Mitsubishi FUEL Manual page 29

Code No. P0300 Ignition coil (power transistor) system
Range of Check
D Engine speed is approx. 50 - 4,000 r/min.
D Engine is not cranking.
Set Conditions
D The ignition failure sensor does not send a signal about a certain cylinder for
four seconds.
MPI <4G6> -
Troubleshooting
Probable cause
D Malfunction of the ignition coil
D Malfunction of the ignition failure sensor
D Malfunction of spark plug
D Open or short circuit in the primary ignition circuit
or loose connector contact
D Malfunction of engine-ECU <M/T>
D Malfunction of engine-A/T-ECU <A/T>
13A-29