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Prev Professional Automotive Repair Technical Discussions for August 29, 2013
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Open Help Requests for GM
Help Request Answers
1988 Chevrolet C1500 Silverado 5.7L 1-2 shift VIN: 1GCDC14K6J
This is my vehicle and I recently rebuilt the trans in this thing. It's a 700R4 without the aux. valve body and what occurs is it will shift to 2nd and under light throttle it make a weird grinding type noise which I assume is clutch chatter. If you are under ...
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1990 Chevrolet V1500 Suburban Scottsdale 5.7L Poor Idle Quality, Stall
New customer explained motor has 15,000 on it, recentily had another shop trying to correct idle, Main problem is I have forgotten any thing I most everything I knew about these systems and need you guys to refesh my memory so I can diagnose it properly and no...
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1998 Chevrolet S10 LS 2.2L Cuts out, Stall, Misfire VIN: 1GCCS1944W
when we start up and step on the brake enjine dies, when we take the brake lite fuse out and step on the brake and put gear slector in reverse enjine dies. Any help? Trouble codes: P0355
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2007 Chevrolet Express 2500 4.8L Poor Idle Quality, Misfire VIN: 1GCGG25V57
Vehicle in shop for Check Engine light on, scanned computer and code P0300 stored. Scanned misfire counters and only cylinders 7 and 8 show misfires, cylinder 8 has 100x more misfires counts. The idle speed is normal but slightly rough, the motor will smooth o... Trouble codes: P0300 (Random misfire)
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2002 GMC Envoy SLE 4.2L Air Duct Flow VIN: 1GKDT13S12
Drivers side air is coming out of vents as requested. Pass side only comes out hot. Don't know where to start. Don't really want to out source the job. Need help. Has dual temp controls. Thanks al
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1994 Oldsmobile 88 Royale 3.8L Misfire VIN: 1G3HN52L3R
This problem started about a few days ago.the car was quitting when it got hot.i changed the crank sensor and all seemed ok.a few days later it started to missfireon number 5.i changed plug and wire .car drove and ran good. Went to town about 5 miles seemed fi...
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Fixes & Summaries for GM
Fix/Summary Answers
1992 Chevrolet C1500 Cheyenne 5.7L Converter VIN: 1GCEC14K6N
Thanks for the replies. Some guys are still blowing thru the help request without reading it thoroughly and then giving a response that doesn't apply. Big thanks to the ones that understand the request and take the time to give input. After replacing pump i...
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1999 Chevrolet K2500 5.7L MIL Lamp on
I would like to extend a heartfelt thank you to all who took the time to offer their input. I was concerned with the fuel pressure readings taken and not having a similar vehicle to test, I reached out to my fellow techs. The majority concluded that the runnin... Trouble codes: P0171 (lean bank 1), P0174 (lean bank2).
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2006 Chevrolet Colorado LT 3.5L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GCCS19636
this one is not fixed yet i have added more techs to the problem and we will still be working to find the problem and hopefully i will be able to share the info i learn it has got to be some thing simple that i overlooking but still in reduced power mode and n... Trouble codes: P0122, P0222.
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1992 GMC C2500 Sierra SLE 5.7L Poor Idle Quality, Stall VIN: 2GTGC29K7N
thanks everybody who suggested fuel pump the was the culprit, even though alldata info on fuel pressure was 9-13, which i had 11 and flow was good. new pump and vehicle is happy.
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2003 GMC Sierra 1500 HD SLE 6.0L Drive-axles VIN: 1GTGK13U13
FIRST THANKS TO ALL THAT REPLIED TO MY REQUEST. MANY OF YOU SUGGESTED A DIFFERENCE IN TIRE CIRCUMFRENCE. SINCE I PUT NEW TIRES ON THE TRUCK A YEAR AND A HALF AGO I DIDNT CONSIDER THAT POSSIBILITY. I MARKED ALL THE TIRES AND ROLLED THE TRUCK FORWARD ABOUT 40 FE...
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2003 GMC Yukon SLE 5.3L cruise control VIN: 1GKEK13Z43
lots of good replies to this concern, nick hit the nail on the head, I should have known better, vehicle has aftermarket taillight housings and only the brake light bulbs were LED. install OE bulbs and cruise working fine. the 5 volt reference coming out of th...
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2003 GMC Savana 3500 6.0L power lock VIN: 1GTHG39U83
Sorry I forgot to close this earlier. I did find the problem - there was a radio mounted under the passenger seat. it was fastened to the floor with sheet metal screws - one went right through a harness under the mat. Someone had pulled the seat and radio out ...
3
2003 Pontiac Grand Am GT 3.4L Misfire VIN: 1G2NW52E03
We tried swapping coils which did not change anything. The fuel pressure regulator had been previously changed. I sold this car to my mechanic and it looks like he is going to drive it for awhile until it gets worse. At this point it uses a little coolant a...
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