Component Inspection

EXHAUST GAS RECIRCULATION (EGR) VALVE
Apply vacuum to EGR vacuum port with a hand vacuum pump. EGR valve spring should lift.
If NG, replace EGR valve.




EGR TEMPERATURE SENSOR
Check resistance change and resistance value at 100°C (212°F).

^ Resistance should decrease in response to temperature increase.

Resistance: 100°C (212°F)
85.3 ± 8.53 kohms

If NG, replace EGR temperature sensor.




EXHAUST GAS RECIRCULATION CONTROL (EGRC-BPT) VALVE
1) Plug one of two ports of EGRC-BPT valve.
2) Vacuum from the other port and check for leakage while applying a pressure above 0.981 kPa (100 mmH2O, 3.94 inH2O) from under EGRC-BPT valve.
3) If a leakage is noted, replace the valve.