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2009 AUDI Q7

4.2L V8AWDAUTOMATICgas
3 active safety recalls on this vehicle — view recalls
Repairs0Labor501Torque2483Fluid9DTC866Battery0Maintenance0Recalls3
P0306high severityPowertrain

Cylinder 6 Misfire Detected

on 2009 Audi Q7 4.2L V8 · AWD

What this code means

Misfire detected in cylinder 6.

Symptoms

  • Check Engine Light
  • Rough idle
  • Loss of power

Common causes

  • Worn spark plug #6
  • Faulty ignition coil #6
  • Faulty injector #6
  • Low compression cyl 6

Diagnostic steps

  1. Swap coil #6
  2. Inspect plug #6
  3. Test injector #6
  4. Check compression

Repair notes

Swap coil to diagnose.

Other Powertrain codes on this vehicle

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