what should the sea water pump pressure sensor read on a 496

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06-25-2013, 06:09 AM

larry da outlaw

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what should the sea water pump pressure sensor read on a 496

I have a conflicting reading with my sea water pump pessure sensor readings .I have twin 2004 496 (pcm555) one eng says 3psi and the other says 42 psi at idle. which is correct?

06-25-2013, 06:19 AM

ballz2thewall

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3lbs is correct the one that says 42 is bad and needs to be changed

06-25-2013, 09:35 AM

Sydwayz

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Agree with above post. I just replaced one due to exact same issue. The high one is bad.

06-26-2013, 05:51 AM

larry da outlaw

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thanks I just replaced the sensor...all is well

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