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Prev Professional Automotive Repair Technical Discussions for March 16, 2012
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1997 Chevrolet Venture LS 3.4L Surge, Misfire, MIL Lamp on VIN: 1GNDU03E4V
Hello everyone, got this gm that is giving us p0300 codes intermintently. As one can see I have replaced parts that were worn out and tried new parts and/or known good parts for testing purposes. What stands out is the neg fuel trims all the time and an approx... Trouble codes: P0300
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1999 Chevrolet Tahoe LS 5.7L Cuts out, Misfire, MIL Lamp on VIN: 1GNEK13R8X
This truck runs great under normal driving conditions, even under a hard acceleration. Then when you let off the gas a little while driving, get back into the gas, it starts missing on cyls. 4 & 5. Cyl. 5 goes around 200 counts, no. 4 around 10 counts. Sometim... Trouble codes: P0300
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Fixes & Summaries for GM
Fix/Summary Answers
2002 Cadillac Escalade 6.0L Turn signals VIN: 1GYEK63N02
I appreciate all of you taking your time to try and help me with this problem. I followed some of your suggestions in trying an OE flasher, re-installing factory lights, makings sure bulbs were good and were the right ones, I triple check all the grounds I co...
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1972 Chevrolet C10 Pickup 6.6L Starting VIN: CCE242S140
a million thank's to everyone that help me with this project,if it wouldn't be for all of you I could not get it done.tha wiring diagrams were right,I don't have much to explain on this fix because all I have to do was properly attached and connect wires and c...
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2002 Chevrolet Suburban 1500 LT 5.3L L/R window VIN: 1GNFK16Z72
Customer lit me on fire-lol.She assumed that i had the answers in my back pocket and couldn't understand why I was going to charge for more diag. time. We met on common ground and sent her packing to another shop.Sorry I could not say what fixed this vehicle, ...
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2003 Chevrolet Silverado 1500 5.3L Limp Mode VIN: 2GCEK19T23
Bruce from Ontario nailed it. This thing did have a remote start and customer was starting with the remote when problem occured, (which he didn,t tell me at first) so I added a relay from the ignition power on from the remote start and ran a wire all the way t...
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2003 Chevrolet Malibu LS 3.1L Hesitation, Surge VIN: 1G1NE52JX3
This was a more straight forward fix than I expected. I initially thought the MAF was bad and was surprised when the car ran worse when it was disconnected. Alas, the exhaust 'flow' that I was getting was not enough under load. I have NEVER seen that much back... Trouble codes: P0300 (Random misfire-this code is intermittant and have miss history only on cyls 2 4).
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2004 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GCEK19Z54
Thanks for the help. We found that when he washed his wheel wells that the computer on the fender had cracked wire's and were getting wet. Repaired wire's and could not get problem to repeat. Trouble codes: P0300 (Random misfire).
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2004 Chevrolet Silverado 2500 HD 6.6L Oil Pressure Guage VIN: 1GCHK23184
thanks to all who replied, and for your help. two injectors were leaking into oil. pulled all and had them tested and repaired. changed oil and all is well.
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2006 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15X46
sorry for the delay,i was in the hospital for 4 days with health problem.thanks to all whe to replied.the van can be returned to the client whithout repair bigcauce i was out for few days.i think the problem is pcm ,no exaust problem finder,vaccum iridenin 1... Trouble codes: P0507, P0420, P0430.
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2005 GMC Sierra 1500 SLE 4.8L engine VIN: 1GTEK14V55
THANK YOU ALL FOR THE HELP. AFTER SPENDING HOURS TRYING TO NAIL THIS DOWN I BROKE DOWN AND CALLED THE IATN HOT LINE. I TALKED TO CHRIS WHO ADVISED ME TO CHECK POWERS AND GROUNDS TO THE BODY CONTROL MODULE. THE PROBLEM WAS PRESENT DURING THIS TIME AND FOUND FLU...
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