okay i need to take emissions this week and i want everything to its best! what should i change like fluids,plugs what? the motor is a SOHC ZC in a 90 hatch! my engine light is on will that effect anything? i heard i can just pull the engine light bulb and it will be fine what should i do about that problem also thanks alot for reading this!oh...........im in colorado so if anyone that lives in this state can give me info

 

anyone!

 

why is your check engine light on? what code(s) are you throwing?