P2611 – Crankshaft Position Signal Output Circuit

Description

The ECM detects an incorrect crankshaft position signal output.

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Symptoms

  • Engine misfire
  • Hard starting
  • Stalling

Causes

  • Faulty crank sensor
  • Wiring issues
  • ECM fault

Diagnosis

  • Test crank sensor
  • Inspect wiring
  • Check ECM

Repair

  • Replace sensor
  • Repair wiring

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