Re: Spark Advance Issues 2.3
Could potentially be a bad knock sensor. Try filling up with 93 octane fuel on your next refill and see if that makes a difference. If it does, you have some hot spots in the cylinders causing knock.
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2003 Ford Ranger XLT
2.3L I4 Duratec DOHC, 5R44E 5-speed auto, RWD, 7.5" Open w/ 4.10 Ratio, Gibson split-rear catback
Sonic Blue Pearl with dark gray trim
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