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Prev Professional Automotive Repair Technical Discussions for July 3, 2014
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Open Help Requests for GM
Help Request Answers
1996 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Hesitation VIN: 2GCEK19RXT
Any help would be greatly appreciated. My customer brought this truck in to me after 3 other shops kept throwing parts at it. The truck has a rolling/surging idle only in gear at a stop. If the A/C is turned on the problem goes away. I have smoke the engine 4 ...
2001 Chevrolet Impala 3.4L spark VIN: 2G1WF55E81
car came in with po128 po135 p1404 p1345 I replaced o2 sensor 1 & 2 converter & thermastat. car was running grate .on the way to return the car it quit.So I returned to shop & have no codes .Had coolant leak So I replaced water pump crank & cam sensors tryed t...
2002 Chevrolet Express 2500 5.7L smog monitors VIN: 1GCGG29R92
hello we have this van customers states he needs van to run monitors to get ready for smog he stated he drove it 4 hrs and no more of them have ran this a half cng van and half gas I clear all monitors and tried again I get the same ones to run again and then ...
2004 Chevrolet Silverado 1500 5.3L Misfire VIN: 2GCEK19T64
Vehicle came in for a misfire issue and code p0300 was found. Went throught all the ignition components and all were good. Monitor misfire counter and found cyls. 5 and 6 to be misfiring constantly. Checked intake for leaks and found leaks at 5 and 6 runners. ...
2007 Saturn Outlook XE 3.6L The front passenger's power window is inop VIN: 5GZER13767
Vehicle came in with the right front power window not working from either switch. The switch would buzz when operating it from the passenger's side but nothing happened when activating the driver's side switch. Replacing the switch changed nothing. Found that ...

Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Silverado 1500 LS 5.3L Poor Idle Quality, Misfire VIN: 2GCEK13T24
Well would have never had guessed this one. Was checking scanner again, and found that the voltage is falling of on the system. the alt was dropping as low as 12.1 volts with the air on n gear at idle, and the lights on. r and r alt. volt back 2 normal. and ... Trouble codes: P0101, P0300, P0171, U1000.
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