First, what caused the engine to overheat, and was that problem fixed? Have you had the computer scanned to see if there are any trouble codes associated with the missing or skipping? What prompted you to change the #4 coil? A little more information will be helpful.
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First, what caused the engine to overheat, and was that problem fixed? Have you had the computer scanned to see if there are any trouble codes associated with the missing or skipping? What prompted you to change the #4 coil? A little more information will be helpful.