P1189 Pump Speed Signal Fault (Diesel)

Category
Powertrain - Fuel/Air Metering
Severity
Check Engine Light
Applies to
Ford diesel models with electronic injection control

What does P1189 mean on a Ford?

P1189Pump Speed Signal Fault (Diesel). This Ford-enhanced code applies to Ford diesel models with electronic injection control.

Common causes of P1189

How to fix P1189

  1. Inspect the sensor tip for debris
  2. Check the air gap to spec
  3. Test signal output during crank
  4. Verify wiring continuity
  5. Replace the sensor if no signal is present