Free API

P0302

PowertrainIgnition Misfirehigh severity

Cylinder 2 Misfire Detected

What P0302 Means

Misfire detected in cylinder 2.

Symptoms

  • Check Engine Light
  • Rough idle
  • Vibration
  • Loss of power

Common Causes

  • Worn spark plug #2
  • Faulty ignition coil #2
  • Faulty injector #2
  • Low compression cyl 2
  • Vacuum leak near cyl 2

Diagnostic Steps

  1. Swap coil #2 with another cylinder
  2. Inspect spark plug #2
  3. Test injector #2
  4. Check compression
Where to start: Swap coil to diagnose. Check plug, injector, compression.

Related Codes

P0300P0202

Community Confirmed Fixes

No confirmed fixes yet for this code. Be the first to contribute!

Submit a Fix

Found a Fix for P0302?

Help other technicians by sharing what worked on your vehicle.

Submit Your Fix

Help Expand Our Database

⚡
Wiring Data
Connector pinouts & diagrams
📊
Sensor Specs
Expected values & ranges
📍
Part Locations
Photos & descriptions
⏚
Ground Points
Chassis & body grounds