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Pitot Pressure

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45 minutes ago, Tblack said:

Error 94-Legacy 

2007 Chaparal 236 SSi w/350 MerCruiser Mag MPI. Serial number on engine is 1A063334. Receiving this on my VesselView App. Is this something major and can I knock it out myself? Thanks for any help!



Either you have a raw water delivery issue due to a blockage, or failing raw water pump impeller, or your water pressure sender is failing. It is located on the shell side of your power steering system heat exchanger. Normal water pressure at that pressure tap should be 5psi at idle on a healthy pump, and about 17 psi at 3,000 rpm. If the error occurs as soon as you turn the key on, before cranking then the sender is not being seen by the ECM.  W

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