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EGR Valve is covered under normal manufacture warranty (not the secondary air injection extended warranty). But based on your model year and mileage on the clock, your manufacture new car warranty will still cover that.
OK. So.... based on a long shot comment I found during my search, I decided to check my gas cap. It was loose, and I did just get gas the last time I drove it. I unscrewed it completely, and then tightened it to first click.
Still had the check engine light on when I drove to pick up dinner.
However, when I drove home, the light was off.
It's been off ever since.
Coincidence? I have no idea. I'll check codes tomorrow.
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