Mitsubishi MOTORS L200 1996, Руководство по ремонту

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MPI –
Troubleshooting
13A-35
INSPECTION PROCEDURE 15
Hesitation, sag or stumble Probable cause
In cases such as the above, the cause is probably that ignition system, air/fuel mixture
or compression pressure is defective.
D
Malfunction of the ignition system
D
Malfunction of air-fuel ratio control system
D
Malfunction of the fuel supply system
D
Malfunction of the EGR control solenoid valve system
D
Poor compression
MUT- II Self-Diag code
Are diagnosis codes displayed?
Yes
Refer to P.13A-10, INSPECTION CHART FOR DIAGNOSIS
CODES.
No
Check the injectors for operation sound.
NG
Check the injector system. (Refer to P.13A-19, INSPECTION PRO-
CEDURE FOR DIAGNOSIS CODE 41.)
OK
Check the ignition timing.
(Refer to GROUP 11 – On-vehicle Service.)
NG
Check that the distributor is installed properly.
OK
MUT-
II
: Check if hesitation, sag, stumble or poor acceleration occur.
(Refer to P.13A-51, INSPECTION PROCEDURE 40.)
OK
Check the fuel pressure. (Refer to P.13A-81.)
OK
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables. (Refer to GROUP 16 – On-vehicle Service.)
D
Check the EGR control system. (Refer to GROUP 17 – Emission Control System.)
D
Check the compression pressure. (Refer to GROUP 11 – On-vehicle Service.)
D
Check the fuel filter or fuel line for clogging.
INSPECTION PROCEDURE 16
The feeling of impact or vibration when accelerating Probable cause
In cases such as the above, the cause is probably that there is an ignition leak
accompanying the increase in the spark plug demand voltage during acceleration.
D
Malfunction of the ignition system
MUT-
II
Self-Diag code
Are diagnosis codes displayed?
Yes
Refer to P.13A-10, INSPECTION CHART FOR DIAGNOSIS
CODES.
No
Check the following items.
D
Check the ignition coil, spark plugs, spark plug cables. (Refer to GROUP 16 – On-vehicle Service.)
D
Check for occurrence of ignition leak.