Sovereign L6-4.0L (1991)
Throttle Position Sensor: Service and Repair
NOTE: The factory does not give any specifications for setting the throttle potentiometer without using the Jaguar Diagnostic System test equipment.
REMOVE
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Open the hood and disconnect the battery earth lead.
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Slacken breather and extra air valve hose clips at intake elbow and displace hoses from elbow.
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Slacken throttle housing to elbow hose clip at throttle housing and displace hose.
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Slacken air mass meter to elbow hose clip and displace hose.
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Remove intake elbow mounting securing nut and remove elbow for access.
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Disconnect throttle potentiometer multi-plug.
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Displace and remove potentiometer.
REFIT
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Fit and fully seat new throttle potentiometer to throttle housing.
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Fit but do not fully tighten potentiometer securing bolts.
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Following adjustment finally tighten potentiometer securing bolts.
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Refit the air intake elbow assembly and tighten hose clips.
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Connect the battery earth lead and close the hood.