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2000 MAZDA MX-5 MIATA

1.8L I4RWDMANUALgas
Repairs0Labor511Torque3649Fluid7DTC674Battery0Maintenance0Recalls0
P0302high severityPowertrain

Cylinder 2 Misfire Detected

on 2000 Mazda MX-5 Miata 1.8L I4 · RWD

What this code 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

Repair notes

Swap coil to diagnose. Check plug, injector, compression.

Other Powertrain codes on this vehicle

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