TOHATSU MD 70-90C2 Service Manual page 281

Fuel regulator leaks.
- -1 .
Fuel leak
- -13.
Return circuit from fuel regulator outlet to vapor
- -14.
separator is obstructed.
Fuel regulator is faulty.
- -15.
Fuel pressure is high.
- -16.
Air hose joint nut is loose.
-3-1.
Air filter is clogged.
-3- .
Orifice (* ) is clogged. (fuel inlet at air/fuel rail)
-3-3.
Air hose joint O ring is damaged.
-3-4.
Air hose is collapsed.
-3-5.
Air regulator leaks.
-3-6.
Air compressor reed valve is damaged.
-3-7.
Air compressor cylinder or piston ring is worn much.
-3-8.
-3-9. Air regulator malfunctions.
Passage following air regulator is clogged.
-3-10.
Fuse is burnt.
-4-1.
Lock is removed.
-4- .
Stop switch is short-circuited.
-4-3.
Fuel injector is deposited with carbon or malfunctions.
-4-4.
Spark plug (s) is faulty.
-4-5.
TLDI 75/90C2 2010
Cause
Action to be taken
(Refer to reference value or service data.)
Replace.
Check hose damage and joints.
Check, and repair if necessary.
Replace.
Refer to -3-9 and -3-10.
Check, and repair if necessary.
Check, and replace if necessary.
Check, and replace if necessary.
Check, and repair if necessary.
Replace.
Check, and replace if necessary.
Replace.
Check, and repair if necessary.
Check the cause of fuse burning (overload), and replace
the fuse after repairing.
Check.
Check, and repair if necessary.
Clean, or replace if necessary.
Connect injector(s) to harness, and the injector should
produce operating noise (click) during cranking.
Correct the gap is out of specified range.
Electrode is worn much. Replace if cracked or damaged.
Replace if electricity leaks at the gap due to carbon deposit
or electrode is entirely black due to carbon deposits.
Replace if fuel fouled, also a carbon fouled plug will give an
ignition coil code replace plug and clear the code.
9
9-5