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Old 09-14-2017, 09:33 AM
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Default 1996 Mariner 150 Mag EFI Problem

I have a 1996 Mariner 150 Mag EFI that wont go over 2K RPM under load but revs up in neutral. Checked fuel filter on VST and fuel water separator was changed. Any tips on where to start?
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Old 09-26-2017, 04:52 PM
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Run a compression test to see if all cylinders are even, Check that all 6 cylinders are firing. Run a fuel pressure test to see if within specs. If all that is ok then may need to have injectors cleaned.
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