1997 MITSUBISHI TRITON Workshop Manual

Page 153 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-30
INSPECTION PROCEDURE 9
Idling speed is high. (Improper idling speed)
Probable cause
In such cases as the above, the cause is probably that the intake air volume during
idl

Page 154 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-31
INSPECTION PROCEDURE 10
Idling speed is low. (Improper idling speed)
Probable cause
In cases such as the above, the cause is probably that the intake air volume during
idl

Page 155 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-32
INSPECTION PROCEDURE 11
When the engine is cold, it stalls at idling. (Die out)
Probable cause
In such cases as the above, the cause is probably that the air/fuel mixture

Page 156 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-33
INSPECTION PROCEDURE 12
When the engine is hot, it stalls at idling. (Die out)
Probable cause
In such cases as the above, the cause is probably that ignition system, air/f

Page 157 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-34
INSPECTION PROCEDURE 13
The engine stalls when starting the car. (Pass out)
Probable cause
In cases such as the above, the cause is probably misfiring due to a weak spark,

Page 158 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-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 p

Page 159 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-36
INSPECTION PROCEDURE 17
The feeling of impact or vibration when decelerating.
Probable cause
Malfunction of the ISC system is suspected.Malfunction of the ISC system
MUT-

Page 160 of 1310

MITSUBISHI TRITON 1997  Workshop Manual MPI ± Troubleshooting13A-37
INSPECTION PROCEDURE 19
Surge
Probable cause
Defective ignition system, abnormal air-fuel ratio, etc. are suspected.Malfunction of the ignition system
Malfunction of air