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Professional Automotive Repair Technical Discussions for April 5, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2000 Chevrolet Silverado 2500 6.0L No Start VIN: 1GCGK29U2Y I have inherited this vehicle from 2 previous mechanics. The truck ran fine, but was parked for 2 months awaiting parts for suspension issues. When those parts arrived, and the vehicle was started to move into shop, truck would start and die immediately, as in... |
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| 2002 Chevrolet Silverado 1500 4.8L Mechanical VIN: 1GCEC14V82 Customer states when driving the brake pedal feels hard and the brakes lock up or you can say their applied, This is after its been driven for awhile. We replaced the hydo boost and now he says its worse and does it sooner then before, we installed a Cardon re... |
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| 2003 Chevrolet Trailblazer North Face 4.2L No Start, fuse 28 PCM 1 blown VIN: 1GNDT13SX3 Ok all, Here we go, this SUV came in on a hook with a no crank condition, customer stated it keep blowing the pcm 1 fuse (#28) in underhood fuse box. pulled wiring diagrams and found it feeds coils, pcm, and injectors so we did a process of elimination, discon... |
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| 2007 Chevrolet Impala LT 3.5L oil light comes on VIN: 2G1WT58N57 hi everyone we have checked the oil pressure on this car with 2 different manual gauges and have found the oil pressure to be within spec at idle and under a load. we have changed the sensor 3 times ending with one from the dealer and the problem is still pres... |
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| 2005 GMC Sierra 2500 HD SLE 6.6L Hesitation, Misfire VIN: 1GTHK23275 The vehicle will feel like it is misfiring between 45 MPH and 55 MPH between 1350 RPMs and 1500 RPMs with slight throttle increase. It will not misfire in the bay, and I can throttle through 1500 RPMs and it will stop. The vehicle has no other symptoms that I ... |
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| 2003 Saturn Vue 2.2L no shift, no communication to ecm/tcm VIN: 5GZCZ33D33 Another shop dropped this one off saying car dealer requested transmission. so we swap the transmissions out. finished job, fired right up and test drove. NO SHIFT. service engine light on. plugged in scanner and error. tried other scanner. error. automatic se... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Cadillac Escalade 6.0L Cruise Control VIN: 3GYEK63N23 The rear brake light had aftermarket LEDs and resistors installed. The bulb check could not be performed causing the system to think the stoplamp switch was always applied. Removed lights and installed correct bulbs. All systems working correctly. |
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| 1998 Chevrolet Metro LSi 1.3L MIL Lamp on VIN: 2C1MR5291W Apparently these metro's all show 1.275 volts, until you get the car up to operating temperature, and drive the car over 50 miles per hour. Once I found that out I was able to see a normal reading on the downstream 02 sensor. Turned out my PCV valve was b... Trouble codes: P0420 (Catalyst Efficiency Below Threshold). |
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| 2007 Chevrolet Corvette 6.0L instrument clus VIN: 1G1YY36U87 ok we never checked this car very well other than the engine knocking when it came in the guy that owns it just bought it and hadn't put a hundred miles on it before the engine went so what we found was there is a circuit breaker in the fuse box in the pass fl... |
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