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Home › Land Rover › 2002 › Freelander S › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics - With Codes › DTC P0505: Idle speed controller invalid offset. › Possible Causes:

Possible Causes:

  1. Air leak due to damaged intake manifold gasket or seals.
  2. Sticking throttle mechanism.
  1. Air leak due to damaged inlet gasket or seals 

    No detail available for this fault

  2. Sticking throttle mechanism 

    No detail available for this fault

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