I have an '05 F-350, 6.0. Took it to a dealer to have the oil changed, and was told that according to the mileage it was time to replace the fuel filters. Now when I get on the road from cold start-up, the truck runs bad. Vibrates, shakes, and I have to lower the RPM's take my foot off the gas pedal for it to shift. What can I do to repair this?
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