Everyone wonders what to expect when their check engine light comes on. Many people know it can be an issue costing a hundred dollars or upwards of a thousand.
According to CarMD.com the most common causes are faulty oxygen sensors. This and other problems can be costly to ignore; one or lots of little problems can snowball into large costly repairs. Not replacing a faulty oxygen sensor can cause spark plugs to foul out and not replacing fouled out spark plugs can cause ignition... read more