EGR Valve: Testing and Inspection

Exhaust Gas Recirculation System (EGR)






79 Thermovalve, opens at + 7O° C, closes at +60° C.
89 Exhaust gas recirculation valve
B21 Exhaust gas recirculation temperature sensor (California only).






Connection diagram (California only)

001 CFI control module connector
002 Test cable
003 Multimeter
004 Contact box
N3 CF control module






Test Steps