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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 29, 2007
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Limited 3.8L Unknown VIN: 1G4HR54K6Y
help! i have this 2000 buick with passenger temp control, it blows 50f temp out of right side vents, but it will not get below 75 f on the left side , i have checked for codes , no codes , i have half the dash apart trying to find the problem , i can turn the ...
1996 Chevrolet Monte Carlo LS 3.1L Poor Idle Quality VIN: 1GSG143W14
Hello, I need some help here. This car always idles at about 1200 rpm's. I checked all linkage and cruise control cable adjustment; all o.k. I hooked up smoke machine and checked for vacuum leaks; none were found. P.C.V. valve was blocked off with no help. I ...
1997 Chevrolet Astro 4.3L Poor Idle Quality, Surge, Misfire VIN: 1GNEL19W8V
hello, and thanks in advance for any help. this astro runs ok most of the time. intermittently, it feels like it has multiple misfires, or "scatters" (like a mid-80's gm w/lots of carbon on the ign rotor).it also pings severely, and has an obvious lack of powe...
2000 Chevrolet Impala 3.8L no 3rd VIN: 2G1WF55K49
neutral safety switch problem, car came in with solenoid codes and in limp mode. after clearing codes i noticed that it only sets codes when you place it in drive and take off. according to the data streem when the trasmission is in neutral the data reads driv...
2002 Chevrolet Cavalier LS Sport 2.4L Cuts out VIN: 3G1JH12T42
hi guys, customer complaint- car shuts down on the highway(at cruising speeds), puts vehicle in nuetral & car starts right back up (while still driving down the road). this happens very infrequently. sometimes the customer can drive for 3 or 4 days without any... Trouble codes: P0336
1992 GMC C3500 Sierra 6.2L Cuts out VIN: 1GDGC34J2N
well thanks to all that response to this message well i am at lost with this bio diesel she run good but when you get on it it shuts down and she will restart after one or two crank well i cant find good info for this truck no codes fuel pump new fuel filtter ...
1997 GMC K1500 Sierra SL 5.0L master cylinder VIN: 2GTEK19MXV
Truck came in with a blown brake line and a rear wheel cylinder leaking. Repaired brake line and replaced both rear wheel cylinders. We bled the lines and have got no air. We see no leaks anywhere.The pedal is firm and feels good until I start the vehicle and ...
1997 Oldsmobile Cutlass GLS 3.1L Hesitation, Cuts out, Stall VIN: 1G3NG52MXV
Hello, This car came in with a stalling complaint. Now the car runs great when the temp outside is less than 60 degrees. But when the outside temp goes up the car starts to stall, and the hotter it gets the more often it does it, untill it just will not stay r...
1993 Pontiac Bonneville SE 3.8L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy VIN: 1G2HX53LXP
i have a rich running condition. when engine hot i can run engine at 2000 rpm and fuel trims are 182 and 149. i bring back down to idle and fuel trim will back down for approximately 1 to 2 minutes then go back up. this has had a new maf sensor, 2 brands of o2...
1997 Saturn SL1 1.9L Cooling Systems VIN: 1G8ZH78YOR
Does anyone know what the warranty on this repair is for sure? Several people tell me Saturn extended the warranty for this repair. If you definetly know could you please send me a written copy. Tjanks Mike
2001 Saturn L200 2.2L compressor engagement VIN: 1G8JU52F11
Hi everyone , I have a 01 saturn that is giving me fits , i have used mitchell on demand and followed the flow charts and replaced a couple components as failed parts as described . but have no a/c clutch engagement - first i checked all the fuses and all were...

Fixes & Summaries for GM
Fix/Summary Answers
1995 Cadillac DeVille 4.9L Hesitation VIN: 1G6KD52B2S
First i want to thank all of you who took the time to respond to this posting on a holday weekend, the techs on iatn are the best. A few of you hit the nail right on the head. The trans is wrong for the car. While it is identical externally, the are some wirin...
1995 Chevrolet S10 2.2L Instrument cluster VIN: 1GCCS1442S
A great big thankyou to all. All good tips on the voltage drop test, unfortunately I could not get the vehicle to act up sitting still, UNTIL, I removed the lower column shroud and lightly pushed up on the bottom of the switch, the blower then quit and red bra...
1995 Chevrolet Cavalier 2.2L No Start VIN: 3G1JC1246S
Another tech suggested disconnecting the battery for an extended period to erase the stored memory. The car runs fine just like it use to before the head gasket replacement. And to the one that suggested I go back to school b/c cars dont use inputs like ECT fo...
1996 Chevrolet Blazer 4.3L No Start, Stall VIN: 1GNCT18W7T
Well I am going to call this a fix. My focus was on trying to get a consistant failure so I could pinpoint the cause, and this was what I was really asking for help with. A few very good suggestions on testing, I especially liked the idea of wiring in a light ...
2000 Chevrolet Blazer LS 4.3L compressor VIN: 1GNCS13W3Y
I now see why there weren't many replies,this was not usual at all. I removed the heater head to ohm out the sensors.I noticed extra wiring.(It was done very proffesssional) when I was ohming things out I found a short. Somehow the person miswired one wire to ...
2000 Chevrolet Express 2500 5.7L rear brakes VIN: 1GCGG25R4Y
What a great help. Several of you have had similar problems. We replaced all brake pad and shoe with Delco. Van stops just like a new one.
2004 Chevrolet Impala 3.4L Hesitation, Misfire, Poor Fuel Economy VIN: 2G1WF52E84
Sorry so long to reply. Motor vac guy came in to do a demo on his carbon clean machine. I had him hook it up to this vehicle. We cleaned the fuel system and injectors. Since the cleaning, it has been running good. Customer came in for an oil change today and h... Trouble codes: P0300 (Random/multiple misfire detected.).
1996 GMC Yukon SLE 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEK13R8T
Well, thanks for all the replies first off! As this vehicle had been to so many shops prior to my own, I ended up sending it back to a previous shop for warranty fuel injector replacement. It seems that when the CSFI spider assembly was replaced with a reman u... Trouble codes: P0300, P0172, P0175.
2000 GMC Yukon XL 1500 SLE 5.3L Transfer case VIN: 3GKF16T8YG
Well it is fixed. After replacing the shift motor with a GM shift motor it works just fine. The 2 aftermarket shift motors just wouldn't take it out of 4LO. I should have listened to myself when I kept asking why will it not come out of 4LO and I can take off ...
1997 Oldsmobile Cutlass Supreme SL 3.1L Misfire, MIL Lamp on VIN: 1G3WH52M7V
group thanks for al the replies, all very helpful, checked crank sensor, fuel press & reg,compression,then ran combustion leak test & cylinder leak test , combustion test positive, so ran leak test on cyl#2 since it had the most misfires, & out the radiator ... Trouble codes: P0300.
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