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I have a 2001 ford taurus ses with a 6 cyl 3.0L DOHC engine. Getting error codes P0304,P0305 and P0306 from check engine light. Light alternates between flashing and steady. Lots of hesitation and engine missing. Local shop did a compression test and indicated cylinders 4, 5 and 6 not getting compression. No visible water in oil or oil in water and no visible green tarnishing on the spark plugs.

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Codes say Cylinder 4, 5 & 6 are not firing. This could be a spark issue or a fuel issue or a mechanical engine failure. Is compression zero? Did they use a compression tester?

Posted on Aug 02, 2011

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Posted on Jan 02, 2017

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