Check engine light flashing, truck running rough.
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1997 Ford Expedition Question: flashing check engine light
Answer #1torque wrench from Stewart's Auto Repair LLC, April 30, 2011, 05:37Master
As I said in your question above, the PCM monitiors to many sensors to just be able to say for sure what your problem is without the code numbers. And parts for todays vehicles
are to expensive to just buy and not fix your problem.