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Professional Automotive Repair Technical Discussions for April 13, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1982 Chevrolet Corvette 5.7L Cuts out VIN: 1G1AY0708C This car will flood the front throttle body after a WOT acceleration. The injector pulse stays at full ground even after the throttle pedal is released. The rear TB injector pulse goes back to normal every time. The ECM has two seperate injector driver curcits... |
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| 2005 Chevrolet Colorado Z85 3.5L Engine VIN: 1GCDT19675 Vehicle came in with ck engine light to diag. C0017 crankshaft position correlation bank 1. Found vvt solenoid stuck, replaced. Still have same code. Then replaced exhaust timing cam sprocket. This fixed this problem, but now have low oil pressure at idle. Rep... |
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| 2003 Saturn Ion-2 2.2L Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 1G8AJ52F13 Good evening to all This vehicle came to shop missing really bad.I hooked up modis and came up with misfire on 3 and large evap leak checked compression in all cylinders it is 175 lbs.,replaced coil pack (battleship),plugs,module,and coil pack boots.Disconnect... Trouble codes: P0455, P0300, P0303 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1997 Chevrolet K2500 Suburban LS 7.4L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 3GNGK26J3V ok, I replaced the knock sensor on the left side. that helped, then switched back to the original MAF , that too helped..as turned out the one we put on it was from a 5.7L and must be different calibration...I thought it was indeed running a lot better. Howeve... Trouble codes: P0154, P0327. |
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| 2003 Chevrolet Silverado 1500 5.3L Transfer Case VIN: 2GCEK19TX3 Had to have the tccm reflashed and also found the shift motor to be weak and not shifting the transfer case all the way into 4x4. |
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| 2011 Chevrolet Silverado 2500 HD LTZ 6.6L Airbag light on VIN: 1GC1KYE84B Thanks for all the great info and tips. Tested Roof AirBag circuits between SDM and Airbags that set DTC's, Body shop did not install the CPA clips in either connector for Roof Airbags. They didnt think they were needed. They found some to install, then it w... |
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