Shock During Acceleration - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

13A-70
Inspection Procedure 12

Shock during acceleration

The occurrence of ignition leaks, etc., due to the rise in voltage required for the spark
plugs during acceleration is a probable cause.
MUT-II Self-Diag code
D Is a diagnosis code output?
Check the spark plug cable.
(Refer to GROUP 16 - Ignition Device.)
Check the spark plug.
(Refer to GROUP 16 - Ignition Device.)
Check the following connectors: B-114, B-119
Check the ignition coil parts.
(Refer to GROUP 16 - Ignition Device.)
Check and repair the harness and connector between each
cylinder's ignition coil and body earth and between the engine-
ECU and ignition coil for disconnection, short-circuit and damage.
MPI -
Troubleshooting
NO
OK
OK
OK
OK
Probable cause
D Ignition system malfunction
YES
INSPECTION CHART FOR DIAGNOSIS CODE
(Refer to P.13A-12.)
NG
Replace the spark plug cable.
NG
Replace the spark plug.
NG
Repair
NG
Replace the ignition coil.