LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jaguar >> 1985 >> XJ-S >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - LUCAS/BOSCH P >> Testing >> Manifold Pressure Sensor (MPS)
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

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