What you have is one of two things. You have a sparkplug that is bad and or a cop (coil on plug) that is bad. A good way to figure this out is to go to autozone and have them do a code check. Sometimes a " check engine" light will come on and sometimes it wont. My check engine light never came on. It was missing but after aceleration or high rpm the miss would go away. I changed both the cop and spark plug and problem fixed. By the way coil on plugs are expensive. I ordered mine on the internet and saved over 75%. Best wishes and hope this solves your problem.
I had the same thing. It could be a number of things. Mine was the fuel pump, screen and filter. The pump and screen are located inside the gas tank. The filter is located on tbe drivers side oc the tank under the drivers door
SOURCE: 1996 Ford Explorer vibrates when idling. Also...
You have a hesitation. A hesitation is cause be either:
1. bad spark plug
2. bad spark plug wire
3. bad or leaky or plugged injector
4. timing is off
5. leaky vacuum hose
SOURCE: 2000 ford expedition, misses during acceleration,
check pass side rear plug the coolant hose the runs to the heater core can leak coolant into the rear spark plug boot and cause a miss
SOURCE: 99 Expedition - Stutters and loses power when accelerating
My was doing the same thing, it was an EGR valve and a misfire on the #2 cylinder which required a new spark plug and a coil pack
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SOURCE: misses during acceleration , rough
Go get the codes ran at auto zone or advance auto parts they will do it for free. If the codes come up as a cylinder miss-fire then it is most likely a coil (being a ford). Write down which cylinder it is. I wouldn't replace any of the spark plugs , useless you have more than 100,000 miles. If you have to replace the spark plugs use BOSH double plautim or better. The cylinder placing is ( as your are looking at the front of the truck) passenger side front to back 1-2-3-4 driving side front to back 5-6-7-8. If you never seen a coil buy one so you know what you are looking for. The coil is held in by a 7mm bolt. Take the bolt out and replace the coil. Problem Solved. Estimated time 20 Mins with 60 dollars per coil.
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