P1105

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE. Engine speed drops slower than normal when accelerator pedal is released.

P1105

Fault symptoms

•	CHECK ENGINE.

•	Engine speed drops slower than normal when accelerator pedal is released.

On-Board Diagnostics

Type of diagnosis:

-	Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:

-	Engine running. Engine speed exceeding 1500 rpm. Intake manifold pressure exceeding a value that is 5 kPa lower than atmospheric pressure.

Fault criteria:

-	Charge air pressure below a value 5 kPa higher than atmospheric pressure. Criteria fulfilled for more than 3 s.

Dependents:

-	P0106, P0107, P0108, P1106, P1107, P1108, P1631, P1632, P1633 and P1641.

System reaction to a fault:

-	Density compensation of the throttle angle is blocked.

OK report:

-	Charge air pressure exceeds atmospheric pressure by more than 5kPa on one separate occasion during the driving cycle

Fault handling: (For more information, see .)

-

Type III.

Diagnostic help

Fault diagnosis concerns a leak in the hose to the sensor or between the compressor and the throttle body.

Functions in the diagnostic tool related to the fault:

•	Diagnostic status for the diagnosis.

•	Pressure sensor value, unit kPa.

During acceleration, the value should exceed the value for the two other pressure sensors.

For information, see .