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US Air Force History and Traditions

Why does this 520I M50 engine hesitate at junctions when bringing in the clutch it only happens after long journeys and only once or twice then it's OK again it never completely stalls the engine?


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August 05, 2009 11:22AM

sounds like an air leak or a vacum valve whts a bit sticky to much air cuases the engine to stall but early signs can make it hesitate