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Professional Automotive Repair Technical Discussions for April 11, 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 | |
| 2006 GMC Canyon SLE 2.8L MIL Lamp on VIN: 1GTCS14826 Engine would not idle with DTC P0171, lean condition. Found MAP sensor cracked at base & leaking vacuum. Replaced MAP sensor with OEM GM part. Idle now good but DTC returned during road test. Data stream showed short term fuel trim at idle fluctuated betwe... Trouble codes: P0171 (Lean condition) |
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Fixes & Summaries for All Makes and Models
| Fix/Summary | Answers | |
| 2013 Toyota Prius Three 1.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTDKN3DU9D It turned to be an intermittent coil failure. When I tested it, it fired a nice healthy blue spark. When the engine smoothed out I'm assuming it was firing. However I still don't know why the misfire counters were so off. Trouble codes: P0304 (Misfire cyl 4). |
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