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Home >> Volkswagen >> 2004 >> R32 >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (1.9L - TDI And TDI Pd Generic Scan Tool, Engine Code(S): ALH, BEW (A4 Platform)) >> 23 Diesel Fuel Injection >> Checking components >> Mass Air Flow (MAF) sensor, checking >> Notes
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Mass Air Flow (MAF) sensor, checking: Notes

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The Mass Air Flow (MAF) sensor signal is used by the control module to calculate the permissible injection quantity and to regulate Exhaust Gas Recirculation (EGR). The smaller the MAF sensor signal is, the smaller fuel may be injected.

NOTE: Use only gold-plated terminals when servicing terminals in harness connector of Mass Air Flow (MAF) sensor.

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