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Professional Automotive Repair Technical Discussions for June 16, 2021 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1985 Chevrolet K5 Blazer Silverado 5.7L Misfire VIN: 1G8EK18LGF Hi guys, I am writing for another tech in shop, I will try to relate what I know. This is an 1986 K5 blazer wit a 5.7. It misfires at times. In the course of the repair, the dist was replaced. The original dist had the 4 wire connector for the ESP with n... Trouble codes: 41 (spark) |
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| 2007 Other GM VE 3.6L Hesitation, Stall VIN: 6G1EK55B67 This car came in our shop with CEL ON and customer complain of sometimes hesitation when accelerating first thing in the morning and engine dies. We kept the car for 2 days but could not repeat the problem. Also complained of the traction control light com... Trouble codes: P2176 (Min. Throttle Position Not Learned), P0101 (Mass Air Flow Circuit Out Of Range), P0563 (System Voltage High), P0687 (Engine Controls Ignition Relay Control Circuit High), C0561 (System Disabled Information Stored), B1325 (Power Supply Voltage Low) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2009 Cadillac Escalade Hybrid 6.0L Pscm VIN: 1GYFK43569 Thanks to all who replied, I went through and checked again and followed your steps. What did fix the truck was a Tech 2 scan tool. I had been using the Autel IM906 because my NEW snap on Triton didn't offer the torque sensor calibration. But luckily the Tech ... |
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| 2002 Chevrolet Tahoe LS 5.3L 1-2 shift VIN: 1GNEC13Z62 As always, thanks for the replies. After driving for a few days, code p0740 (tcc solenoid circuit) appeared. We replaced the solenoid, changed the filter and fluid for good measure, and the truck is fixed! |
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| 2012 Chevrolet Impala LT 3.6L MIL Lamp on VIN: 2G1WB5E34C I DID close this with a fix, READ what my response/update was Trouble codes: P0411 (Secondary AIR Systemincorrect air flow), P2440 (Secondary AIR shutoff valve stuck open), P2430 (Secondary AIR Pressure Sensor Circut BK 1), P2435 (Secondary AIR Pressure Sensor Circut BK 2). |
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