Self-Diagnostics (Fuel System)

The fuel system ECU carries out continuous checks. Faults in any of the following functions are stored in system memory.

• Fuel System ECU internal function
• Lambda-Sond (Oxygen Sensor)
• Coolant Temperature Sensor
• Mass Airflow Meter
• Battery Voltage
• Throttle Switch
• Ignition System ECU and RPM
• Speedometer
• Knock Sensor
• Idle (Speed) Valve
• Fuel Injectors