The Lemon IndexCylinder 1 is not firing properly, so the engine runs rough and loses some power.
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
Spark plug or ignition coil on cylinder 1. Then: fuel injector on cylinder 1; vacuum leak near that cylinder.
Owners named P0301 in 335 complaints to the U.S. government, most often on the Ford Escape.
Models that report it most
Complaints that name P0301, by model. Raw counts, not a failure rate: popular models get more complaints. Tap a model for its years, mileage and what owners say fixed it.
P0301 by model: P0301 Ford Escape (53) · P0301 Ford Edge (43) · P0301 Honda Odyssey (27) · P0301 Ford Fusion (23) · P0301 Honda Accord (18) · P0301 Honda CR-V (17) · P0301 Honda Pilot (10)
Years owners report it on most: 2017 Ford Escape · 2017 Ford Edge · 2018 Ford Escape · 2018 Ford Edge · 2018 Honda Accord · 2013 Honda Odyssey
The details
What P0301 means
Cylinder 1 is not firing properly, so the engine runs rough and loses some power. A flashing check engine light means the misfire is serious enough to damage the catalytic converter, so slow down and get it checked right away.
Can I drive with P0301?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
75% of the owner complaints that name P0301 also say the car shakes, runs rough or misfires. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P0301
- Spark plug or ignition coil on cylinder 1
- Fuel injector on cylinder 1
- Vacuum leak near that cylinder
- Low compression (valve or piston ring problem)
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Shakes, runs rough or misfires: 75% of complaints
- Loses power or goes into limp mode: 19% of complaints
- Stalls or shuts off: 17% of complaints
- Overheats: 15% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0301 most
2017 Ford Escape (29), 2017 Ford Edge (18), 2018 Ford Escape (13), 2018 Ford Edge (12), 2018 Honda Accord (10), 2013 Honda Odyssey (9).
Related codes
P0300 P0302 P0303 P0304 P0305 P0306 P0307 P0308
Quick answers
What does P0301 mean?
Cylinder 1 Misfire Detected. Cylinder 1 is not firing properly, so the engine runs rough and loses some power. A flashing check engine light means the misfire is serious enough to damage the catalytic converter, so slow down and get it checked right away.
Can I drive with P0301?
Get it fixed soon. A few more days of normal driving is usually OK, but waiting can turn a small repair into a bigger one or a breakdown.
What causes P0301?
Spark plug or ignition coil on cylinder 1; Fuel injector on cylinder 1; Vacuum leak near that cylinder; Low compression (valve or piston ring problem).
Counts: NHTSA owner complaints whose text names P0301. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.