Mitsubishi MOTORS L200 1996, Workshop Manual

Page: 266 / 1723

MPI –
Troubleshooting
13A-26
INSPECTION PROCEDURE 5
No initial combustion (starting impossible) Probable cause
In cases such as the above, the cause is probably that a spark plug is defective,
or that the supply of fuel to the combustion chamber is defective.
In addition, foreign materials (water, kerosene, etc.) may be mixed with the fuel.
D
Malfunction of the ignition system
D
Malfunction of the fuel pump system
D
Malfunction of the injectors
D
Malfunction of the engine-ECU
D
Malfunction of the immobilizer system <only vehicles
with immobilizer system>
D
Foreign materials in fuel
Check battery voltage when cranking.
OK: 8 V or higher
NG
Check the battery. (Refer to GROUP 54 – Battery.)
OK
Is immobilizer-ECU diagnosis code displayed? <only vehicles with
immobilizer system>
Yes
Check the immobilizer.
(Refer to GROUP 54 – Ignition Key and Immobilizer.)
No
MUT-
II
: Inspection of no initial combustion.
(Refer to P.13A-47, INSPECTION PROCEDURE 34.)
OK
Can any sound be heard from the injectors when cranking?
NG
Check the injector system. (Refer to P.13A-19, INSPECTION PRO-
CEDURE FOR DIAGNOSIS CODE 41.)
OK
Ignition system: Inspection of no initial combustion.
(Refer to P.13A-47, INSPECTION PROCEDURE 35.)
OK
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables. (Refer to GROUP 16 – On-vehicle service.)
D
Check if the injectors are clogged.
D
Check if foreign materials (water, alcohol, etc.) got into fuel.
D
Check the compression pressure.
D
Check the immobilizer system. (Refer to GROUP 54 – Ignition Key and Immobilizer.) <only vehicles with immobilizer system>