2005 F-150 XLT 5.4: Hesitation when hard accelerating.
When I accelerate hard, for example getting on the highway and giving it gas hard, it hesitates to go then it will go and hesitate again. It does this about 3-4 times and then goes without an issue. A buddy of mine suggested it may be clogged injectors. I tried a fuel system cleaner and high grade gas for a tank, but no diffenerce. Any suggestions?
replace the fuel filter...............
That's an early sign of a plugged catalytic converter
Clean out carb and air intake
My 2005 f150 was doing the same and the light also came on. While it was almost empty I put a can of injector cleaner and a can of octane boost and five gallons of premium gas and drove home on freeway 40 miles. I ordered new plugs and wires.Twice today I got down hard on it entering freeway but it refused to hesitate and opened wide like a champ.I have the new plugs and coils but now I'm confused!
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