check screens on injectors check all grounds change fuel filter check the ROTOR ON THE DISTRIBUTOR <<<!!!! do it trust me i bought all kinds of shit i didnt need when i could have just put a screw in the fucking rotor . . . like 1,000 damn dollars of shit sigh trust me do it also maybe try new resistor box is the fuel old?> what about the o2 sensors?> alot of the time people jus switch the wires and dont know make sure dats right.