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Professional Automotive Repair Technical Discussions for February 10, 2015 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2005 Chevrolet Avalanche 1500 LT 5.3L Excessive Emissions VIN: 3GNEK12Z35 Had this Avalanche in back in November had power to vent solenoid no ground from pcm, wire from pcm to solenoid is good. Installed reman Delco pcm. Now 1157 bulb lights at solenoid connector but its dim and will not operate solenoid. Ground wire at pcm and ven... Trouble codes: P0449 (Evap vent control solenoid circuit) |
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| 2012 Chevrolet Express 3500 6.6L Regeneration VIN: 1GBZGUCL9C Hello techs, I have posted this vehicle previously, closed help request too early. Last time at our shop was continuously displaying "cleaning exhaust filter" message on dic. We tested components and vehicle was taken to dealer who performed two service regens... |
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| 2012 Chevrolet Express 3500 6.6L Regeneration VIN: 1GBZGUCL9C Hello techs, I have posted this vehicle previously, closed help request too early. Last time at our shop was continuously displaying "cleaning exhaust filter" message on dic. We tested components and vehicle was taken to dealer who performed two service regens... |
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| 1995 Pontiac Firebird Formula 5.7L Misfire VIN: 2G2VF22P2S This fine piece of rolling stock has a misfire on #2. To keep it short'n sweet. If I swap FI connectors from #4 inj to #2 the misfire moves to #4 cyl and #2 hits fine. This confirms the Optispark, plug, plug wire, compression are good on #2 & #4 cyl. Testing #... Trouble codes: 18 (Injector circuit) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2003 Pontiac Grand Am SE 3.4L cylinder head VIN: 1G2NF52E13 Timing is everything and mine is lousy. Sorry for the late close. It is going to be lengthy but I want to be clear about what happened. First, my wife got real sick and this just sat. In addition, I screwed up the TIME SERT install ROYALLY and had to do it ove... |
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