Part and system guide
Fuel Pump
The fuel pump delivers fuel from the tank to the engine at the pressure required for combustion.
What it does
Supplies steady fuel pressure during starting, idle, and acceleration.
Failure signs
- Cranks but will not start
- Hesitation under load
- Stalling
- Whining from tank
- Lean codes
Maintenance notes
- Check fuse, relay, and power before replacing.
- Avoid running the tank very low repeatedly.
- Measure fuel pressure when symptoms point to delivery issues.