SAAB WIS ONLINE

P1222

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on. Car in Limp Home mode. A/C relay disengaged. Cruise control not working.

P1222


Pump Rattle Detection.


Fault symptoms


CHECK ENGINE lamp on.

Car in Limp Home mode.

A/C relay disengaged.

Cruise control not working.


Conditions

The following conditions apply for the DTC in question:


Mechanical fault. The diagnosis compares the difference between the present injection duration from the camshaft (pump) sensor and the previous injection duration. A major difference indicates a mechanical fault that may damage the pump. A diagnostic trouble code can be generated if there is air in the pump or if the fuel filter is blocked.


Diagnostic help

Check fuel supply and return lines, replace filter if necessary.