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Professional Automotive Repair Technical Discussions for March 26, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 2GCEC19R5V Hi everyone and thank you for taking the time to look at my post. I have this truck from a first time customer. Customer replaced the engine with a new crate engine, I do not know what was wrong with the original engine, once installed, he could not get spark ... Trouble codes: P0336 (Ckp sensor performance), P0339 (Ckp sensor circuit intermittent) |
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| 1999 Chevrolet Express 2500 5.7L turn signals VIN: 1GCGG25R2X When i turn on the parking lights the turn signals stop working, with parking lights off turn signals blinks fast on both sides with left or right turn signal on. grounds good checked with headlamp.removed all bulbs and both turn indicators light up on dash an... |
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| 2013 GMC Sierra 1500 SLE 6.2L Noise VIN: 3GTP2XE22D This truck belongs to a colleague. Occasionally on cold start up ,there is a noise that sounds like a lifter /valve train problem. As the truck warms it disappears. Although it is still under under warranty, I was wondering if any one has heard of a noise prob... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Express 3500 LS 6.0L Misfire, MIL Lamp on VIN: 1GAHG39U83 After talking to AC Delco and finding out that they are no longer making this manifold and performing a nationwide parts search, we ordered some manifolds from the junk yard. All of the used manifolds were in worse shape than the one I took off this truck. I d... |
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| 2008 Chevrolet Impala LTZ 3.9L Hesitation, Cuts out, Stall VIN: 2G1WS55328 Closing the shop the other day, the vehicle did not start when trying to bring it in. Fuel pressure in spec., but no spark. Connected scanner for RPM data- 260RPM cranking. Then it started. Off of a hunch, swapped with a good ignition module/coil pack. Di... Trouble codes: P0172 (Fuel Trim System Rich). |
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| 2008 Pontiac G5 2.2L MIL Lamp on VIN: 1G2AL18F28 Thanks for all the responses guys. The air filter was replaced with a quality one so there was no issue there. I did check to make sure the downstream and upstream 02 connectors were not switched previously because they are close together and could see how t... Trouble codes: P0172 (Fuel system rich). |
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