Mitsubishi MOTORS Lancer 2005, Workshop Manual Supplement

Page: 48 / 109

MPI <4G63>
ï
Troubleshooting
13D-43
INSPECTION PROCEDURE 7
It takes too long time to start. (Incorrect starting) Probable cause
In cases such as the above, the cause is probably that the spark is weak and ignition
is difficult, the initial mixture for starting is not appropriate, or sufficient compression
pressure is not being obtained. D Malfunction of the ignition system
D Malfunction of the injector system
D Inappropriate gasoline use
D Poor compression
Check battery voltage when cranking
OK: 8 V or higher
NG
Check the battery. (Refer to GROUP 54
ï
Battery.)
OK
Can any sound be heard from the injectors when cranking?
NG
Check the injector system. (Refer to P.13D-29, INSPECTION PRO-
CEDURE FOR DIAGNOSIS CODE 41.)
OK
Check the ignition timing when cranking.
OK: Approx. 5 _ BTDC
NG
Check that the crank angle sensor is installed properly.
OK
Check the following items.
D Check the ignition coil, spark plugs, spark plug cables.
D Check if the injectors are clogged.
D Check the compression pressure.
D Check if foreign materials (water, alcohol, etc.) got into fuel.
OK
M.U.T.-
II/III
Self-Diag code
Are diagnosis codes displayed?
YES
Refer to P.13D-12, INSPECTION CHART FOR DIAGNOSIS
CODES.
NO
M.U.T.- II/III Actuator test
07 Fuel pump (Refer to P.13D-70)
NG
Check the fuel pump system.
(Refer to P.13D-60, INSPECTION PROCEDURE 28.)
OK
M.U.T.-
II/III
Data list
21 Engine coolant temperature sensor (Refer to P.13D-66.)
NG
Check the engine coolant temperature sensor system.
(RefertoP.13D-20,INSPECTION PROCEDUREFORDIAGNOSIS
CODE 21.)
OK
M.U.T.- II/III Data list
18 Ignition switch-ST (Refer to P.13D-66.)
NG
D Check the ignition switch-ST and inhibitor switch system.
(Refer to P.13D-62, INSPECTION PROCEDURE 29.)