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Professional Automotive Repair Technical Discussions for December 30, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1992 Buick Roadmaster Limited 5.7L Stall VIN: 1G4BT5376N This is this vehicles second trip into our shop. It starts and runs great but will shut off intermittently. Not sure where to go with this one. I rebuilt the throttle body during its last visit due to a leaking fuel injector and some degraded gaskets. I have a... |
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| 1994 Chevrolet S10 Blazer Tahoe 4.3L Surge, hard take off surge VIN: 1GNDT13W0R This vehicle came in with a very rolling idle. smoke tested the intake and found many leaks from vacuum lines. Replaced them and smoke tested when done to verify no more vacuum leaks. vehicle idles good now but has a large surge during accel but if you slowly ... |
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| 2000 Chevrolet Blazer LS 4.3L No Start VIN: 1GNCS13W3Y Was blowing ECM1 fuse with ignition switch on, so I started unplugging everything that fuse powered one at a time. When I unplugged the black connector at the VCM the short went away. It turned out to be pin 18 pink wire. I replaced the VCM and re-programmed t... |
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| 1999 Saturn SC2 1.9L engine VIN: 1G8ZY1275X Hi guys, I'm helping my brother with his Saturn SC2. Healthy crank. Got fuel pressure = 46. Spark on all 4 wires with a timing lite. I was checking this in his driveway last night. Have good pattern on Vantage scope on Crk sensor. Power and ground good at Ign.... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Chevrolet Malibu LS 3.1L No Start, Stall VIN: 1G1NE52J13 the car start now,thank God. all the modules in the car was cooked, Which accounts for the communicaion issue,and any other issue,I check all the fuse and relays,power and grounds,and communication signal to each module, I unplugged all the modules expect th... |
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| 2004 Chevrolet Silverado 2500 HD WT 6.6L No Start VIN: 1GBHC24224 I have this one in the bag Stefan from arizona called it with the cascade overflow valve. I pulled the hose loose and a steady stream of fuel was exiting the fuel rail while cranking the engine. So pull the valve assy and found someone had attempted to weld up... |
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| 2005 Chevrolet Malibu 2.2L WOT does not upshift VIN: 1G1ZS52F45 Low and behold, was a clogged Cat. Overlooked. Time to slow down. Thanks for all the refreshers! |
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