Test Notes

You should enter this pinpoint test only when directed here.

This pinpoint test is intended to diagnose the following:
- Exhaust Gas Recirculation (EGR) Vacuum solenoid
- EGR Atmospheric solenoid
- EGR Valve Position sensor
- EGR valve
- EGR/Barometric (BARO) pressure sensor
- Vacuum lines
- Harness circuits: VREF, EGRV, EGRV VPWR, EGRA, EGRA VPWR, EGRP SIG, EGRP SIG RTN, EGRO VPWR, EGR/BARO SIG, EGR/BARO SIG RTN
- Powertrain Control Module (PCM)


DESCRIPTION
For additional information on the Exhaust Gas Recirculation (EGR) Monitor and System refer to Description and Operation / On Board Diagnostics II System Monitors.