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Professional Automotive Repair Technical Discussions for December 31, 2020 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers |
Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2005 GMC Sierra 2500 HD SLE 6.6L Excessive Emissions, Poor Idle Quality, Hesitation VIN: 1GTHK23255 Thanks to all who replied. Brad was right about the egr solenoid. Two others suggested the plunger as the EGR was reading both open and closed codes. That was my thoughts too The back pressure in the exhaust was less than two pounds The egr cooler wasn't ... Trouble codes: P0101, PP040, PP140. |
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