LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1987 >> RX-7 GXL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - MAZDA EGI >> Testing >> Airflow Meter
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Airflow Meter

Visually check airflow meter body for cracks or damage. Using an ohmmeter, check resistance between airflow meter connector terminals. See Fig 1 . See AIRFLOW METER RESISTANCE specification table for resistance values.

Fig 1: Checking Airflow Meter Resistance
G36025Courtesy of MAZDA MOTORS CORP.
AIRFLOW METER RESISTANCE

Terminal Ohms
E2 to Vs
Non-Turbo 50-500
Turbo 200-600
E2 to Vref
Non-Turbo 200-500
Turbo 200-400
E2 to THAa (1)
-4°F (-20°C) 10,000-20,000
32°F (0°C) 4000-7000
68°F (20°C) 2000-3000
104°F (40°C) 900-1300
140°F (60°C) 400-700
E1 to Fc Infinity
(1) Intake air temperature sensor.