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Home >> Jaguar >> 2019 >> XJR575 >> Repair and Diagnosis >> External Pages >> Different car >> Section 147 (Electronic Engine Controls - V6 S/C 3.0L Petrol -- XJ/X351) >> Electronic Engine Controls - V6 S/C 3.0L Petrol (G1514894) >> Description And Operation >> System Operation and Component Description >> Heated Oxygen Sensors (Ho2S) And Mass Air Flow And Temperature (MAFT) Sensors

Heated Oxygen Sensors (Ho2S) And Mass Air Flow And Temperature (MAFT) Sensors

WARNING: This page is about a different car, the 2019 Jaguar XJ and 2018 Jaguar XJ. However, it is still accessible from the selected car via links, so may be relevant.

There are several adaptive maps associated with the fueling strategy. Within the fueling strategy the ECM calculates short-term adaptions and long term adaptions. The ECM will monitor the deterioration of the heated oxygen sensor Ho2S over a period of time. It will also monitor the current correction associated with the sensors.

The ECM will store a fault code in circumstances where an adaption is forced to exceed its operating parameters. Simultaneously, the ECM will record the engine speed, engine load and intake air temperature.

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