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Home >> Mitsubishi >> 1992 >> 3000GT Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Fault Codes
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Fault Codes

NOTE: Codes listed in FAULT CODE tables are not used on all vehicles.
FAULT CODES - SOHC

Code Component Possible Cause (1)
CHECK ENGINE Light Stays On Engine Control Unit Engine Control Unit
11  Oxygen Sensor (2) Harness & Connector, Oxygen Sensor, Fuel Pressure, Injectors, Intake Air Leaks
12  Airflow Sensor Harness & Connector, Airflow Meter
13  Intake Air Temperature Sensor Harness & Connector, Intake Air Temperature Sensor
14  Throttle Position Sensor Harness & Connector, Throttle Position Sensor, Idle Position Switch
21  Coolant Temperature Sensor Harness & Connector, Coolant Temperature Sensor
22  Crank Angle Sensor Harness & Connector, Distributor Assembly
23  Top Dead Center Sensor Harness & Connector, Crank Angle Sensor
24  Vehicle Speed Sensor Harness & Connector, Vehicle Speed Sensor
25  Barometric Pressure Sensor Harness & Connector, Barometric Pressure Sensor
41  Injector Harness & Connector, Injector Coil Resistance
43  EGR (3) Harness & Connector, EGR Temperature Sensor, EGR Valve, EGR Control Solenoid, EGR Valve Control Vacuum
(1)
Replace ECU if inspection of possible cause items reveals no problem.
(2)
Oxygen Sensor for rear cylinders on 3000GT turbo.
(3)
California only.
FAULT CODES - DOHC

Code Component Possible Cause (1)
CHECK ENGINE Light Stays On Engine Control Unit Engine Control Unit
11  Oxygen Sensor (2) Harness & Connector, Oxygen Sensor, Fuel Pressure, Injectors, Intake Air Leaks
12  Airflow Sensor Harness & Connector, Airflow Meter
13  Intake Air Temperature Sensor Harness & Connector, Intake Air Temperature Sensor
14  Throttle Position Sensor Harness & Connector, Throttle Position Sensor, Idle Position Switch
21  Coolant Temperature Sensor Harness & Connector, Coolant Temperature Sensor
22  Crank Angle Sensor Harness & Connector, Distributor Assembly
23  Top Dead Center Sensor Harness & Connector, Crank Angle Sensor
24  Vehicle Speed Sensor Harness & Connector, Vehicle Speed Sensor
25  Barometric Pressure Sensor Harness & Connector, Barometric Pressure Sensor
31  Knock Sensor Harness & Connector, Knock Sensor
36 Ignition Timing Adjustment Signal Harness & Connector
39  Oxygen Sensor (3) Harness & Connector, Oxygen Sensor, Fuel Pressure, Injectors, Air Intake Leaks
41  Injector Harness & Connector, Injector Coil Resistance
43  EGR (4) Harness & Connector, EGR Temperature Sensor, EGR Valve, EGR Control Solenoid, EGR Valve Control Vacuum
44  Ign. Coil & Power Transistor (Cyl. No. 1 & 4) Harness & Connector, Ignition Coil, Power Transistor
45  Ign. Coil & Power Transistor (Cyl. No. 2 & 5) Harness & Connector, Ignition Coil, Power Transistor
46  Ign. Coil & Power Transistor (Cyl. No. 3 & 6) Harness & Connector, Ignition Coil, Power Transistor
61  Torque Reduction Signal Low (5) Harness & Connector, Transaxle Control Unit
62  Induction Control Valve Position Sensor (6) Harness & Connector, Induction Control Valve Position Sensor, Air Intake Plenum Assembly
(1)
Replace ECU if inspection of possible cause items reveals no problem.
(2)
Oxygen Sensor for rear cylinders on 3000GT turbo.
(3)
Oxygen Sensor for front cylinders on 3000GT turbo.
(4)
California only.
(5)
Automatic transaxle only.
(6)
Non-turbo models.
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