i changed the knock sensor and the oxygen sensor first and it still read code 43, b4 this it was like jumping a little....than i put ngk spark plugs, msd spark plug wires, and msd cap and rotor...after that it was running awsome but still read the same code...now car jumps more than b4 and still read the code....could it b the ignition module? i dont know......what you guys think?