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Home >> Jaguar >> 2000 >> XJ8 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Identification >> DTC P0507: Idle Rpm Higher Than Expected >> Possible Causes

Possible Causes

Intake air leak between MAF sensor and throttle.
Intake air leak between throttle and engine.
Engine breather leak.
Throttle valve stuck open.
Throttle assembly failure.

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