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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1445 (Functional Description - F10 - Engine Performance) >> Engine Performance - Functional Description >> Air mass system test for diesel engines >> Evaluation of the test

Evaluation of the test

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The program automatically evaluates the test and specifies the procedure for any further troubleshooting.

NOTE: If incorrect measured values are specified for the air mass meter and at the same time for another component group, the fault on the mass air flow meter is likely to be a secondary fault. For this reason, fault elimination must be started at the other component group. In case of doubt, check functioning of the throttle valve and swirl flaps.

The air mass system test must then be repeated in order to check the mass air flow sensor once again.

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