Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJAGUAR1991XJ-6 L6-4.0LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR TEMPERATURE SENSOR ( AMBIENT / INTAKE )SERVICE AND REPAIR
1991 Jaguar XJ-6 L6-4.0L
Air Temperature Sensor ( Ambient / Intake ): Service and Repair
1991 Jaguar XJ-6 L6-4.0LSECTION Service and Repair
Note: It is recommended that the inlet elbow is allowed to cool before releasing the IATS, to avoid the insert being loosened.
- Disconnect the battery ground cable.
- Disconnect the multi-connector from the IATS.
- Remove the IATS and copper sealing washer from the air intake elbow.
- Be sure sealing washer is located on the replacement IATS.
- Screw the replacement IATS into the air intake elbow.
- Refit the electrical connector to the IATS.
- Reconnect the battery ground cable.
- Disconnect the battery ground cable.
Intake Air Temperature Sensor:
- Disconnect the multi-connector from the IATS.
- Remove the IATS and copper sealing washer from the air intake elbow.
- Be sure sealing washer is located on the replacement IATS.
- Screw the replacement IATS into the air intake elbow.
- Refit the electrical connector to the IATS.
- Reconnect the battery ground cable.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.