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ME9 / P2281 00

Read the instructions below then start the fault diagnostic procedure.

Symptom: Malfunction Indicator Lamp

  P2281 00


Air Leak Before Throttle Body

Fault symptom

Malfunction Indicator Lamp

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running more than 10 seconds.
Engine speed over 1520 rpm.
No fault:
Mass Air Flow Sensor
Throttle motor
Throttle potentiometer
Charge air pressure sensor

Fault criteria:


Air leak before throttle. Leak detected through a calculation model based on air mass, pressure, throttle position and engine speed.