List Of 2009 Mazda Cx7 Check Engine Light References. Web if the mazda check engine light up, it may mean that one or more of the following systems are basically in trouble; Web check engine light on and getting a p2009 code.

If it goes off by itself, then comes back on a few days later then you have an intermittent fault. It will remain on as long as the ecu continues to see the fault that turns it on. Quite simply, the check engine light being on in a 2010 mazda cx7 is a signal from the cars engine computer that something is wrong.
