Mapping a modded reg CP3 for tunning?

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Active member
Oct 26, 2009
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Benton, Ar
have a new lbz cp3 that I need to tune. Been getting a P0087. What needs to be logged with a tech2 to hold rail or efi? Increasing table B1015 has helped but would like to get it dailed in. Its not running out of fuel just needs to be dailed in to hold to pressure to by raising the table. Hope I asked the question right.