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Mass Airflow (MAF) Sensor

Turn ignition off. Disconnect MAF wiring connector. Using an ohmmeter, measure resistance between each terminal. See Fig 1 . If resistance values do not meet specifications shown in MAF SENSOR RESISTANCE  table, replace MAF sensor.

Fig 1: Measuring Mass Airflow Sensor Resistance
G57041
MAF SENSOR RESISTANCE

Between Terminals Resistance (Ohms) Temperature: °F (°C)
VS-E2 20-3000 (1) *
VC-E2 1100-300 (1) *
VB-E2 200-400 (1) *
THA-E2 10,000-20,000 -4 (20)
THA-E2 4000-7000 32 (0)
THA-E2 2000-3000 68 (20)
THA-E2 900-1300 104 (40)
THA-E2 400-700 204 (60)
FC-E1 Infinity (1)
(1) At any temperature.
MAF SENSOR PLATE RESISTANCE

Between Terminals Resistance (Ohms) Temperature: °F (°C)
FC-E1 Infinity Fully Closed
FC-E1 Zero (1) *
VS-E2 20-400 Fully Closed
VS-E2 20-3000 (2) *
(1) Except closed position.
(2) Fully closed to fully open position.