Ford f150 problem?

my father's truck stumbling it leaps foward pant after you press the gas in a stop desk light.


ford f150 4.6 liter automatic
2 wd

what can be wrong ? thanks

Car have need of fixing or not?



Answers:    The Idle Air Control Valve desires 2 b Cleaned - IF it's Fuel Injected, unless it was build in the 1900's - could b a Vac. mortgage. Could b a fuel filter. OR it's ^ { pants } are 2 tight !

Im varying my spark plugs but near...


Based on your description it sounds close to the fuel pump may be going out. I would have the system pressure tested. Should read above 40 psi.

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