Vehicle Questions and Answers
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To figure out why the check engine light is flashing on your 2008 Ford Expedition, I'll need more details from you. Typically, when this light comes on, it's related to the emissions system, which deals with the exhaust components like the catalytic converter or oxygen sensors. It could also signal a more serious issue. Since you probably don't have a scan tool or a mobile app set up to read the code, I suggest taking your Expedition to AutoZone to have them check the code for free. This will give you important information to address the problem. Overall, the flashing light indicates there's a problem with your vehicle that needs attention.
If the check engine light turns on in a 2008 Ford Expedition, it could indicate various issues ranging from minor concerns like a loose gas cap to more serious problems such as engine misfires or low oil pressure. Whenever there is a problem detected by the car's computer system, the light will illuminate. To identify the specific issue, you can use an OBD scanner to scan the vehicle when the light comes on.