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Professional Automotive Repair Technical Discussions for January 4, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1985 Chevrolet C10 Custom 4.3L Poor Idle Quality VIN: 2GCCC14N9G Boy do I have the questions! I am working on this truck and am looking to find some info on timing it. Under the hood it says to disconnect the vacumm advance and plug the hose. When I do that and time it to 0 degrees it doesn't run good. Then I read in the Mo... |
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| 1989 Chevrolet R1500 Suburban Scottsdale 5.7L Excessive Emissions, Fail Emissions Test VIN: 1GNER16K5K I am looking for Opinions and thoughts on this Suburban. This is my wife suburban and has 170,000 miles on it (110,000 on engine). It has failed the emission test for Harris County in Houston Texas. I had this tested and faile with these Numbers(We will only d... |
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| 1992 Chevrolet Cavalier RS 3.1L Mechanical VIN: 1G1JC81T2N HI to everyone just a quick question on removing the engine to replace worn cam shaft . is it easyier & quicker to drop complete unit out the bottom with sub frame or just the engine assy from the top. if someone has done one of these any advice will be appr... |
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| 1997 Chevrolet K1500 4.3L transfer case VIN: 1GCEK19WOV No 4WD shifts on this truck. Push button lights will come on for a few seconds on power up. Then all lights go out on indicator, including the 2WD light. When pushing 4Hi or 4Lo no clicks can be heard or felt at the controller, no lights come on. Power is pres... |
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| 2000 Chevrolet Astro 4.3L Misfire VIN: 1GCDM19W6Y vehicle came to us from another repair shop with new tune-up,mass airflow & tps.parts replaced per multiple codes. we have scaned vehicle & test drove van cold & hot many times.problem disappears sometimes when hot.we have ran fuel injection clean and was no h... Trouble codes: P0300 (random misfire) |
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| 1991 Oldsmobile Cutlass Supreme 3.4L Engine VIN: 1G3WH54XOM I can use some help now from all of you out there who might of had this problem. Mitchell on demand says this engine bends valves on this 3.4 DOHC engine. Well i went ahead and put a new timing belt and tensioner anyway to see what would happen and it runs gre... |
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| 1988 Pontiac Grand Prix 2.8L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1G2WJ14W5J when car came to me it would idle for about 1 second then stall would do the same over and over checked fule pressure it was good the pressure would even rise when it stalled put snap on scan tool on and no codes changed the crank pos sensor did not help found... |
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| 1999 Pontiac Grand Prix GT 3.8L Surge VIN: 1G2WP52K1X Hi iATN I need help.This car surges under med acceleration aprox. 500 RPM. It will surge from 1800-2300 RPM it feels like a Rev. Limiter kicking in & out. It doesn't feel like 1 or 2 cylinders breaking down or the trans. slipping. When we watch the scan data t... |
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| 2000 Pontiac Grand Am SE 2.4L engine missfire VIN: 1G2NF52T7Y well hello all!i have a freind with a nice one-it just started to miss all at once-we pulled the quad cluster(coils and module out)we could not see any tracking-only one plug was wet-i was wondering if anyone has ran into this problem,with this engine-i am at ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Buick Park Avenue Ultra 3.8L abs VIN: 1G4CU5313P hello everyone. Thanks to those that replied. Waiting for customer to return to look at vehicle again. thanks again. |
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| 1995 Chevrolet Lumina LS 3.1L Intake manifold gasket VIN: 2G1WN52M5S First of all, I would like thank all the Tech's that replied to my help request keep up the good work.I became increasingly fustrated by not being able to isolate the exact location of the coolant leak, so i decided to let a machine shop check the head for tru... |
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| 1997 Chevrolet Lumina 3.1L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2G1WL52M9V Thank you all for the replies and sugestions.Mostly replies were leaning to fuel injector problems.Like most people said-these cars have alot of injector problems.In the past I've always has enough evidence to prove injector problems.On this car injector resis... Trouble codes: P0300 (random misfires). |
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| 2001 Chevrolet Suburban 1500 LT 5.3L rear pads VIN: 1GNFK16T41 Many thanks to those who replied to my post. I will recommend the mudguardsas suggested to the customer when he returns. Happy new year to all! |
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| 1996 GMC Yukon SLE 5.7L No Start VIN: 1GKEK13R0T First off, thank you to all who took the time to reply. I had several tips suggesting the Distributor was bad. I recall there being two different Dists in these, one with a magnetized shaft that would lose it's magnetism, and one without that would magnetize, ... |
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| 1998 GMC Jimmy Envoy 4.3L Transfer Case? VIN: 1GKDT13W3W Many thanks for the six replies. Of the six, four pointed to the vacuum switch on the transfer case. Steve provided the most complete explanation: 'I'd say your three port vacuum switch on top of the transfer case is junk. Instead of being stuck fully in the 4... |
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| 1997 Oldsmobile Silhouette GL 3.4L bearings VIN: 1GHDX03E3V All the responses were excellent. We always reseal the intakes on engine swaps so changing the intake is no big deal. Changing of the exhaust manifolds is very easy out of the vehicle so this swap should be no different than all the others, thanks very much fo... |
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| 2000 Saturn SL1 1.9L Misfire VIN: 1G8ZH5289Y Thank everybody who responded to my problem. Through all replies i found the intake manifold gasket was leaking which caused #1 cylinder misfire along with a high idle. Thanks to everybody, this is a great tech site. Trouble codes: P0300. |
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