Starting Problems
CAUSE ACTIONImproper fuel Drain fuel tank, flush system, fill with proper fuel. Change filter
Empty fuel tank or fuel tank vent blocked Fill tank, bleed system, check tank vent
Air in fuel system Bleed fuel system
Voltage not supplied to fuel shutdown Correct voltage supply problem or
solenoid or fuel shutdown solenoid replace solenoid
inoperative
Voltage not supplied from fuel shutdown Refer to Fuel Shutdown Relay/
solenoid relay Testing and Inspection Procedures
Clogged fuel filter Replace fuel filter
Restricted or blocked fuel supply lines Remove restriction or replace lines
Leaking injection lines, damaged lines or Replace damaged lines or tighten
loose connections connections as necessary.
Bleed fuel system
Wax buildup in fuel filter (cold weather Replace fuel filter, use recommended
only) diesel fuel
Incorrect injection pump to engine timing Adjust injection pump timing
Malfunctioning intake manifold air heating Repair air beating system
system
Injection sequence does not correspond Install fuel injection lines in correct
with firing order order
Low or uneven engine compression Repair as necessary
Restricted or blocked fuel injection lines Remove restriction or replace lines
Fuel injection pump malfunction or Replace fuel injection pump
not adjustable