2003 Ford F150 OBDII Codes List

O2 Sensor Circuit Slow Response Bank 1 Sensor 1

O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

Heated Oxygen Sensor Circuit Malfunction Bank 1 Sensor 2

O2 Sensor Circuit High Voltage Bank 1 Sensor 2

O2 Heater Circuit Bank 1 Sensor 2

Fuel Delivery Error

O2 Sensor Circuit Low Voltage Bank 2 Sensor 1

O2 Sensor Circuit High Voltage Bank 2 Sensor 1

O2 Sensor Circuit Slow Response Bank 2 Sensor 1

O2 Heater Circuit Bank 2 Sensor 1

Heated Oxygen Sensor Circuit Malfunction Bank 2 Sensor 2

O2 Sensor Circuit High Voltage Bank 2 Sensor 2

O2 Sensor Heater Circuit Bank 2 Sensor 2

System Too Rich Bank 1

System Too Lean Bank 2

System Too Rich Bank 2

Engine Fuel Temperature Sensor A Circuit Low Input

Engine Fuel Temperature Sensor 'A' Circuit Range/ Performance

Engine Fuel Temperature Sensor A Circuit Low Input

Engine Fuel Temperature Sensor A Circuit High Input