Troubleshooting
10-1
ENGINE TROUBLESHOOTING
If something is wrong with the engine, refer to the table below for the cause and its corrective
countermeasure.
Trouble
Cause
Countermeasure
Engine is difficult to start or
cannot start.
No fuel flow
Check the fuel tank and fuel
filter
。
Check the electric fuel pump.
Check the injector.
Check the ECU with Motor Scan
KF90121.
Replace filter electric fuel pump
injector and ECU If necessary.
Water is in the fuel system
Check to see if the fuel tank cover
is tight.
In winter, oil viscosity increases,
and Engine revolution is slow.
Use oils of different viscosities,
depending on ambient temperatures.
Battery becomes weak and
the engine does not turn over
quick enough.
Clean battery cables and terminals.
Charge the battery.
In cold weather (-15
℃
), always
remove the battery from the vehicle,
charge and store it indoors. install
it on the vehicle only when the
vehicle is going to be used
。
Engine power is
insufficient
Insufficient fuel.
The injector is clogged.
Crankshaft position sensor is
out of alignment.
The air cleaner is clogged.
Spark plug is fouled.
Ignition coil is defective.
Check the fuel system.
Clean or replace the injector.
Replace crankshaft position sensor.
Clean or replace the air cleaner.
Clean or replace the spark plug.
Replace the ignition coil.
Engine stops suddenly
Check with the diagnostic
instrument
(Motor
Scan
KF90121 ).
Engine overheats
Engine overloaded
Shift to lower gear or reduce load.
Low coolant level.
Fill cooling system to the correct
level;
Check radiator and hoses for
loose connections or leaks.
The motor driven fan does
not turn.
Check to see if the fuse is blown.
Check the electric system.
Dirty radiator core or grille
screens.
Remove all trash.
Coolant flow route corroded.
Flush cooling system.
If you have any questions, consult your local dealer.
