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Professional Automotive Repair Technical Discussions for September 19, 2026 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for All Makes and Models
| Help Request | Answers | |
| 2016 Audi A3 Komfort 1.8L Poor Idle Quality, Hesitation, Cuts out, MIL Lamp on VIN: WAUA7GFF9G Customer replaced the above parts at another shop. We replaced ignition coils and spark plugs which resolved a misfire issue about 3 months ago. Crankcase pressure is well within spec. There are no external air leaks at all. The intake valve carbon has bee... Trouble codes: P0B70, P2279, P5070, P0680 |
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| 1999 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality The engine runs a bit rough, sounds rich but tailpipe Not sooty, plugs were black so I replaced them. It revs up ok in neutral but driving it only goes 15 mph, fairly smoothly. Torquing it, it's rough like a misfire. I read the P0138 once,and I see s2 h... Trouble codes: P0138 (Downstream o2 sensor shorted to b) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2014 Buick Regal Premium 2.0L Cuts out, Misfire, MIL Lamp on VIN: 2G4GK5EX2E Thank you everyone for replying . If I removed the air tube from the throttle body the engine ran better. I was watching the MAF sensor and when the problem occurred the gram of air would go to idle and shut the injector pulse width to idle the car ran lean ... Trouble codes: P0300, P0301. |
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