All codes
P0302Engine Problems
Cylinder 2 Misfire Detected - Causes & Fixes
Complete guide to P0302 cylinder 2 misfire. Diagnose and fix the misfire with our step-by-step troubleshooting guide.
What you may notice
Symptoms
- 01Check engine light on or flashing
- 02Rough idle
- 03Loss of power
- 04Engine vibration
- 05Poor fuel economy
Where to look first
Common causes
- 01Worn spark plug in cylinder 2
- 02Faulty ignition coil
- 03Fuel injector problem
- 04Vacuum leak near cylinder 2
- 05Low compression
A sensible sequence
Best diagnostic order
- 01Verify cylinder 2 is the primary fault.
- 02Inspect the plug and swap the coil.
- 03Test injector operation, intake leaks, and compression if the fault does not move.
Step by step
What to check and repair
- 01Replace spark plug
- 02Test and replace ignition coil
- 03Check fuel injector
- 04Inspect for vacuum leaks
- 05Perform compression test
What Does P0302 Mean?
The P0302 code indicates a misfire detected in cylinder 2. Like other cylinder-specific misfire codes, this points to a problem isolated to that particular cylinder.
Diagnosis Approach
Start by swapping components between cylinders to isolate the issue - if the misfire moves with the part, you've found the culprit.
AI4Car Advantage
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