TM 5-3810-300-24&P-3
2.0 Trouble Shooting
If the engine still does not perform satisfactorily, one or
2. Stop the engine and remove the fuel pipe between
more fuel injectors may be at fault and may be checked
the fuel return manifold and the injector.
as follows:
3. Hold a finger over the injector fuel outlet and crank
1. Run the engine at idle speed and cut out each
the engine with the starter. A gush of fuel while turning
injector in turn by holding the injector follower down with
the engine indicates an ample fuel supply; otherwise, the
a screw driver. If a cylinder has been misfiring, there will
injector filters are clogged and the injector must be
be no noticeable difference in the sound and operation of
removed for service.
the engine when that particular injector has been cut out.
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