SAAB WIS ONLINE

P0072

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on. Loss of performance.

P0072


Mass Air Flow Sensor, Air Temperature Signal, Open/Short

Fault symptoms


CHECK ENGINE lamp on.

Loss of performance.


On-Board Diagnostics

Type of diagnosis:


- Continuous.


Enable criteria:


- Turn Ignition On.


Fault criteria:


- Short circuit to B+/ground or open circuit.

- The conditions above must be fulfilled for min. 0.6 s.



-


System reaction to a fault:


- Limp Home, torque limitation.

- In case of error, EGR control is deactivated.


For more information, see also:

- "Read Values" menu for a description of read values.

- "Activate" menu for a description of applications.