Fuel System; Lubrication System - TOHATSU MD 70-90C2 Service Manual

O
Troubleshooting
K
Check fuel filter for clogging
and dirt, and hoses for leak.
Normal?
Measure fuel pressure.
Out of specified
range?
YES
Check air rail for leak and
damage.
Normal?
YES
Check fuel feed pump (FFP).
Normal?
YES
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9-24

Fuel System

YES
NO
Check fuel injector clogging
and resistance.
Check ignition system,

lubrication system

and/or cooling system.
NO
NO
Normal?
YES
NO
NO
Repair or replace
defective parts.
Replace fuel injector.
Replace air rail.
Replace fuel feed pump
(FFP).
TLDI 75/90C2 2010