P0106-P0108, P0125, P1106-P1108

MANIFOLD ABSOLUTE PRESSURE (MAP)

Fig. 1 MAP Sensor:

MAP Sensor - Mounted To Plenum:

Fig. 2 MAP Sensor Cross Section:

Monitoring Procedure
The sensor output is continuously monitored for high and low value. If a sustained high or low engine control module (ECM) input (indicating a harness or connector fault) is seen, the relevant diagnostic trouble code (DTC) is stored.

The sensor output voltage is monitored during sustained acceleration at low engine speed following an idle period. If the change in output is significantly less than the expected value then the range / performance failure judgement is made. The DTC is stored if the failure judgement is made on two successive trips.