Frontier 2WD V6-3.3L (VG33E) (2003)
EGR Valve: Testing and Inspection
EGR VALVE
1. Apply vacuum to EGR vacuum port with a hand vacuum pump.
EGR valve spring should lift.
2. Check for sticking.
3. If NG, repair or replace EGR valve.
EGR Valve: Testing and Inspection
EGR VALVE
1. Apply vacuum to EGR vacuum port with a hand vacuum pump.
EGR valve spring should lift.
2. Check for sticking.
3. If NG, repair or replace EGR valve.