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Jaguar
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2000
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XJ8 Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P1143: Air Assist Close Valve Range/Performance
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Possible Causes
AAI piping blocked.
Throttle body air channel blocked.
AACV stuck.