Please Help Me
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Please Help Me
I have a 1997 ford f150 with a 4.6 in it the trucks odometer stopped running two years ago and it says 256,000 but I replaced the motor and it know only has about 85,000 and I just got the transmission rebiult after telling you guys all that I have been having a problem ith the way the truck has been running under a normal aceleration it would buck and at cruise ing speed it would do the same thing (45-60mph) so I changed the plugs, wires, both coils, air filter, fuel filter i did all this because the check engine like came on and it said #7 cylinder miss fire after I found that out I just changed that plug and wire and coil because I was broke and it ran a little better after I did that it ran a little better then it came up that #3 cylinder miss fired so thats when I changed every thing and it is doing the same thing what do I do please help
Posting Guru
Joined: Oct 2005
Posts: 2,209
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From: Louisville, Kentucky
Welcome to FTE Redneckbronco96. 
What brand parts did you use when you changed the plugs and wires? These engines are pretty sensitive and seem to run best with Motorcraft parts. Good luck!
What brand parts did you use when you changed the plugs and wires? These engines are pretty sensitive and seem to run best with Motorcraft parts. Good luck!
Posting Guru
Joined: Oct 2005
Posts: 2,209
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From: Louisville, Kentucky
This is a much discussed topic. The vast majority of FTE members, myself included will recommend using only Motorcraft plugs and wires.
Do you know what brand parts you took out when you changed these parts?
Do you know what brand parts you took out when you changed these parts?
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Joined: Apr 2007
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From: Winter Garden, FL
i have bosch plugs in mine, stick with the motorcraft, its not a huge thing and theres not one particular thing i can put my finger on but it just doesnt run as good with the bosch, my dad put them in when he had it otherwise i would have put in motorcraft, just dont have the time to change them out right now or the money to have someone else do it lol
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well a code came up and it said miss fire in cylinder 3 so I changed the injector and got most of everything back to normal but i noticed half way to work when I was stoped it felt like a miss fire once every 10 sec or so do you think I should clean all of my injectors or what thanks for all your help