Engine Speed Will Not Increase
- Air in fuel system
- Poor fuel quality
- Fuel tank empty or fuel tank vent blocked
- Fuel control lever not obtaining full throttle
- Clogged or defective fuel filter
- Clogged or leaking intercooler
- Restricted, blocked or leaking fuel injection or lines
- Incorrect timing or defective fuel injection pump
- Improper fuel line banjo bolts at fuel injection pump
- Low or uneven engine compression