cylinder 1 misfire - Ford Truck Enthusiasts Forums

cylinder 1 misfire

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Old 04-01-2014, 06:01 PM
gthorpe10 gthorpe10 is offline
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cylinder 1 misfire

I have a 03 ford ranger 3.0 V6. My check engine light often comes on for a few days then goes off for a few days then reappears. Every time it has been a cylinder 1 misfire. As soon as I start it up it idles rough and sputters some but if you let it sit for about 5 minutes or drive it on the highway nothing happens. It like it just goes away. I have replaced spark plugs, plug wires, and o2 sensors. I am curious to what it could be.
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