HONDA
Reported code forms P0301
Service bulletin - The piston rings on certain cylinders may rotate and align which can lead to spark plug fouling. This can set DTCs P0301 through P0304 and cause the MIL to come on.
HomeP0301 · Manufacturer communications
P0301 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
HONDA
Reported code forms P0301
ENGINE RUNS ROUGH FROM 40 TO 70 MPH WITH DIAGNOSTIC TROUBLE CODES P0301 THRU P0306, P1399 SET - SERVICE TIPS. *TT
HONDA
Reported code forms P0301
INFORMATION ON TROUBLESHOOTING MULTIPLE MISIRE DIAGNOSTIC TROUBLE CODES P0301, P0306). *TT
HONDA
Reported code forms P0301
INFORMATION ON TROUBLESHOOTING MULTIPLE MISFIRE DIAGNOSTIC TROUBLE CODES P0301 - P0306. *TT