+18 2006 Honda Civic Check Engine Light On No Codes References. There could also be an electrical short or blown fuse causing the light to come on for no reason. The most common check engine light causes of your civic and how to detect them.

Detach the spark plug wires, and visually inspect them for splits or tears. Web a honda vehicle’s check engine light (cel) is a warning indicator that something is wrong with the engine or emissions system. The check engine light came on one day the next it was off then the day after it was on again ?
