Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - pulsing engine light
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Old 08-31-2012, 04:03 PM   #2
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Join Date: Jul 2012
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Location: Austin, TX
What I Drive: 2002

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Have you checked to see what code is flashing? If you do not own a OBD2 Scanner, then stop my Auto Zone and get it read for free, when it comes on. If it is flashing, I'm willing to bet you have a misfire. Start with the plugs and wires.
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