P0302 Ford F-150
Cylinder 2 Misfire Detected · Powertrain Code · High · Repair: Moderate
What is P0302?
Misfire detected in cylinder 2. Typically caused by a worn spark plug, bad ignition coil, faulty fuel injector, or low compression in that cylinder.
When the Ford F-150 triggers code P0302 (cylinder 2 misfire detected), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Ford F-150.
This repair is rated moderate, meaning some experience and specialty tools required.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Ford F-150.
Common Causes on Ford F-150
- Failed ignition coil on cylinder 2 — Ford coil-on-plug units are a common wear item
- Fouled or worn spark plug on cylinder 2
- Carbon buildup on intake valves (direct injection EcoBoost engines)
- Leaking fuel injector on cylinder 2
Symptoms
- Check engine light (flashing if severe)
- Rough idle with noticeable vibration
- Loss of power
- Exhaust popping or backfire
- Fuel smell from unburned fuel
Notes for Ford F-150
Swap the coil from cylinder 2 with another cylinder — if the misfire follows the coil, replace it; if it stays on cylinder 2, check the spark plug or injector.