LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2000 >> Jetta GL, 1.9 F, Standard >> Repair and Diagnosis >> Engine Performance >> Ignition System >> 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
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Mass Air Flow (MAF) sensor, checking: Notes

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.

Recommended special tools and equipment 

scientia non olet · About LEMON Manuals