OBD-II diagnostic trouble code
P0302Caution
Cylinder 2 Misfire Detected
The same single-cylinder misfire fault as P0301, isolated to cylinder 2 — check that cylinder's spark plug, coil and injector first.
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Code names are compiled from open/standardized SAE and ISO references. Explanations, symptoms, causes and fixes are original. Covers generic (P0/C0/B0/U0) codes only — manufacturer-specific codes are planned for a future update.
Frequently asked questions
Can I drive with P0302?
You can usually keep driving with P0302, but don't put it off — the underlying cause can get worse or lead to further damage the longer it goes unaddressed. Get it diagnosed as soon as you reasonably can.
How much does it cost to fix P0302?
The cost varies too much by cause and vehicle to give a single figure here — a diagnosis will narrow it down.
What causes P0302?
Reviewed by Artyom SemenovAutomotive Editor · Fact-checked by Yauheni Kapliarchuk, Editor-in-Chief