Test Notes

This Pinpoint Test is intended to diagnose the following:
- Differential pressure feedback EGR sensor
- Exhaust Gas Recirculation (EGR) valve
- EGR vacuum regulator solenoid
- Orifice tube assembly
- Differential pressure feedback EGR sensor pressure hoses
- Vacuum lines
- Harness circuits: VREF, DPFE, SIG, SIG RTN, EVR, EVR PWR
- Powertrain Control Module (PCM)