Jaguar XKR XJR 4.0 Supercharger Intake Ducts / Seals Problems – ...
Many XKR / XJR 4.0 cars which are getting on in years are or have experienced restricted performance issues with the dreaded yellow engine light coming on and the accompanying fault codes P0171 P0174, P0300, P0308, P01316 reduced performance. These codes suggest a lean mixture and misfiring on all cylinders with associated excessive missions.
Read more below to learn about this problem and how it can be resolved by the average DIY mechanic.
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