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Professional Automotive Repair Technical Discussions for May 13, 2006 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1988 Buick Century Limited 3.8L alternator VIN: 1G4AL5131J Has loud rattling/knocking noise between 700-1000 rpm. If you unplug the alternator the noise instantly goes away. Tried a different alternator and the noise is still there. If you slowly take tension off the tensioner until the alternator starts slipping a li... |
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| 1996 Cadillac DeVille 4.6L No Start VIN: 1G6KD52Y2T car came in with no power to any fuse at the under hoodfuse block. found bad conection for main power to all fuses repaired have power to all fuses now but car will not start and on dash messege theft system problem car may not restart. checked fuel psi 42psi,... |
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| 1992 Chevrolet Lumina APV 3.1L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Misfire, Poor Fuel Economy Vehicle came in was driven about 700 miles ran fine / got gas / parked at owners sons house next morning ran bad / black smoke / pulled plugs , very rich. scanned no codes , o2 switching , map sensor voltage correct against vacuum gauge.when you accelerate it ... Trouble codes: 43 (esc spark control) |
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| 1995 Chevrolet Cavalier 2.2L a/c No a/c, if i ground the a/c relay the comp will come on but no cooling fan. pressures seem to be ok and it gets cold but with no fan high side climbs quickley so i stop. i checked the pressure switch, ground is fine, but there is no 5v reference. this may be t... |
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| 1996 Chevrolet Cavalier 2.2L ipc VIN: 1G1JC1241T Various lights on the IPC will flash on and off intermittantly. Sometimes the temp guage will drop off and go back up. Sometimes you will notice the RPM change in the engine. Have a code P1601 in the ECM, a code 61 in the Airbag comp., and codes 36 & 75 in the... |
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| 1999 Chevrolet Tahoe LS 5.7L Misfire, MIL Lamp on VIN: 1GNEK13R2X Hello everyone and thank you in advance for your help I have tested about everything I can on this one Truck came in with misfire po300 missing on #6,#3#5 but only under load I had done a tune up on this truck less than 5 months so I didn't think I was dealing... Trouble codes: P0300 |
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| 2003 GMC Yukon XL 1500 SLE 5.3L Steering VIN: 1GNFK16Z53 Pulling left after tire replacement and alignment. Trying 2 promote services of IATN and build membership with Boente Shell Carlinville, Il. Thought we would supply u guys with this infor to help Jason out. |
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| 1988 Pontiac Grand Am 2.5L Stall VIN: 1G2NE14UJC Car starts and stalls immeadiately after starting. There is no injector pulse while running on starting fluid. Has pulse on crank but not on run. I have checked wiring from all components to computer and all grounds and they all checked good. |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1996 Buick Century Special 3.1L fast idle VIN: 1G4AG85M9T Thanks for all the ideas. I did not get a chance to fix this one (at least not yet) but the replies are worth a look at. After letting me and the car cool off overnight, and most importantly, reading your replies, came up with a diagnostic plan. Checked for a ... |
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| 1999 Chevrolet Venture 3.4L No Start, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GHDX03E6X thanks for all the help i disassemble th upper intake agin because when i did the job the first time i found alot of sludge not usual, but warrented another look and found 8 out of 12 lifters collapsed. clean the lifters and was able to get them to work normal... Trouble codes: P0300, P0304. |
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| 2003 Oldsmobile Alero GL 3.4L No Start VIN: 1G3NL52E83 Thanks to everyone who to the time to reply. kevin from PA nailed this one. The ignition switch was the culprit it was losing power to circuit that fed the ignition module, injectors,pcm & fuel pump relay. |
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