EGR Position Sensor
WARNING: This page is about a different car, the 1995 Mazda 929. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect EGR position sensor electrical connector. Disconnect vacuum hose from EGR control valve. Apply vacuum to EGR control valve.
- Check sensor resistance between indicated terminals. See EGR POSITION SENSOR RESISTANCE table. See Fig 1 . If resistance is not within specifications, replace sensor.
EGR POSITION SENSOR RESISTANCE
| Terminals | Ohms W/ No Vacuum Applied | Ohms @ 5.9 in. Hg |
|---|---|---|
| "A" & "B" | 2700 | 2700 |
| "A" & "C" | 500 | 2700 |
| "B" & "C" | 2400 | 100 |