P0230 – Fuel Pump Primary Circuit

Description

The ECM detects a malfunction in the primary fuel pump control circuit.

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Symptoms

  • No start
  • Long crank
  • Stalling
  • Poor acceleration
  • Check engine light

Causes

  • Faulty fuel pump relay
  • Wiring issues
  • Blown fuse
  • ECM fault
  • Fuel pump failure

Diagnosis

  • Check relay operation
  • Inspect wiring
  • Test fuel pump
  • Check fuses

Repair

  • Replace relay
  • Repair wiring
  • Replace fuel pump
  • Replace ECM if needed

Related Problems

Related Fault Codes