What is your question?
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What is your question?
97 Ford expedition check engine light flashing truck running rough.
3 Replies
A flashing check engine light, is showing you it is about to set a code in the PCM. If you don't have access to a scanner to retreive the codes, you can go to local auto parts store. Your big chain stores like Advance, Auto Zone, O'Reilly will do this free for you. We would need the code numbers to really help you, everything else would just be guessing.
or you could look into a programmer that will pinpoint the issues, cost a few dollars fro a good one, it'll save you money in the long run