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Horrible mpg vx 17mp
I bought a vx with a siezed engine so I replaced it with a d15b vtece. First tank it got 26mpg and this is the second and its getting 17 mpg. The car starts instantly and idles good. Wot is also good, slow with no power, but smooth and consistent. Part throttle however it has a jerking through the rpm but only when accelerating. I've replaced wires, distributor, plugs with the ngk4, New intake gasket, New O2 ntk, checked timing, New fuel filter, New iacv.
I don't know what's wrong. Please someone help.
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