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2003 Ford Focus

Question: Engine light on

Question

Visitor, 2.3L 4 Cylinder, Kailua Kona, HI, March 15, 2010, 14:37

Car missing and we already changed plugs and wires. I'm thinking it might be a vacumn leak. How do a check it?

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  • Answer #1

    fernando March 20, 2010, 12:41
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     Master

    This light indicates a malfunction on the emission control system, I would not replace any parts before retrieving the trouble codes that triggered the check engine light.

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