rosenchris

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Question Asked: lack of power, poor fuel mileage
April 08, 2009, 10:03 AM
truck has 102k on it, doggy & lithargic always and to the extreme when pulling trailer(empty or loaded). hard pulling a hill even without trailer and knocks. backfired through intake(throttle body?) half dozen times coming up a hill the other day and almost died, thought it was going to let me sit. had an engine misfire(code 304) did plugs, wires, cap, rotor about 2 months ago. help! have friends with same year 5.2 and they scream. someone said maybe intake leaking? front o2 sensor(s)?
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