P2630 – Fuel Pump Control Circuit Range/Performance

Description

The ECM detects incorrect fuel pump control circuit range or performance.

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Symptoms

  • Hard starting
  • Poor acceleration
  • Check engine light

Causes

  • Weak pump
  • Wiring issues
  • ECM fault

Diagnosis

  • Test fuel pump
  • Inspect wiring
  • Check ECM

Repair

  • Replace pump
  • Repair wiring

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