P0229 turbo underboost
Bought a 06 efi live tuned already from a friend (engine blown). If sat for 5 years so my buddy doesn’t remember sh*t about if, long story short I rebuilt it and threw in dfi 100horse injectors 67mm taterbuilt he351, it’s still tuned with efi live from atp trucks, buddy said it was tuned for a a3k turbo, I get this code at random usually just cruising low boost situations... does it sound like a tuning issue? Or map sensor? I’m at a loss here, going to have him turn it back to stock just looking for some insight
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Fass 220, 62/480, 6x.019, ARP, O-rings, 188/220, Farrel 13mm p pump
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