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Professional Automotive Repair Technical Discussions for July 5, 2019 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1972 Chevrolet C20 Pickup 5.7L Excessive Emissions VIN: CCE342Z157 The Problem is excessive HC at idle. Everything else is okay. There is no catalytic converter. We have set the carburetor idle jet screws to 2 turns out, from 3 turns out. The engine compartment is very clean and easy to work on also. The spark plug wires ... |
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| 2009 Chevrolet Silverado 1500 LT 5.3L Mode Actuator VIN: 1GCEK29049 I have a real problem. The Mode Actuator will not move! I have no trouble codes. I replaced the Mode Actuator with a CQ Unit. Check all fuses (Not Just #55 & #39 & #48) Before you say get a GM Actuator, I also have a 2009 Silverado and I pluged the out OEM... |
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| 2012 Chevrolet Silverado 1500 LS 4.8L abs/traction light VIN: 1GCRCREA4C We initially had these 3 steering angle sensor codes (C0710, C0253, C0455). We cleaned and applied dielectric grease and a shim to the connector to see if this eliminated the problem per TSB. No help. We were setting the code as soon as you moved the steer... |
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| 2010 GMC Yukon Denali 6.2L MIL Lamp on VIN: 1GKUCEEF9A Has anyone come across this code p3400 ( cylinder deactivate Trouble codes: P3400 (Cylinder deactivate) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Chevrolet Corvette 5.7L PASS Key VIN: 1G1YY2387L As most mentioned, I followed thru on making 6 different resistors, using one at a time, waiting the 5 minutes, the car started. If those 6 didn't work I would of made more until I found the correct value Better to use resistors rather than trying to dial ... |
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