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Professional Automotive Repair Technical Discussions for May 6, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1999 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNDT13W8X Came in from state e-check failure for MIL on + random/multiple misfire code p0300 noticed quickly that rough running, tech2 shows #1 missing as eng trying to warmup ,then #3 also misfire counts, then,not run too bad, maybe miss some at med load. Noticed Bank1... Trouble codes: P0300 (MULTIPLE misfires), P0135 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Chevrolet Silverado 1500 LS 4.3L Oil pan gasket VIN: 3GCEC14X76 I think this one is fixed. Before replacing anything I checked crankcase pressure at the dipstick tube with my vacuum/pressure gauge. I found basically atmospheric pressure...it would spike into vacuum or pressure randomly when I snapped the throttle wi... |
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