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Discussion Starter · #1 ·
tried to finish my na-t project today and ran into a problem...when ever the fuel pump is connected the car wont run but as soon as we disconnect the fuel pump the car starts up without a problem and will run until it runs out of gas...but as soon as we hook it back up it turns right off car is giving the engine codes 78 and 31. any help would be greatly appreciated...did i forget to connect somethin?????

my set-up:
SP mani
SP downpipe
SP61gt turbo
550cc inj
vpc/afc combo
walboro 255

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