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P027E Powertrain

Cold Start Fuel Injection Quantity A Lower Than Expected

During cold start the injection quantity A is below the commanded amount. Hard starting in cold conditions.

Affected components

  • Fuel injectors
  • High pressure fuel pump

Common causes

  • High likelihood: Injector clogged

Diagnostic notes

  • The malfunction indicator lamp may illuminate
  • This code can affect emissions
  • A drive cycle may be required after repair

Related codes

Sources

Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.

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