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Professional Automotive Repair Technical Discussions for April 7, 2008 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet Blazer 4.3L No Start, Surge, Stall VIN: 1GNDT13W3S Guys, This '95 Blazer has developed an intermittent dieing and surge at times. Last week as I decribed in repair history I replaced the computer and harness to injector and vehicle ran great.Done,fixed. Very surprised when customer called;went out right away a... |
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| 2003 Chevrolet Malibu 3.1L ignition switch VIN: 1GT1ND52J2 if you play with the shifter on the floor sometimes you will get the key to turn and car will start.as long as you dont put the car back into park the igntion switch will not get stuck.Is that a cable problem? |
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| 2004 Chevrolet Cavalier 2.2L Speedometer, Fuel level VIN: 1G1JC52F64 This car has a fuel gauge and spedo. that most of the time are not working proper, Spedo. reads 20MPH sitting still and fuel reads way above full. All the rest of the gauges read fine. Thats why I don't think it's a power or ground supply? Does anyone have a t... |
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| 2005 Chevrolet Venture LS 3.4L Hesitation, Cuts out, Stall VIN: 1GNDV23EX5 Hello to all, again; Today's nightmare would be a motor change on a 2005 Chevy Venture. Snap throttle at idle, or under load, pulling a way from a stop light and lightly feathering the pedal produces a nice hesitation before everything kicks in and maybe once ... |
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| 2006 Hummer H2 6.0L fuel filter We have not been able to locate the fuel filter on this vehicle. The parts house supplied a filter with 2 plastic snap on fittings. By the looks of the filter I don't think it belongs inside the fuel tank, but we can't find the original one under the vehicle. ... |
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| 2000 Oldsmobile Intrigue GX 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G3WH52HXY i have a 2000 oldsmobile with a 3.5 in it for some reason it has a misfire on cylinders 2 and 4 and it does it most of the time, although sometimes it will be fine.if your watching it on the scanner sometimes other cylinders will misfire once or twice but most... Trouble codes: P0300 |
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| 2001 Oldsmobile Aurora 3.5L vent controls VIN: 1GNTT66SYN let me say thanks first !! This car was bought at an auction by a wholesaler. It came in without any ac at all. I found it had an open in the ac comp clutch so I relaced with a known good used one (at wholesalers request) The ac comp comes on and I filled with... |
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| 1995 Pontiac Grand Am GT 3.1L temp up and down VIN: 1G2NW55M6S Customer complaint is temp going up and down and no heat as it goes up. I road tested to confirm. No coolant loss visable. Once warm, Temp goes from 180 to 215 in about 2 minutes,then drops back to 180 in about 15 seconds. I confirmed the guage readings with m... |
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| 1997 Pontiac Grand Am SE 3.1L Hesitation VIN: 1G2NE52M8V I have this grand prix that starts perfect idles fine but when you drive and it shifts to second or third it bogs down really badly. This is happening when you drive normaly.If you put your foot to the floor it seems to run fine With the scanner hooked up i no... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Cadillac Fleetwood 5.7L No Start VIN: 1G6DW5276P We can no longer duplicate the problem with this vehicle so it has been returned to the customer. I replaced the pcm and prom at our expense but due to the warmer weather now the vehicle always starts. I still see the intake air temperature jump around on the ... |
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| 1997 Cadillac Seville STS 4.6L No Start VIN: 1G6KY5298V Thanks to all who replied. The problem was a bad ground connection on lower right of engine area. Also, a relearn of both modules was needed. |
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| 1993 Chevrolet K3500 Cheyenne 7.4L Electronic VIN: 1GCHK39N8P I located a factory service manual as suggested but it really wasnt much help but the schematic was easier to read. After a few hours of digging I found the diode module on the RIGHT side of the truck on the inside of the firewall.Down where the passengers fee... |
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| 2004 Chevrolet Silverado 2500 HD 6.6L Poor Fuel Economy, MIL Lamp on VIN: 1GCHK23214 This vehicle is not yet fixed. there are no loose exciter rings on the cam or crank. the engine is a late build with low millage. the GM code tree deals only with cam problems but I am now concerned the crank sensor may be at fault. I will update if I am a... Trouble codes: P0016 (CKP/CMP corelation). |
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| 2004 Chevrolet Cavalier LS Sport 2.2L vibration VIN: 1G1JH12FX4 I got a lot of good replies on this. Possible bad motor mounts, exhaust grounding, check with a sirometer, cooling fan out of balance. I found out this morning that when turning the a/c on, the cooling fan was coming on & causing the vibration. Thats why I som... |
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| 1989 Pontiac Bonneville LE 3.8L MIL Lamp on VIN: 1G2HX54C1K Thanks guys for all the help, check all wiring behind power steering & alternator, replaced cam magnent, code has not returned. Trouble codes: 41 (cam signal). |
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| 1992 Saturn SL 1.9L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1SATURNLS2 Unresolved as of this moment, customer had surgery and road work in front of home and can't get vehicle to me for at least another 2 weeks. I did get some useful information and a majority says the CTS sensors on these vehicles crack on the tip and get corrosi... |
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