This document is printed from SPI². Not for RESALE
The boost pressure sensor is an active sensor.
The boost pressure sensor provides the ECM with a
measurement of inlet manifold pressure in order to
control the air/fuel ratio. This will reduce the engine
smoke during transient conditions.
An engine oil pressure switch is installed to the
engine. While the engine is running and oil pressure
is detected, the switch will be open. When no oil
pressure is detected, the switch will be closed.
The ECM can warn the operator of possible
conditions that can damage the engine. This includes
the detection of an oil filter that is blocked.
The operating range for the engine oil pressure
switch................................... 30 to 90 kPa (4 to 13 psi)
UENR0623 39
Engine Operation
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