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Home >> Mercury >> 1996 >> Tracer LTS, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 1.8L >> Computerized Engine Controls >> Input Devices >> EGR Boost (EGRB) Sensor
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EGR Boost (EGRB) Sensor

EGRB sensor measures intake manifold pressure. The PCM expects manifold vacuum to drop during EGR operation. If vacuum does not drop as expected, MIL will illuminate and a Diagnostic Trouble Code will be set into memory. This sensor is for OBD-II requirements and does not affect EGR operation.