2011 Ford F450 Super Duty Crew Cab Diesel Supplement 5th Printing - Page 62

2011 Ford F450 Super Duty Crew Cab Manual

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Maintenance and Specifications MINOR TROUBLESHOOTING GUIDE Air purge procedure Turn the key on for 30 seconds, then turn off. Repeat the procedure six times. If the engine won't crank Turn on the headlights. If the lights are dim, do not go on at all or when the ignition is turned to START the lights become dim or go out, the battery connections may be loose or corroded, or the battery may be discharged. If there is a clicking or stuttering sound coming from the engine compartment when you turn the key to START, this may also indicate a loose or corroded battery connection. Check the battery connections at the battery posts, cable connection to the engine grounding point and at the starter connection. If a discharged battery is suspected, have it checked and corrected. WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. Wash hands after handling. • The gearshift lever must be in P (Park) or N (Neutral) in order for the starter to operate. • Try operating the starter switch several times. Should the switch be corroded, this operation may clean the contacts or make the switch temporarily operable until you can reach the dealer. • If all electrical connections are tight and you need assistance to start, refer to Jump starting in the Roadside Emergencies chapter of your Owner's Guide. If engine cranks but won't start Prolonged starter cranking (in excess of 10 seconds) could cause damage to the starter motor. • Check the fuel gauge. You may be out of fuel. If the gauge shows that there is fuel in the tank, the trouble may be in the electrical system or the fuel system. If equipped with an auxiliary tank, be sure that the tank control switch is set for the tank with fuel and not on an empty tank. • Leaving the ignition key turned to on for over two minutes without starting may make starting difficult because the glow plugs will cease activation. Reset the system by turning the ignition key to off and then back to on again. 62 2011 Diesel (eco) Supplement, 5th Printing USA (fus)

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MINOR TROUBLESHOOTING GUIDE
Air purge procedure
Turn the key on for 30 seconds, then turn off. Repeat the procedure six
times.
If the engine won’t crank
Turn on the headlights. If the lights are dim, do not go on at all or when
the ignition is turned to START the lights become dim or go out, the
battery connections may be loose or corroded, or the battery may be
discharged. If there is a clicking or stuttering sound coming from the
engine compartment when you turn the key to START, this may also
indicate a loose or corroded battery connection.
Check the battery connections at the battery posts, cable connection to
the engine grounding point and at the starter connection.
If a discharged battery is suspected, have it checked and corrected.
WARNING:
Battery posts, terminals and related accessories
contain lead and lead compounds.
Wash hands after handling.
•
The gearshift lever must be in P (Park) or N (Neutral) in order for
the starter to operate.
•
Try operating the starter switch several times. Should the switch be
corroded, this operation may clean the contacts or make the switch
temporarily operable until you can reach the dealer.
•
If all electrical connections are tight and you need assistance to start,
refer to
Jump starting
in the
Roadside Emergencies
chapter of your
Owner’s Guide.
If engine cranks but won’t start
Prolonged starter cranking (in excess of 10 seconds) could cause
damage to the starter motor.
•
Check the fuel gauge. You may be out of fuel. If the gauge shows that
there is fuel in the tank, the trouble may be in the electrical system or
the fuel system. If equipped with an auxiliary tank, be sure that the
tank control switch is set for the tank with fuel and not on an empty
tank.
•
Leaving the ignition key turned to on for over two minutes without
starting may make starting difficult because the glow plugs will cease
activation. Reset the system by turning the ignition key to off and
then back to on again.
Maintenance and Specifications
62
2011 Diesel
(eco)
Supplement, 5th Printing
USA
(fus)