Mercury MerCruiser D2.8L D-Tronic Service Manual page 645

SERVICE MANUAL NUMBER 22
Troubleshooting Charts (Continued)
CONDITION
ENGINE
CRANKS BUT
WILL NOT
START NO
SMOKE
90-860074--1 FEBRUARY 2002
POSSIBLE CAUSES
1. No fuel in supply tank.
2. Fuel Shut Off Valve not
operating.
3. Air intake or exhaust
plugged.
4. Fuel filter plugged.
5. Excessive fuel inlet
restriction.
6. Injection pump not getting
fuel or fuel is aerated.
7. One or more injectors worn
or not operating properly.
8. Worn or inoperative injection
pump.
9. Camshaft out of time.
EDI DIAGNOSIS
CORRECTION
1. kit fuel supply.
2. Check for loose wires and
verify that the fuel shutdown
solenoid and fuel shutdown
solenoid relay is functioning.
3. Remove the obstruction.
4. Drain fuel/water separator
and replace fuel filter.
5. Check fuel inlet restriction.
Correct cause.
6. Check fuel flow/bleed fuel
system.
7. Check/replace bad or
improperly operating
injectors.
8. Visually check delivery with
externally connected injector
to
one of the pump outlets.
Repair or replace as needed
after testing, if fuel is not
being delivered.
9. Check/correct gear train
timing alignment.
Page 5E-77