Test Notes

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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)

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