Revs high and low in park

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Jul 24, 2009 | 11:14 PM

LovemyBlazer95

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Revs high and low in park

Truck drives fine. the check engine light does not come on. but if I put it in park she revs high and low. kinda sounds like she's snoring. anyone know what it could be?

Jul 24, 2009 | 11:24 PM

Blazer1999ls

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Joined: Jul 2009

Posts: 16

probably a leaky fuel pressure regulator.

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