EGR System: Operation
The ECU controls power supplied to the EGR/canister purge solenoid. When ECU cuts power, the solenoid opens permitting vacuum to act on EGR valve. EGR valve operation is controlled by the ECU only.
The ECU controls power supplied to the EGR/canister purge solenoid. When ECU cuts power, the solenoid opens permitting vacuum to act on EGR valve. EGR valve operation is controlled by the ECU only.