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2001 VOLVO S80

2.9L I6•AWD•AUTOMATIC•gas
8 active safety recalls on this vehicle — view recalls
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Repairs0Labor1126Torque7204Fluid15DTC1334Battery0Maintenance0Recalls8
P1233high severityPowertrain

Fuel Pump Speed Primary Circuit Malfunction

on 2001 Volvo S80 2.9L I6 · AWD

What this code means

The ECM detected a malfunction in the fuel pump speed control primary circuit. Volvo uses a variable-speed fuel pump system, and the speed feedback signal is outside expected parameters.

Symptoms

  • Check Engine Light
  • Loss of power
  • Hard starting
  • Engine stalling
  • Reduced fuel pressure

Common causes

  • Faulty fuel pump
  • Fuel pump control module failure
  • Wiring fault to fuel pump
  • Corroded fuel pump connector
  • Fuel pump relay failure

Diagnostic steps

  1. Test fuel pressure at rail
  2. Check fuel pump speed signal
  3. Test fuel pump control module
  4. Inspect wiring and connector at fuel pump
  5. Test fuel pump relay

Repair notes

Replace the fuel pump or fuel pump control module.

Other Powertrain codes on this vehicle

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