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Q: Possible vacuum leak causing engine to rev while parked.

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Engine revs while in park. Someone suggested it might be a vacuum leak.

A: It is possible that you may have a vacuum l...

It is possible that you may have a vacuum leak and if you do the computer will generate a code for system too lean. I would have a technician come out and inspect the codes on the computer and see if you do in fact have a vacuum leak.

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