1999 F150 4.6 Very rough idle
#1
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1999 F150 4.6 Very rough idle
truck seems to run fine when driving it but as soon as im off the gas she kicks and sputters to the point where it stalls out. not sure where to starts any ideas guys.. Thanks
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does it run fine while idling?? well first visibly check under the hood for loose wires - like around the throttlebody. follow your vaccum lines also. could be a number of possibilities sticking EGR vavle,throttle position sensor, weak fuel pump. once you try to press on the accelerator how does she respond?