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P0275moderate severityPowertrain

Cylinder 5 Contribution/Balance

on 2008 Dodge Viper 8.4L V10 · RWD

What this code means

The PCM detected an imbalance in cylinder 5's contribution to engine output. This often indicates a fuel, compression, or injector issue in that cylinder.

Symptoms

  • Rough idle
  • Engine misfire feel
  • Reduced power

Common causes

  • Faulty fuel injector
  • Low cylinder compression
  • Vacuum leak at cylinder
  • Ignition component fault

Diagnostic steps

  1. Perform cylinder contribution test
  2. Check cylinder 5 injector operation
  3. Run compression test on cylinder 5
  4. Inspect ignition and intake for that cylinder

Other Powertrain codes on this vehicle

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