List Of Why Check Engine Light On Toyota Ideas. Web the good news is that the check engine light indicates that there are diagnostic trouble codes (dtcs) stored in your hilux’s computer, which is a very good thing. Web below we have highlighted the most common causes of a check engine light.
Preventing a check engine light in the future. Believe it or not, one of the most common causes of a sudden check engine light is a gas cap that simply wasn't tightened enough. Checking p043e code and others on 2011 chevy volt !
