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Prev Professional Automotive Repair Technical Discussions for November 28, 2010
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Open Help Requests for GM
Help Request Answers
1955 Cadillac DeVille 5.4L Vacuum Booster
When braking somewhat hard the brake pedal becomes hard due to loss of vacuum. The power assist seems fine until a hard stop is needed. The engine runs fine and accelerates good and there in no rough idle or noticeable change in the way the engine run. There i...
1994 Chevrolet C2500 Silverado 5.7L Engine VIN: U922312184
Sorry guys, this just an up date on vehicle I requested help on. I replaced water pump per some help that I received. I released this vehicle last Monday after I road tested it with no problem. The vehicle returned with the same problem this past Saturday. I f...
2002 Chevrolet Express 3500 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GDHG31R62
I replaced the heads while doing the work I find the dist gear very thin. Get a new dist complete with cap and rotor. Every thing seemed to go correct. but after I wan done i had a p0300 that had me rethinking every thing I touched. After a new crank sensor an... Trouble codes: P0300
2004 Chevrolet Aveo 1.6L No Start VIN: KL1TJ62664
Hello me it's me again. Kidding, anyway hello to all and thanks in advance. This weapon was towed in as a no start. So far I have check and found no codes. Data is very poor for how many parameters there are. Must be daewoo electronics. I have spark but no inj...
2003 GMC Savana 2500 4.8L Misfire VIN: 1G2CG2AV1C
good day to you i have a van with a miss on cyl 6 after it idles or runs for a about 15 minuts. the fuel pressure is correct and it never looses spark.performed injector b alance test all droped the same amount installed new #6 injector anyway switched coils p... Trouble codes: P0300

Fixes & Summaries for GM
Fix/Summary Answers
1995 Chevrolet Lumina 3.1L Hesitation, Cuts out VIN: 2G1WL52M9S
Well I could of swore it was a TPS or a trans problem. I feel stupid about this but it was just a plug carbon tracking, new plugs and wires fixed. Thanks for the help. Trouble codes: 28 (Trans press switch manifold).
1997 Chevrolet K1500 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK1973V
Sorry for the long delay in closing, the custumer was out of town and I gave up on it for more pressing vehicles. I would like to thank you all for all your responses. I did do a running compression test as well as a cranking compression test both showed even ... Trouble codes: P0300 (Random missfire), P0305 (5 missfire failure record).
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