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Professional Automotive Repair Technical Discussions for July 20, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Chevrolet Trailblazer LT 4.2L front axle actuator VIN: 1GNDT13S86 I had this vehicle come in with the service 4x4 light on solid on the dash. The vehicle had code c0379 front axle circuit malfunction. I tested the power and ground for the circuit i had 11.8 volts on the brown power wire and a good ground on the black wire. T... |
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| 2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F47 Help time! Have this cobalt with P0651. On this car #2 five volt reference circuit feeds app 1, tp sensor 1+2 and the ckp. The problem is very intermittent and i have not been able to reproduce it. customer complains of a slight shudder when it happened. check... Trouble codes: P0651 (5 volt reference 2 circuit) |
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| 2007 Chevrolet Colorado LT 3.7L Mechanical VIN: 1GCDT13E67 Customer brought truck in complaining of a coolant leak. Found head gasket leaking coolant all the way around. Customer stated they had had the engine "rebuilt" 2 days prior at a shop in North Dakota and then drove 1300 miles straight to our shop in Arizona, s... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1998 Chevrolet K2500 Cheyenne 5.7L Excessive Emissions, Poor Fuel Economy VIN: 1GCGK29R3W Thanks to the many who took the time to reply. I am sorry to say that this one is not fixed. At least not to my satisfaction. The customer is satisfied that it runs well and doesn't want to spend any more time or money on it. A rundown of the suggestions that ... Trouble codes: P0172, P0175. |
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| 2005 Chevrolet Suburban 1500 Z71 5.3L Misfire VIN: 3GNFK16Z35 I replaced the f pump and got the pressure within specs (regulator in assy. due to being flex fuel) I wasted my update with the cyl. leak down test LOL it was supposed to say "10%" not 0%...anyways I checked it again and got it to go to 5% by moving the air fi... Trouble codes: P0300 (Random misfire). |
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