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Professional Automotive Repair Technical Discussions for August 16, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Buick Regal Custom 3.1L Poor Idle Quality VIN: 2G4WB52M5S came in with intermitant high idle problem which seems to be gone at this time but other intermitant problems persist, at times cruise is inop. except in gearshift 3 position, door locks lock at times when the drivers door is closed, prior to moving the gear s... Trouble codes: 28 (transmission range selection sensor error.) |
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| 1986 Chevrolet Caprice Classic Brougham 4.3L Hesitation, Surge VIN: 1G1BN69ZXG this old one should be simple but it is kicking us pretty bad. car starts and drives fine until it goes into closed loop.at this point data line to scanner locks up,runs rough almost like missing,idles high or surges and iac pulses in and out.at times egr sole... |
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| 1993 Chevrolet 34 FT MOTHOM 454CID brake, steering VIN: 1GBKP37N8P this 34 ft motor home came in here with a hard to stop complaint , and p/s leaking . inspect the system found a leak at the valve to the p/s ,brake system ,REPLACED a o-ring seal leaking at p/s brake valve. the vehicle still moan's real bad ,steering wheel tur... |
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| 1997 Chevrolet C3500 Cheyenne 6.5L abs motor VIN: 1GCHC33F6V VEHICLE CAME IN WITH ABS ACTIVATION UNDER NON SKIP OPERATION SEEMS TO BE MORE WHEN STOPPING FROM HIGHER SPEEDS. ALSO ORIGINALLY IT HAD A LOW PEDAL SLIPPED AWAY I FIXED THAT PROBLEM WITH A MC. ANY WAY THAT WAS ADDITIONAL TO THE ACTIVATION PROBLEM I WATCHED ALL ... |
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| 1998 Chevrolet Monte Carlo Z34 3.8L abs VIN: 2G1WX12K8W customer complaint of abs light on. pulled codes, found c1242, rear motor not holding. no other codes present. after all test ran replaced abs motor pack, ebcm, abs module, and abs relay in that order. we still are losing power to enable relay. starts with 12.... |
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| 1998 Chevrolet Venture 3.4L system VIN: 1GNDX03E5W car towed in in with broken belt, comressor was locked, replaced belt , compressor, accumulator, expansion valve for the rear a/c, oriffice tube, and completly fliushed system, results were not satisfactory, replaced the compressor, oriffice, and expansion val... |
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| 1999 Chevrolet Silverado 1500 5.3L engine VIN: 2GECK19T4X truck makes a rather loud lifter type noise when engine is cold-especially cool mornings. it lasts 1-2 minutes then disappears. read a bulletin from g.m. on a noise like this that said it may be carbon build up. can these new motors be de-carbonized?? or do th... |
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| 2000 Chevrolet Silverado 1500 4.8L abs module VIN: 1GCEC14V7Y ran code test with obdII got [...] instructed me too clear code, test drive , if code comes on again replace module. code will not clear, when i run clear code, it clears for about 10 seconds and code co273 comes right back on. could this still be a proble... |
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| 1991 GMC Safari 4.3L Dies/w Brake Applied VIN: 1GDDM19ZXM I sure could use some help on this one. It will stall under heavy breaking and also when turning the steering wheel. All this is only at idle. This one uses the Hydroboost system. It was brought in from another shop. They replaced the IAC motor and Power steer... |
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| 1997 Oldsmobile Silhouette GL 3.4L windshield VIN: 1GHDX03EXV customer complained about excessive condensation on the inside of the windsheild in the first thing in the morning i do not think that it is related to our repair but would like to help them if possible, assuming the other windows are closed any suggestions ar... |
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| 1999 Pontiac Grand Am SE 2.4L ignition VIN: 1G2NE52T1X This car came in on the hook no start but cranks ok checked for codes and got 1631 theft alarm problem Ive read all the arcive stuff on these problems but my security isnt flashing or does it stay on when key is left on only time i see the security light on is... |
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| 2001 Pontiac Grand Prix SE 3.8L MIL Lamp on VIN: 1G2WP52KO1 this vehicle came in no start.map sensor was open and cat was 1oo% restricted.all pids look ok. #420 will reset.is it possible replacement cat is bad? Trouble codes: P0420 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Cadillac Seville SLS 4.6L Poor Idle Quality, Hesitation, Surge VIN: 1G6KS52Y5R I tried all the information/suggestions I received from the people who replied. This vehicle is still not fixed. I also, have since replaced both oxygen sensors because the crosscounts were not correct, at first I thought I had fixed the problem, but then it a... Trouble codes: P0023, P0083. |
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| 1998 Cadillac DeVille 4.6L Misfire, MIL Lamp on VIN: 1G6KD54Y2W Thanks for the help but crank sensors and fuel pressure were in specs.Sorry for the late response.This car is still here. Trouble codes: P0300. |
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| 1985 Chevrolet Corvette 5.7L No Start VIN: 1G1YY0788F Greetings fellow members. Thank you for the tips, however this one was a fluzy. No spark, disconnected the 4-wire connector on back of dist., SPARK, we have a weak pick-up coil (according to the troubleshooter in the brick). Installed new distributor, still no... |
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| 1994 Chevrolet P30 7.4L hydroboost VIN: 1GBKP37N1R Well this camper is still a thorn in our side thankfully not mine. This has not been in my hands since 7/20 however I have past on this info and was hoping to be able to post a fix however cannot here are the responces recieved though.First off Blake from New ... |
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| 1997 Chevrolet C2500 5.7L Wipers/washer VIN: 1GCFC24M0V incorrect parts caused wiper problems with the new motor/module. I found out that when one orders a motor/module from the dealer it will come with a non pulse circuit board installed wether you like it or not. they dont tell you that for pulse wipers one needs... |
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| 2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 3GNEK13T42 First off thanks to all techs who replied to my request . Sorry for the long delay , but the customer had the vehicle towed to dealer one more time . The catalytic convertor blew up or plugged up do to misfires on 1,3,5,7 . After being serviced at dealer the v... Trouble codes: P0300, P0351, P, 0446 (evap system - cleared code 385 miles ago did not return . YET). |
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| 1991 GMC K2500 Sierra 5.7L compressor VIN: 2GTFK29K3M Received 27 replies with several good ideas. There are service bulletins for a/c light flashing. One says clean contacts of control head with pencil eraser. Another says cut dark green wire at pin 1 of control head to disable monitoring circuit. I was not awar... |
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| 1998 Oldsmobile Intrigue 3.8L dash/taillights VIN: 1G3W552K5W thanks for the 3 replies.i was not givin auth. from customer to repair due to customer/insurance squable.nobody wants to be responsible.what i found were the terminals melted @ multi-function switch to underdash harness connection.i could move harness @ connec... |
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| 1996 Pontiac Grand Am SE 2.4L instrument cluster VIN: 1G2NE52T8T good afternoon everyone , thanks for all the replys , turn out to be the computer , thanks again |
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| 1998 Saturn SL2 1.9L No Start VIN: 1G8ZK5276W Thank you for all of the replies that I have recieved regarding this particular concern. I recieved a lot of great ideas and possibilities. However, Ernie [...], Saturn of Norwood (Ma) brought to my attention that the coolant sensor may be misreading. If the ... |
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| 1999 Saturn SL2 1.9L 3 4 shift.& TCC VIN: 1G8ZK5271X Fix was to replace a couple of the solenoids. A local trans guy helped me out. shift sol 2 and 4 I believe was what he told me. I could find no way to do an activation test with the resources available to me. |
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