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fuel pressure

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Old 01-10-2009, 05:33 PM
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Arrow fuel pressure

Can air/fuel ratio be adjusted by increasting or decreasting fuel pressure in a MPI
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Old 01-10-2009, 08:30 PM
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yes, it will change accross the board not areas.
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Old 01-10-2009, 10:54 PM
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It can have a significant affect on afr.
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Old 01-11-2009, 09:58 AM
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yes, but the issue you will run into is will be way rich at lower RPM's and kill fuel economy, mess with it a bunch on GM tpi setups...works on high rpm well but cruise suffers...Rob
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