Manifold Air/Fuel Temperature Sensor Removal; Manifold Air/Fuel Temperature Sensor Installation; Coolant Temperature Sensor Removal; Coolant Temperature Sensor Installation - Jeep 1987 Wrangler Workshop Manual

ENGINES
US
THROTTLE BODY INJECTION FUEL SYSTEMS
US
MANIFOLD AIR/FUEL TEMPERATURE (MAT)
SENSOR REMOVAL
Disconnect the wire harness connector from the
MAT sensor harness.
100451F
Remove the MAT sensor (11) from the intake
manifold.
Clean the threads in the manifold.
MANIFOLD AIR/FUEL TEMPERATURE (MAT)
SENSOR INSTALLATION
Install the replacement MAT sensor in the intake
manifold -
Connect the wire harness connector to the MAT
sensor harness.
COOLANT TEMPERATURE SENSOR (CTS)
REMOVAL
Remove the wire harness connector from the
coolant temperature sensor (CTS) (12).
Note: It is located at the rear of the
intake manifold.
WARNING:
DO NOT remove the C T S with the
cooling system HOT and UNDER P R E S S U R E .
Remove the C T S from the intake manifold and
rapidly plug the hole to prevent loss of coolant.
101451G
COOLANT TEMPERATURE SENSOR (CTS)
INSTALLATION
Install the replacement C T S (12) in the intake
manifold.
Connect the wire harness connector to the C T S
harness connector.
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