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Prev Professional Automotive Repair Technical Discussions for October 1, 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
2000 Chevrolet Blazer LS 4.3L Hesitation, Misfire VIN: 1GNCT18W7Y
Runs rough and hesitation.under load improves within a few minutes.distributor replaced to correct injector timing.vehicle sets codes when induced but with no ses light.coil and coil wire replaced with no fix.fuel filter changed.wires and plugs test in within ...
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2002 Chevrolet Silverado 1500 4.8L lamp VIN: 1GCEK19V12
I keep telling myself to quit playing with car lot scrap, but too late! This truck came in with abs lamp on- codes co225, c0226, c0227, c0265 , co281. Replaced both front sensors.Left front had been cut by installation error, the signal to the right sensor loo...
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2007 Chevrolet Equinox LS 3.4L Case Seal Replacment VIN: 2CNDL23F77
What is required to replace this INNER case seal? Can the outer cover be removed and this seal replaced without disassembling the transfer case? Or are we going cause problems? Alldata is no help with this.
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2007 Hummer H3 3.7L trip odometer VIN: 5GTDN13E57
speedometer works, no trip odometer count, no mileage change on odometer, dash unit tested good,placed ecm, no error codes found
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1989 Pontiac Firebird Formula 5.7L No Start VIN: 1G2FS2185K
arrived at shop with intermittent no start. battery passed VAT test. cranking voltage is about 9.8 VDC.charged battery and car started. next morning it would not start again. battery passed VAT test. put in a new battery anyways. still was a cranker. spark str...
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Fixes & Summaries for GM
Fix/Summary Answers
2004 Chevrolet Express 2500 LS 6.0L No Start VIN: 1GCGG29U14
Andrew you were right found ground strap broken into. Repaired got communication, still had only 2volts to circuit A11. Found mass connector under IP had cororsion. Clean recheck all good. Thank you all for your help, as we all know sometimes we pull our hair ... Trouble codes: P1626 (Anti theft system fuel enable), U1041 (Loss of EBCM communications).
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2002 GMC C7500 Topkick C7H042 8.1L code P1663 VIN: 1GDM7H1E72
Thanks to Jay [...] replaced the burned out bulb and the code does not come back on. Thanks for the help. I appreciated it very much. Trouble codes: P1663 (Change engine oil lamp control circuit.).
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