Corolla Wagon L4-107.5 1762cc 1.8L DOHC (7A-FE) (1993)
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EGR Vacuum Modulator: Description and Operation
PURPOSE
The vacuum modulator controls EGR function based upon exhaust system backpressure.
LOCATION
The modulator is mounted to a bracket on the EGR valve.
OPERATION
See Exhaust Gas Recirculation (EGR) Valve - CA Only for operating conditions. See: EGR Valve/Description and Operation
