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Prev Professional Automotive Repair Technical Discussions for May 23, 2009
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet C3500 Cheyenne 6.5L timing marks VIN: 1GCHC33F4R
Hi, chevy diesel techs I have one question regarding the timing, I'm putting this engine back together and mitchel does not mention wether to move the crankshaft 180 degres to aligt I do have my chain installed and the crank to cam marks aligt as per mitchel b...
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1997 Chevrolet C1500 Cheyenne 5.7L Delayed Shift and a no start VIN: 2GCEC19R6V
This is my next door neighbors truck who doesn't speak English very well. He states he was driving along and the transmission had a delayed/harsh shift and the check engine light came on. He brought the truck home and tried to start it the next morning and it ...
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1999 Chevrolet K2500 5.7L Excessive Emissions, Cuts out VIN: 1GCGK23R0X
Hello I need some input. Customer brings his truck in after installing rebuilt engine he bought truck not running. Falls on its face under load I check cam retard per request at -13 , adjusted to 0 . no help customer has replaced all fuel system including spid... Trouble codes: P0138
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2003 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, Cuts out, Stall, Misfire VIN: 3GNFK16Z73
Hey you GM guys, Need some help on this 03 Chevy Suburban, Starts hard and is running on 4 cylinders (#1,#3,#5,and #7)also sounds like a diesel when it idles, no codes, Just need some direction as to were to start, Hoping someone has had a similar problem and ...
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1995 GMC Sonoma SL 2.2L Excessive Emissions VIN: 1GTCS1449S
this truck has high nox reading at 15 mph, the coolant temperatrue is 190'f, the fuel pressure are little high, the lambda are 1.035. af ratio 15.22, it's little lean, i double check the vaccum and exhuast twice, measure there no leak. thanks every one read th...
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Fixes & Summaries for GM
Fix/Summary Answers
1997 Cadillac DeVille 4.6L No Start
THIS IS A SHOP THAT NEEDS TO CLOSE DOORS... VIA ALOT OF GOOD SUGGESTIONS.. I FOUND MANY INSTALL MISTAKES CORRECT 7 ...STILL NO FIRE. COUPLE SUGGESTED TO CUT CRANKS WIRES ONE AT A TIM [...] THOUGH..I S...
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2001 Chevrolet Impala 3.4L No Start VIN: 2G1WF55E31
What we had here was a case of bad gas!! I checked the fuel from the volume test and it was very yellow and felt almost like brake fluid. I had pulse, spark, and good fuel pressure. I pulled out the pump sucked out all of the gas I could and added fresh gas an... Trouble codes: P189.
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2004 GMC Yukon SLE 5.3L Power Seat/Heated Seat VIN: 1GKEK13Z04
After a little more homework, including replies to my post, it was determined that this module does need to be programmed/calibrated using a download from GM through the Tech II. The parts dept. of the local dealer was unaware of this procedure and therefore ...
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2003 Pontiac Vibe 1.8L Warnng lamp VIN: 5Y2SM62833
Not much help here I'm afraid. Thanks to Brian for suggesting disconnecting the lamp control wire from EBCM to IPC to eliminate an IPC issue. The EBCM is keeping the light on until car moves, as if doing a system check that needs speed input to complete. But I...
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