P0629
Fuel Pump A Control Circuit High
2000-2003 Ford Excursion 7.3L V8 Power Stroke Diesel 🇨🇦
Moderate SeverityPowertrain
Description
High voltage in fuel pump control circuit.
Symptoms
- Fuel pump always running
Common Causes
- Short to power
- Relay stuck closed
Diagnostic Steps
- Test voltage
- Check relay
- Look for shorts to power
Repair Notes
Replace relay. Repair wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0629 on Other Vehicles
Common Questions
What does code P0629 mean on a 2000-2003 Ford Excursion?
P0629 stands for "Fuel Pump A Control Circuit High". High voltage in fuel pump control circuit.
What are the symptoms of P0629 on a Ford Excursion?
Common symptoms of P0629 include: Fuel pump always running.
What causes P0629 on a 2000-2003 Ford Excursion?
Common causes of P0629 include: Short to power, Relay stuck closed.