Help with my FC...please
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Help with my FC...please
Ok i Have an 87TII that i put a S5 J-Spec Motor into about two months ago. I swapped the front housing and Mech OMP, injectors and fuel rails, intake manifold, using stock S4 ECU and harness. Well ever since i put the motor in ive had a problem keeping it running. It starts and tries to run and will stay running if i give it LIGHT throttle. If i try to lay into it, it backfires, and is very hesitant to accelerate. After holding the throttle for a little bit it will start to idle at about 1k. Figure the no initial idle could be because the BACV valve is not plugged in, anyone verify this? I have tried several things such as AFM, TPS, all vacuum lines have been replaced, tried another ECU, fuel pump, fuel filter, plugs. All suggestions would help me greatly.
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