i earlier posted that my car shakes at around 40 when dropping down to 1500rpms

after replacing plugs and wires, mass air flo censer, coils, fuel pressure regelater not one of those was it but when i replaced the ingition moduel thats was the answer. it wasnt giving me any spark to plugs 6 and 3.

Please copy and paste what you posted here into your original topic so we know which one it was, and what the solution was.