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2007 CADILLAC SRX

3.6L V6AWDAUTOMATICgas
1 active safety recall on this vehicle — view recalls
Repairs0Labor1000Torque4939Fluid16DTC1772Battery0Maintenance0Recalls1
P0263high severityPowertrain

Cylinder 1 Contribution/Balance

on 2007 Cadillac SRX 3.6L 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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