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90hp opti trouble
I’m having the typical low block water pressure issue, recuced throttle ect.
smartcraft show’s 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 i’m 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 idea’s ?
i’m lost now !
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