Back to 2003 Aston Martin DB7

2003 ASTON MARTIN DB7

3.2L I6 SuperchargedRWDAUTOMATICgassupercharged
1 active safety recall on this vehicle — view recalls
Repairs0Labor504Torque3913Fluid7DTC688Battery0Maintenance0Recalls1
P0307high severityPowertrain

Cylinder 7 Misfire Detected

on 2003 Aston Martin DB7 3.2L I6 Supercharged · RWD

What this code means

Misfire detected in cylinder 7.

Symptoms

  • Check Engine Light
  • Rough idle
  • Loss of power

Common causes

  • Worn spark plug #7
  • Faulty ignition coil #7
  • Faulty injector #7
  • Low compression

Diagnostic steps

  1. Swap coil #7
  2. Inspect plug #7
  3. Test injector #7
  4. Check compression

Repair notes

Swap coil to diagnose.

Other Powertrain codes on this vehicle

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