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OBDII/EOBD diagnostics trouble codes definition

If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX).

Also there is a list of more than 13500 additional manufacturer specific codes.

Supported manufacturers with specific OBD2 codes:


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Definition of check engine code P1171:

Acura:

Fuel System Lean During Acceleration

Citroen/Peugeot:

Rotor Sensor Fault

Daewoo:

ETS VALVE STUCK - OPEN

Fiat:

Test break off, cylinder regulating

Ford:

Rotor Sensor Fault

GM:

Fuel System Lean During Acceleration

Hyundai:

Electronic Throttle System Open

Isuzu:

Fuel System Lean During Acceleration

Jaguar:

System Too Lean - Banks 1 and 2 (Lean Fuel Fault)

Kia:

System Too Lean - Banks 1 and 2 (Lean Fuel Fault)

Land Rover:

Oxygen Sensor System Too Lean Fault Banks A & B

Lincoln:

Rotor Sensor Fault

Mercury:

Rotor Sensor Fault

Oldsmobile:

Rotor Sensor Fault

Opel:

Mixture control (MC),engine under load - mixture lean

Saab:

Closed Loop, Lean Mixture

Saturn:

Fuel System Lean During Acceleration

Volkswagen/Audi:

Throttle Actuation Potentiometer Sign.2 Range / Performance

Volvo:

Throttle Actuation Potentiometer Sign.2 Range / Performance