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Prev Professional Automotive Repair Technical Discussions for July 2, 2014
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for GM
Help Request Answers
1994 Buick Century Special 3.1L Coolant Gauge VIN: 1G4AG85M1R
Customer complained of vehicle overheating according to temp gauge. He stated the gauge ran at the edge of the red and would drop to between half and 3/4 then go back to edge of red. I am able to read the temps on the Solus Pro and the radiator fan is engaging...
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1994 Cadillac Eldorado Touring 4.6L blower motor VIN: 1G6ET129XR
I'm helping a friend at his shop. I'm an ex. GM guy with some Cadillac experience. Blower inop, Followed blower inop chart and went thought the on board diagnostic system. All on board seems normal with no ACP codes, hvac data looked normal and I did the overr...
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2004 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Misfire VIN: 2GCEK13T24
Customer brought the truck n and said it had a mis. scanned it and found p0101, p0300, p0171, u1000. it has just a slight miss at idle n gear with the a/c on. checked compression was good, checked fuel pressure was n spec. did some looking around and could onl... Trouble codes: P0101, P0300, P0171, U1000
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2005 Chevrolet Cobalt LS 2.2L emission VIN: 1G1AL52F25
power to ventconrol valve was stuck open
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2008 Chevrolet Tahoe Hybrid 6.0L Tdm Pcm VIN: 1GNFC13598
Hello Everyone have a head scratcher here. One owner long time Costumer, he lost his key the last (one.) Truck come on a hook .I had an old key cut ad to ignition switch started to program to the truck it did not learn the key. B3935 b3031 So I ordered new ke...
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2010 Chevrolet Impala LS 3.5L Rr Speed Sensor VIN: 2G1WA5EK2A
Hi, everyone, car came in with abs and traction lights on. Upon comp. Diagnostic and physical tests notice damage to connector! so we installed a new one clear the code , test drive with live data , every thing looks good.she is back for same problem , test d...
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2010 Chevrolet Tahoe LS 5.3L Unknown VIN: 1GNUCAE03A
This is a repeat customer of mine. Story goes, they had aftermarket fog lights installed and customer claims that ever since then, the vehicle has been acting up. Symptoms are like it loses they data bus somewhere. Guages start flickering and going crazy, all ...
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2010 Chevrolet Corvette 6.2L MIL Lamp on VIN: 1G1YD2DW2A
this is my son-in-law's car. he bought it new in california even though he lives in illinois. they flew out and picked it up and drove it back. it was the only place he could find the car he wanted. since he got it he has had a series of electrical problems, n... Trouble codes: P0641 (5 volt reference circuit A)
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Fixes & Summaries for GM
Fix/Summary Answers
1988 Chevrolet C1500 Cheyenne 5.7L Cuts out, Stall VIN: 2GCEC19K5J
thanks all for the replies but after days of scratching head and getting frustrated, I found that when customer installed their own fuel pump prior to getting to my shop they had left a piece of the rubber hose from pump to module in the line and upon accelera...
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2003 Chevrolet Silverado 1500 4.3L Unknown VIN: 1GCEK14XX3
I HAVE ALWAYS PREACHED THINK SIMPLE & DO NOT LET YOUR EYES FIND THE PROBLEM PUT YOUR HEAD IN GEAR ALSO. SOME OF YOU WERE RIGHT THE PROBLEM WAS IN THE REAR DRIVE SHAFT JUST BECOUSE IT LOOKS GOOD DOESN'T MEAN IT IS. I THANK ALL THAT REPLIED TO MY HELP REQUEST TH...
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2006 Chevrolet Silverado 2500 HD LT 6.6L Cooling Systems VIN: 1GCHK23D26
God bless iatn and all its members.Special thanks too all that replied too my help request.The oil cooler was the problem,the housing with to bolts two nuts and two gaskets,however could not get it out by itself had to remove hole housing wasn't enough room to...
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2006 Chevrolet Impala LT 3.5L engine misfire at idle VIN: 2G1WT55K86
hey guys thanks for all the info. you really put me where i needed to be. preformed a running compression test. readings very low.also preformed leak down test. found 60%leakage on exhaust.tore done and inspected lifters and cam.all good. pulled intake and exh...
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2002 GMC Envoy SLE 4.2L power loss in revers VIN: 1GKDT13S02
I'm calling this one fixed. I reveiewed all the replies and still found no problem. Range switch OK, no loss of any pids. After putting on other throttle body and still no codes, I decided to do a global reset on the vehicle (key off, battery cables clamped...
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1998 Oldsmobile 88 Royale 3.8L No Start, Stall VIN: 1G3HN52K4W
Thank you all for your replys. I should have been more clear on the ground side of the connector, The wiring was good when measured from bat + to ground side. I ended up having 2 issues, a bad new MAP sensor and an ignition module. Thank you again for all your... Trouble codes: P0108, P1106.
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