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Home >> Jaguar >> 1985 >> XJ-S >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - LUCAS/BOSCH P >> Testing >> Manifold Pressure Sensor (MPS)
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Manifold Pressure Sensor (MPS)

  1. Disconnect the battery. Pull the connector from the MPS. Using an ohmmeter connect test leads between the terminals. Compare resistance readings to specifications.
  2. If readings are not to specification, replace the MPS. Reconnect the MPS connector and battery.
MANIFOLD PRESSURE SENSOR RESISTANCE

Terminals Ohms
7 & 15 85.5-94.5
8 & 10 346.5-353.5
7 or 15 & Ground 0
8 or 10 & Ground 0