Q: Engine misfires intermittently.

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The Engine light in my car came on again, and the engine misfires. It is not continuous like before.

The most common cause of a random misfire on the Tribute is a failing ignition coil. The computer should be scanned to see if there are any codes and then the engine data should be monitored to see what the fuel trim readings are. This can also be a simple a worn spark plugs. I would enlist the help of a certified mechanic, like one from YourMechanic, who had the tools and knowledge to do this.

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