EGR Valve Position (EVP) Sensor (2.2L Probe CALIF. Only)
Connect vacuum pump to EGR valve vacuum port. Backprobe EVP sensor VREF (Light Green/Red) and SIGRTN (Light Green/Yellow) wires. Turn ignition switch to RUN position. Compare readings. See EVP SENSOR VOLTAGE table. See Fig 1 .
EVP SENSOR VOLTAGE
| In. Hg | Volts |
|---|---|
| 0 | 0.867 |
| 1 | 0.893 |
| 2 | 0.923 |
| 3 | 1.434 |
| 4 | 1.84 |
| 5 | 2.09 |
| 6 | 3.86 |
| 7 | 4.93 |
| 8 | 4.93 |