Troubleshooting
39
PROBLEM
CORRECTIVE ACTION
POSSIBLE CAUSES
The engine runs, but knocks or
misses.
1.
Dirt, water, stale fuel, or
incorrect fuel is in the fuel
system.
1.
Drain and flush the fuel
system; add fresh fuel.
2.
Engine overheating.
2.
See ENGINE OVERHEA
TS.
3.
There is air in the fuel.
3.
Bleed nozzles and check for
air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
4.
The injection nozzles are
damaged.
4.
Contact your Authorized
Service Dealer
.
5.
Low compression
5.
Contact your Authorized
Service Dealer
.
6.
The injection pump timing is
incorrect.
6.
Contact your Authorized
Service Dealer
.
7.
Excessive carbon build–up.
7.
Contact your Authorized
Service Dealer
.
8.
Internal wear or damage.
8.
Contact your Authorized
Service Dealer
.
The engine will not idle.
1.
The fuel tank vent is
restricted.
1.
Loosen the cap. If the engine
runs with the cap loosened,
replace the cap.
2.
Dirt, water, stale fuel, or
incorrect fuel is in the fuel
system.
2.
Drain and flush the fuel
system; add fresh fuel.
3.
The fuel pump is damaged.
3.
Contact your Authorized
Service Dealer
.
4.
Low compression.
4.
Contact your Authorized
Service Dealer
.
5.
The air cleaner element is
dirty.
5.
Clean or replace.
6.
The fuel filter is clogged.
6.
Replace the fuel filter
.
7.
There is air in the fuel.
7.
Bleed the nozzles and check
for air leaks at the fuel hose
connections and fittings
between the fuel tank and
engine.
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