Mercury MerCruiser D2.8L D-Tronic Service Manual page 654

EDI DIAGNOSIS
Troubleshooting Charts (Continued)
In case of engine runaway due to flammable fumes from gasoline spills or
turbocharger oil leaks being sucked into the engine, shut off engine ignition switch
first then use a C0
to remove oxygen supply. The engine air inlet is on the port side on the flywheel end
of the engine. The fire extinguisher must be directed at this location for emergency
shutdown conditions.
CONDITION
ENGINE WILL
NOT SHUT OFF
Page 5E-86
WARNING
fire extinguisher and direct the spray near the engine air inlet
2
POSSIBLE CAUSES
1. Fuel shutoff solenoid
inoperative.
2. Engine operating on fumes
drawn into the air intake.
3. Fuel injection pump and/or
Fuel Shut Off Valve
malfunction
SERVICE MANUAL NUMBER 22
CORRECTION
1. ChecK/replace fuel shutoff
solenoid.
2. Check the air intake ducts for
the source of fumes.
3. Repair or replace fuel
injection pump.
90-860074--1 FEBRUARY 2002