hi i have a 1998 4runner 4 cylinder 2wd. i dont know why but i took my car to go and smog a few weeks ago and it didnt pass smog due to losing power. no check engine light or anything. i drive the vehicle daily for work. it has 223488 miles. i need help cause i dont wanna go pay dmv another 50 bucks for another 60 days. no exhaust leak, & crack exhaust manifold, did my spark plugs and wires 2 months ago (not OEM). any suggestions?