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Professional Automotive Repair Technical Discussions for April 18, 2018 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2009 Buick Lucerne CX 3.9L traction controll VIN: 1G4HP57129 customer complaining of abs/traction controll false activating mostly traction controll when starting from a stop. scan showed code c0035-0f L F speed sensor erratic.test drove while monitoring all wheel speeds and found left front jumps from 4 or 5 mph to... |
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| 2007 Chevrolet Impala LS 3.5L No Start, Cuts out, Stall VIN: 2G1WB58KX7 Im getting P0016 and P0172 codes. This Impala will intermittently stall and is very difficult to restart, if it sits a couple minutes it will start up and run fine until the problem occurs again. Fuel pressure is good-60 psi when this happens. Scanner show... Trouble codes: P0016 (CKP-CMP correlation), P0172 (Fuel trims rich) |
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| 2007 Chevrolet Corvette 6.0L Clutch VIN: 1G1YY26U57 Is there an easier way (shortcut)to pull the manual trans to do a clutch job, rather than the 11.8 hrs. Suggested by mitchell |
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| 2009 Chevrolet Impala LT 3.5L imput speed sensor VIN: 2G1WT57NX9 Vehicle came in with SES light on. Pulled code P0717.Tested sensor resistance and wiring,all normal.Tested for voltage out of sensor,has voltage with trans in neutral,scanner shows input rpm in neutral.Scanner shows no rpm on acceleration when in gear.Afte... |
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| 2009 Chevrolet Traverse LT 3.6L Rear upper control arm? VIN: 1GNER23D59 I haven't done alignments in years & never had the need to check this part of this particular type/model vehicle until now. Don't have another one close or I would satisfy my curiosity by comparing it. This is a FWD not an AWD. This is my moms & in spit... |
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| 2010 Chevrolet Traverse LT 3.6L Engine Misfire VIN: 1GNLRFED0A Customer brought vehicle in concern is "engine running rough" looked at scanner and we have codes P0300 and code P0304 Cylinder 4 misfire. Customer replaced all spark plugs and coils. Started diagnoses by swapping coil and plug from cylinder 4 to cylinder ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Buick Enclave CX 3.6L Misfire VIN: 5GAER13D09 Scan data showed CKP glitching. Scope pattern at CKP looked perfect. Scope pattern at ECM looked perfect. Borrowed ECM from another car in shop. Scan data showed clean pattern. Got a salvage yard ECM and all is good. Thanks to all that replied. |
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| 1997 Chevrolet K1500 Cheyenne 5.7L Unknown VIN: 2GCEK19RXV havent gotten the chance to doany further testing or work on the truck so i am closig this |
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