The Lemon IndexThe engine computer sees misfires that move around between cylinders instead of staying in one.
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.
Worn spark plugs or ignition coils. Then: vacuum leak; low fuel pressure or dirty injectors.
Owners named P0300 in 449 complaints to the U.S. government, most often on the Ford Escape.
Models that report it most
Complaints that name P0300, 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.
P0300 by model: P0300 Ford Escape (36) · P0300 Chevrolet Silverado (19) · P0300 Ford Fusion (19) · P0300 Honda Accord (14) · P0300 Honda CR-V (14) · P0300 Kia Soul (14) · P0300 Ford Edge (13) · P0300 Chevrolet Tahoe (11) · P0300 Ford F-Series (10) · P0300 GMC Sierra (10)
Years owners report it on most: 2017 Ford Escape · 2018 Ford Escape · 2018 Honda CR-V · 2017 Ford Edge · 2019 Ford Escape · 2020 Jeep Gladiator
The details
What P0300 means
The engine computer sees misfires that move around between cylinders instead of staying in one. The engine may shake, stumble or feel down on power. If the check engine light flashes, the misfire is bad enough to overheat the catalytic converter: slow down and get it checked right away.
Can I drive with P0300?
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.
70% of the owner complaints that name P0300 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 P0300
- Worn spark plugs or ignition coils
- Vacuum leak
- Low fuel pressure or dirty injectors
- Engine mechanical problem (compression, valve timing)
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Shakes, runs rough or misfires: 70% of complaints
- Loses power or goes into limp mode: 24% of complaints
- Stalls or shuts off: 19% of complaints
- Rattles or knocks: 11% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P0300 most
2017 Ford Escape (17), 2018 Ford Escape (9), 2018 Honda CR-V (7), 2017 Ford Edge (7), 2019 Ford Escape (7), 2020 Jeep Gladiator (6).
Related codes
P0301 P0302 P0303 P0304 P0305 P0306 P0307 P0308
Quick answers
What does P0300 mean?
Random/Multiple Cylinder Misfire Detected. The engine computer sees misfires that move around between cylinders instead of staying in one. The engine may shake, stumble or feel down on power. If the check engine light flashes, the misfire is bad enough to overheat the catalytic converter: slow down and get it checked right away.
Can I drive with P0300?
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 P0300?
Worn spark plugs or ignition coils; Vacuum leak; Low fuel pressure or dirty injectors; Engine mechanical problem (compression, valve timing).
Counts: NHTSA owner complaints whose text names P0300. 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.