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Old 02-08-2010, 09:02 PM
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Jerseydave Jerseydave is offline
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Join Date: Jul 2004
Boat: 2005 X-STAR & 1993 Prostar 190 Limited
Location: Jersey
Posts: 5,429
Check the impeller. How old is it? It might create enough flow at higher rpms but not enough at idle.

Check your trans cooler for a blockage. Remove the hoses from it and backflush it with a garden hose. Alot of weeds/debris can clog it in no time (happened to me once)
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