from RepairPal Test Shop,
August 25, 2009, 09:03
Get the diagnostic trouble codes checked, then perform, or have someone perform a diagnosis for the codes that are stored.
Read more about check engine lights here: http://repairpal.com/check-engine-light
In some cases with higher mileages, the Check Engine Light may come on due to insufficient Exhaust Gas Recirculation system (EGR) flow. For EGR flow concerns, the EGR valve is usually recommended for replacement...