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P0301 Diagnostic Trouble Code Discussion for September 2023

Cylinder 1 Misfire Detected


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Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2007 Honda Accord EX 2.4L No Start, Cuts out, Misfire, MIL Lamp on VIN: 1HGCM56897
P0301: Cylinder 1 Misfire Detected. Car brought in after cust replaced multiple parts with no change. Checked compression and leak down and ok. Checked engine vacuum low. Checked timing and off 1 tooth. Replaced timing set and checked valve clearance no change still low vacuum and misfiring ...
September 12, 2023
2018 Audi A4 Quattro Premium Plus 2.0L Misfire VIN: WAUENAF42J
P0301: Misfire 1. Audi Tech, please help on this bad boy here. Customer borrow this car [...] his cousin, next morning he can't start up the vehicle. Fuel gauge show fuel tank still have 1/4 tank. He purchase 2 gallon gas & pour it in, car start up & running really ...
September 26, 2023