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Professional Automotive Repair Technical Discussions for January 13, 2020 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2010 Cadillac SRX 3.0L fuel trim VIN: 3GYFNGEYXA need help with the dreaded GM 3.0 GDI engine "rough idle" issue. scan data shows LTFT bank 1 around -18. It does improve when running i.e. -11. the following fixes have been attempted. Bank 1 sensors replaced, including cam sensor and actuator. crank senso... |
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| 2013 Cadillac SRX Luxury 3.6L Unknown VIN: 3GYFNCE32D Hello all. I need help with this cadillac. It came in with a floating to floor brake pedal after emergency stop. 4 wheel disc system. Checked all brake linings and calipers. No leaks. Verified pedal floating to floor. Replaced master cylinder with factory ... |
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| 1996 Chevrolet C1500 Cheyenne 5.0L Master Cylinder VIN: 1GCEC19M3T Good afternoon Techs. Have this 96 C1500 with a good brake pedal most of the time. Sometimes it will go almost to the floor and you can let off and hit it again to have full pedal. Feels like the master cylinder is by passing through the first circuit. It ... |
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| 2004 Chevrolet Monte Carlo SS 3.8L No Start VIN: 2G1WX12K94 Car came in with complaint of unwanted ABS activation, instruments going crazy, inop turn signals, buzzing from flasher when using turn signals, and multiple warning lights like ABS / traction / airbag light. The car did start and run fine otherwise. Repla... Trouble codes: B2958 (Security system sensor data circuit high), B2964 (Key in ignition circuit high) |
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| 2010 Chevrolet HHR LT Panel 2.4L No Start VIN: 3GNBACDV9A replaced battery and cracked oil pan. lights on dash all work, theft comes on then cycles off. no crank. car ran fine before cracked oil pan. knew had weak battery. with scanner connected, voltage at dlc, will not communicate with any module. all fuses hav... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 GMC Canyon SLE 2.8L MIL Lamp on VIN: 1GTCS14856 All of the responses were thoughtful and informative. Steve [...] directed my attention to the cam phaser. The Youtube videos by South Main Auto Repair are an excellent resource. I measured the timing chain... Trouble codes: P0017 (Ckp sensor). |
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