Ive done a full tune-up plugs,wires,cap,rotor,pcv valve,fuel filter, cleaned throttle body, air filter, cleaned egr valve cleaned(ports into engine). Im out of thoughts. no cel's no codes stored had vales adjusted . I checked resistance and coninuity on the coil and some values were out and some didnt even show a value followed serv manual to check it. Any suggestions please advise. Also replaced left front engine mount and tranny mount.