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optima 2011 sx
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  1. 4G (2011+) Optima
    I have a 2011 kia optima sx that I have 220K miles on that the engine ran fine. My oil pressure light has never come on previously. I took my car to Valvoline - provided Mobil 1 oil and filter for the change. My son took the car afterwards around 2-1/2 hours away then a return trip of 2-1/2/...
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