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Professional Automotive Repair Technical Discussions for January 23, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1992 Chevrolet Camaro RS 3.1L Surge, Cuts out VIN: 1G1FP23TON hi; guys, problem with car is, cutting off when you decelerating , it start right back .all sensors were ok , eccept mat sensor reading was 170 degree, changed the sensor, did not make any different!ignition system checked out fine too. need to mention sometim... |
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| 1992 Chevrolet Lumina 3.1L caliper VIN: 2G1WL14T9N we dont have a brake line presure gauge. the abs system dose not have a pump. the other calipers are holding up just fine. it seems as though the caliper would be able to hold all the presure that the master cylinder can generate. i have contacted G.M. (no hel... |
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| 1999 Chevrolet Silverado 1500 4.3L No start VIN: 1GCEC14W9X Hope you guys can help on this one. Seems that the truck is a problem child and has landed here. Did the obvious checks when truck came in. Fuel pressure at time tested was 48. After pump replacement it was 62. Truck ran great for 20 minutes and shut down like... |
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| 2000 Chevrolet Astro 4.3L MIL Lamp on VIN: 1GNDM19W3Y failure #1 tps=21% maf=28.17 map=50 mph=64 rpm=1808 load=17% failure #2 tps=18% maf=23.99 map=49 mph=55 rpm=1575 load=14% code sets very intermittently. has anyone seen this before i don't want to guess at it but i was wondering if induction cleanin... Trouble codes: P0121 (tps or app sensor 1 problem) |
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| 1986 Oldsmobile 98 Regency Brougham 3.8L No Start VIN: 1G3CW69B9G Hello there fellow techs. Hope your new year is going well. I have a customer called me as he drove it home one day, then the next morning went to start it up, and no start. I checked for spark, no spark. Put the scanner on it, and no codes. Checked for spark,... |
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| 1995 Oldsmobile Cutlass Supreme SL 3.1L engine VIN: 1G3WH52M7S The mechanic has checked all of the basics and replaced the usual required items to repair the problem but still not solved. On road tests, you could drive 10 to 15 miles and no problem but let off on the gas and the problem of overheating starts. We thought t... |
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| 1996 Oldsmobile 88 Royale 3.8L Poor Idle Quality, Misfire VIN: 1G3HN52K7T vehicle misses on #1 at idle hot.The missfire monitor will increment as long as vehicle is idling and stops as soon as you raise the rpms.Vehicle drives fine except at idle hot.#1+4 coil,#1+4 plugs,and #1+4 wires replaced with new test parts.#1 and #3 injector... Trouble codes: P0300, P0301 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Buick Park Avenue 3.8L Fuel Injectors I appreciate my one reply for this post. It did not aide in repairing the vehicle, but I appreciate the effort. I replaced the pcm as I suspected. After replacement, I measured voltage at pin WD14 and had the required 5v. The vehicle starts and runs as it did ... |
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| 1994 Cadillac Seville SLS 4.6L buzzing noise front of motor VIN: 1G6KS52Y6R thank you for the information on diferent options,it was the a/c pulley bearing that was making noise. |
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| 2000 GMC C3500 Sierra SL 6.5L Stall VIN: 1GDKC34F9F Sorry for the delay but customer had a hard time swallowing another trans job after being at two other facilities. Prior to replacing unit found ignition switch open circuit feed to solenoids which may have been the demise of the original unit. Thanks for the ... |
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| 1993 Pontiac Sunbird SE 2.0L hard start VIN: 1G2JB14HOP First of all I would like to thank everyone who replied. It always amazes me on how many replies you will get from fellow members.I recieved 13 replies .Some of the replies were fuel pressure regulator, IAC, temp sensor, but the fix was coil packs had to get t... |
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| 1994 Pontiac Firebird Formula 5.7L Hesitation, Cuts out, Misfire, detonation VIN: 2G2FV22P3R Hi, Finally got the Firebird fixed today. I recieved 3 replies, one suggesting checking spark plug wires for crossfiring on #5 & #7, one suggesting possible broken piston or ring causing low compression and the associated kv drop and detonation noise, and the ... |
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| 2000 Pontiac Firebird Formula 5.7L Hesitation, Misfire, MIL Lamp on VIN: 2G2FV22G5Y well, thanks for all your help, but the problem was not the pcm. i replaced the o2 signal wire from the sensor to the pcm, and the problem was solved. it was somehow picking up voltage from the o2 heater circuit because when i pulled the heater fuse, the volta... Trouble codes: P0300. |
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