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Professional Automotive Repair Technical Discussions for June 27, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1991 Chevrolet Corvette 5.7L No Start VIN: 1G1YY2380M we sent ccm in for repair to bba. they cant repair sent us a rebuilt ccm. need procedure to program ccm with tech one and cartridges needed |
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| 1998 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions, Poor Fuel Economy VIN: 1GCGK29R3W vehicle has low power, has rich condition both banks, IAT would drop out, disconnected the MAF and the problem with the IAT went away. Replaced the MAF no more problem with the IAT. Checked the cam crank signal on the scope, looks good, checked the coil primar... Trouble codes: P0172, P0175 |
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| 2004 Chevrolet Silverado 1500 LS 5.3L ABS Control Module VIN: 2GCEK13T64 Hi GM Truck lovers, This Silverado came in with an ABS light on. Just the amber light, no red light. With the original module, retrieved a single DTC indicating a problem with the pump motor circuit. After testing the circuit, the module would no longer commu... |
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| 2005 Chevrolet Silverado 2500 HD 6.0L Long crank VIN: 1GCGC24U05 Need to see if anyone has in depth knowledge of CNG GM Bi fuel systems because service info is not much help. Strategy of system will attempt to start on CNG and then switch to gasoline after 8 seconds of cranking. (Gasoline fuel pump is actuated after the 8 s... Trouble codes: P0087 (Fuel rail pressure) |
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| 2008 Chevrolet Cobalt LT 2.2L Stall, Low fuel pressure VIN: 1G1AL58F98 So this car came in for stall at idle. i found low fuel pressure spec is 50-60psi key on ign off only have 28psi so i replace pump and filter with oe parts still have same issue with low fuel pressure has anyone come across this is the a fuel control module fo... Trouble codes: P0171 (Fuel trim system lean) |
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| 2013 Chevrolet Suburban 1500 LT 5.3L Air Conditioning VIN: 1GNSKJE74D Vehicle AC light flashes 3 times and the AC stops working. It is very intermittent. The codes in HVAC are: B0423-Temperature Control FeedBack Circuit Open Circuit B0228-Recirculate Position Feedback Circuit Open Cicuit B3782-Air Flow Control 10 Feedback Circ... |
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| 1992 Pontiac Firebird 3.1L electric VIN: 1G2FS23T4N No-crank condition soon after window motor replacement. Our tech found a visibly burnt ignition switch. Replaced switch to no avail. Tore down column to inspect wire to lock cylinder. Looked okay but replaced due to age since we were in there anyways. Pulled d... |
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| 2008 Saturn Vue XR 3.6L Pressure Control Solonoid VIN: 3GSCL53708 We now have a code p2723. Vehicle seems to shift ok one time up thru gears cold. When coming down gear it just lets go. Key off, wait 30 seconds, works ok for short time again - 15-30 seconds then fails again. Starter watching solenoid on scanner and see glitc... |
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Fixes & Summaries for GM
| Fix/Summary | Answers |
