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Old 15 August 2018, 17:23   #1
DeltaTango's Avatar
Country: UK - England
Town: Stoke-on-Trent
Boat name: Delta tango
Make: Delta
Length: 5m +
Engine: Mercury optimax
Join Date: Aug 2018
Posts: 18
90hp opti trouble

Im having the typical low block water pressure issue, recuced throttle ect.
smartcraft shows 0.0psi at idle and under throttle.
thought it was just the sensor gone bad as with the pipe removed and a mechanical gauge fitted im getting 5.0psi idle and around 10psi @ 2000rpm.
tested the wiring back to the ecm and this is all good along with my supply voltage from the ecm.

any one have any ideas ?
im lost now !
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