disable). |
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| 1999 Cadillac Seville SLS 4.6L overheating VIN: 1G6KS54Y8X Hello everybody. Thi's about the overheating problem in the CADILLAC SLS 1999 with the northstar engine. As I mentioned before, the customer insisted that an used engine was installed in the car resently. We suggested him to take it back to that previous shop ... |
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| 2001 Cadillac Catera 3.0L No Start, Stall, Misfire Thanks to everyone that replied. It turned out to be a faulty MAF. I was quick to dismiss this and other things because the scanner data indicated it was working within specs, but after switching a known-good unit, the car runs perfectly. Trouble codes: P0300. |
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| 1995 Chevrolet Tahoe LS 5.7L brake pedal VIN: 1GNEC13K3S i re-bleed the entire system,took lines off abs unit tried to flush,bleed system again.pedal is working good,owner says she has never had pedal that good since she has owned it.thanks for everyones help on this,josh |
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| 2001 Oldsmobile Bravada 4.3L radiator VIN: 1GHDT13W91 Thanks for all the great replies I received. The main ideas were head gaskets, cracked head into exhaust, leaking into transmission, and intake gaskets. Sean, David, Todd, Randy, Timothy, and Gene were correct in that the intake gaskets were leaking. The cu... |
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| 2001 Pontiac Grand Am SE 3.4L Chime, Remote door locks, Security system VIN: 1G2NF52E61 Replaced the lock cylinder and switch, The security system and door locks now work and the key buzzer shuts off. |
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