Volvo 5.0 GXI-c Heating up fast

Joined
Jun 15, 2009
Messages
17
I have a four Winns Boat with twin volvo 5.0 The port engine is heating up very fast. If I cold start the engine and throttel up to 4,000 rpm the engine heats up to around 260 degrees within 45 seconds. does anyone know what i should look or check for.

Ron
 
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