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2013 AUDI S5

3.0L Supercharged V6AWDAUTOMATICgassupercharged
Repairs0Labor497Torque3689Fluid9DTC905Battery0Maintenance0Recalls0
P0263high severityPowertrain

Cylinder 1 Contribution/Balance

on 2013 Audi S5 3.0L Supercharged V6 · AWD

What this code means

Cylinder 1 is not contributing its expected share of power output.

Symptoms

  • Check Engine Light
  • Rough idle
  • Misfire
  • Vibration

Common causes

  • Low compression cylinder 1
  • Faulty injector
  • Valve issue
  • Head gasket leak

Diagnostic steps

  1. Run power balance test
  2. Check compression
  3. Test injector
  4. Inspect valves

Repair notes

Diagnose mechanical condition of cylinder 1.

Other Powertrain codes on this vehicle

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