REMOVE NO. 1 ENGINE COVER
Lift the No. 1 engine cover to detach the 4 clips in the order shown in the illustration and remove the No. 1 engine cover.
Attempting to disengage both front and rear clips at the same time may cause the No. 1 engine cover to break.
REMOVE DIFFERENTIAL PRESSURE SENSOR
Disconnect the differential pressure sensor connector and detach the clamp.
Disconnect the No. 1 vacuum transmitting hose.
Detach the claw while sliding the differential pressure sensor to remove the differential pressure sensor from the bracket clamp.