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P0313 and P0302 codes

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Mikem3574

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Discussion Starter • #1 •
Hey guys (and gals). I recently bought a 2013 FX4 EB with 52k. Love the truck. Recently, i was on the highway and during acceleration (after a downshift) my truck started stumbling bad around 4500 RPM. CEL came on and went off. Scanner reads p0313 (did not expect) and p0302 (which i expected). 35 gallon tank was at 1/4. Simple spark plug change? Can bad plug cause the 0313? I have an aftermarket warranty which does not cover plugs or its components? Chances of a bad fuel pump? Appreciate any advice. Thx
 
VegasFX4

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How many miles on the plugs? How does it idle? What state are you in? Maybe needs the weep hole drilled?
 
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VegasFX4
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