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Prev Professional Automotive Repair Technical Discussions for February 6, 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
1993 Chevrolet Beretta 3.1L No Start VIN: 1G1LU13T8P
This one has me head scratching, It runs fine on cold start up- It will die when it wants to sometimes but more importantly, when you go to re-start it warm, it acts like the plug wires are around the wrong way, timing is out of wack, and it backfires...I scop...
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2004 Chevrolet Cavalier 2.2L No Start, Poor Idle Quality VIN: 1G1JC52F04
I am attemping to get this cavalier to idle when it is cold . When the engine is cold the iac counts are 0 and you must be the iac. At this time the car runs extreamly rich (black smoke ) After about 5 min the car will begin to take over idle control the iac c... Trouble codes: P0506, P0507
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2005 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19B55
Greetings to all this truck sets codes for cam signal low scoped sensor signal had 500mv signal checked for b+ at sensor had 12 volts checked ground no problems found aftermarket sensor in truck.installed oe sensor drove for forty miles no problem customer com... Trouble codes: P0342
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1995 Oldsmobile Aurora 4.0L Mechanical VIN: 1G3GR62C3S
Hello Guys, This car towed in from a different auto shop, looks like its leaking oil&anti-freeze from the cylinder head gasket by the firewall , i can see where is the leak from, when pressure the coolong system it drips oil&antifreeze together over the exhaus...
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1995 Pontiac Grand Am SE 3.1L Hesitation, Cuts out, Poor Fuel Economy, hot exhaust
Well, I have this grand am that idles decent now that I tuned it up, but same as before the tune up, when load is increased, it falls on its face. I have done a fuel pressure test at idle and the pressure and volume are good. I have not checked them under a lo... Trouble codes: 28 (trans range sensor error)
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2005 Saturn Vue 2.2L Surge VIN: 5GZCZ23D15
This Saturn is getting on my nerves! A 05 Vue 2.2L / 5 speed has a surge or buck on hard acceleration. There are no codes shown, however, the speedo jumps all over the place when it does surge. I replaced the speed sensor hoping that might have been the prob...
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Fixes & Summaries for GM
Fix/Summary Answers
2001 Chevrolet Silverado 1500 4.3L Surge, Cuts out, Misfire VIN: 1GCEC14W51
Thank you all for the great advice. Tom with checking crankshaft end play(which was minimal), Don for checking the Ip circuit(which was clean), Joe for checking on sticky valves(vacuum was steady at all times, including the occurrence). Even had 21 inches @ id...
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2005 Chevrolet Suburban 2500 LT 6.0L Transfer Case VIN: 3GNGK26U05
MY CUSTOMER HAS NOT COME BACK FOR REPAIR,MY NEXT MOVE WOULD BE TO CHECK THE ENCODER MOTOR CIRCUIT,SHOULD WE GET A DIAGNOSIS AND REPAIR I WILL REPOST THANKS TO ALL REPLIES.
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2000 GMC Yukon XL 1500 SLE 5.3L cluster VIN: 3GKFK16T4Y
AFTER CHECKING MY POWERS AND GROUNDS TO THE CLUSTER WE WENT AND INSTALLED A REMAN ONE FROM DEALER AND ALL IS WELL THANKS TO ALL REPLIES.
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2003 Pontiac Grand Am GT 3.4L No Start, only when cold inter VIN: 1G2NV12E83
To all who helped with this thanks again, I could not done it without your help! turns out it was a voltage problem in the fuse box. the wire that supplies voltage to the fuse box from the ignition switch. Found it with a voltage drop on the pink wire from the...
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2000 Saturn SC1 1.9L timing cover VIN: 1G8ZP1285Y
As usual guys are the best of the best.iatn is the best thing that ever happen to the automotive industry. Thanks guys for all the great advice,it turned out to be rusty dowells holding the cover tight.(A New Jersey shore car)But I learned alot from the great...
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