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Help !!!! XJ Sport Fast Idle problem

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#1 ·
Have a xj sport 4.0l N reg. The car is reving at around 1500 rpm. I replaced the stepper motor on top of the throttle body housing but made no difference. could it be the potentiometer at fault ? or something else maybe. does anyone have any usefull suggestions.
 
G
#2 ·
It's probably the throttle pot sensor. It's located underneath the throttle body. Just above the oil filter. Common problem. You will need a dealer to set it up after replacement, or a complete throttle body from a scrap yard. :D
 
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