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Professional Automotive Repair Technical Discussions for August 1, 2017 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Cadillac Escalade 6.0L MIL Lamp on VIN: 1GYEK63N05 I have a rather odd Check Engine Light problem with an 05 Cadillac Escalade. No notable runability symptoms. Customer's complaint: Check Engine Light will come on and start flashing only when coasting downhill at [...] in Drive, not Overdrive, (Customer is ... Trouble codes: P0300 |
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| 1992 Chevrolet Corvette 5.7L No Start, Poor Idle Quality, Misfire VIN: 1G1YY33P0N hi every one I need help fast, customer needs this car by Friday. came in with customer complaint of running rough at idle and almost stalls, I cleaned a very dirty throttle body, compression test changed the plugs. every once in the while the car would not st... |
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| 2014 Chevrolet Silverado 1500 High Country 6.2L Unknown VIN: 3GCUKTEJ5E This 2014 High country has the above code and has no reverse and will move forward in both drive and neutral. Seems to be in a high gear possibly in limp mode. Do these solenoids go bad or is there something more major wrong with the transmission. Thanks for y... |
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| 2015 Chevrolet Silverado 3500 HD LTZ 6.6L fuel rail pressure VIN: 1GC4K0C84F After we replaced all the parts required the pickup starts and runs greats... until you take off. Desired rail pressure will read around 12000 psi and actual will be around 3200 psi. Pickup goes into reduced power and says change filter. Computer pops up with ... |
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| 1999 GMC Savana 1500 5.7L speedometer, odometer VIN: 1GDFG15R1X Speedometer reads 100 mph when actual scanner speed from the EBCM monitoring the front speed sensors and vehicle speed sensor read 45 mph. VCM also reading actual speed when speedometer reads high. No faults present. W/wire diag confirm the vehicle speed senso... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Chevrolet K3500 5.7L idles down slowly VIN: 1GCHK33R9Y Just a note- the IAC counts were in the 50's at idle when hot in park. Don't know why I say such low counts at the time. Anyway, I went to the local GM dealer and told the shop manger about my problem, he was perplexed that it had no fast idle in N & P, but sl... |
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