Q: Check Engine Light trouble code P0302. I changed the coil and switched plugs. This 2007 Corolla only has 26,000 miles. Is there an easy solution?

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Engine light on mechanic checked code p0302 Changed coil for cylinder 2 changed plugs. light still comes on . Engine not running really ruff. Any suggestions

My car has 26400 miles.
My car has an automatic transmission.

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