P0301 Diagnostic Trouble Code Discussion for December 2016
Cylinder 1 Misfire Detected
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| Help Request | Posted | |
| 2005 Jeep Wrangler SE 2.4L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4FA29135 P0301: Cylinder 1 Misfire Detected. ... smoke under the hood and a fuel smell/leak. Checked it out and it is flooding cylinder #1 to the point it is pushing raw fuel out a crack in the exhaust manifold. We have codes p0201, and p0301. The tests point to the pcm but it is an expensive one. Put th... |
December 14, 2016 | |
| 2012 Ford Mustang 3.7L Misfire VIN: 1ZVBP8AM4C P0301: Misfire 1 cylinder. Misfire confirmed #1 cylinder at idle only. #1 spark plug black from running rich. Check intake for leak with propane to find no leak. Smoke test intake okay. Short term fuel trim at idle on right bank is commanding more fuel. The following has been performed:... |
December 20, 2016 | |
| 2009 Toyota Sienna LE 3.5L MIL Lamp on VIN: 5TDZK23C79 P0301: Cylinder 1 misfire. ... Vehicle was towed in due to Check Engine Light flashing and engine running rough. Accessed computer and found P0301 Cylinder 1 misfire code. Tested components and found bad ignition coil #1. Replaced coil (Napa part). Cleared code, scanned system, test dro... |
December 22, 2016 |
