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I blew the powerhead on my 2012 Df140 a friend of mine repowered and gave me his old df140 2002 engines that were running good after getting a wiring harness adapter to go from the round to square plug the instillation went great! engine starts right up and runs well good compression (140-160) so we dropped it in the water and as soon as its in gear and doing work the engine vibrates and cannot build power we pulled the injectors all spray well new sparks coils spark new fuel filters no engine codes but on ignition instead of a solid beep at the key turn the sound is like a vibrating beep is all there is seems like it doesn't get fuel to build power but there is no fuel restriction and filters are replaced when you turn the key you can hear the HP pump run for 5 seconds then stop and holds pressure (does not turn back on even after 10 min) could there be something to do with the computer or throttle adjustments in the computer since its interfacing to a 2012 Tach ?