Car running rich. When shifting exhaust is lighting off(backfire). Sounds like your getting too much fuel or not enough air. Any mods done to the car?
95 Contour, Custom EVO bodykit, 2.0l, PNP Focus head, Stage 2 cams, Je pistons, Eagle rods, 4in1header, 2.5" header back exhaust(complete stainless), D P nitrous, ram air intake, 10mm wires, flamethrower.
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