Need Help with problem. Fuel system maybe?
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Junior User
Joined: Feb 2003
Posts: 62
Likes: 0
Need Help with problem. Fuel system maybe?
I really need help finding out what is wrong with my truck. It has happened a couple times to me. When i am driving normally all of a sudden its like i dont even have my foot on the gas, it just gradually slows down, it doesnt shut off, its just like i took my foot off the pedal suddenly. Today it happend for a little while and i went from about 60 all the way down to 45 before everything kicked back in. I dont know what to look for. At first i thought fuel pump, but i thought it would totally shut off if that was it. sometimes it happens for not as long, kind of like a stumble, but today was the worst and i dont want to drive it anymore until i get it fixed. I tried changing the fuel filter but that didnt really help anything. Would the throttle position sensor have anything to do with it? any help is appreciated.
This is on an 89 F-150 300 I6 With dual tanks.
This is on an 89 F-150 300 I6 With dual tanks.
Posting Guru
Joined: Jun 2004
Posts: 1,781
Likes: 1
From: Central NY
I would pull your computers codes first, esp if the check engine light comes on when its acting up. Visit www.fordfuelinjection.com to learn how to do it with nothing more than a paperclip or see if your local parts store will pull them for free or they probably have a code reader you could buy for about $30.
Thread Starter
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Junior User
Joined: Feb 2003
Posts: 62
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Well the check engine light doesnt come on but i will check if there are any codes in it. I was thinking maybe i had some water or dirt in the gas tank so i am going to put a couple cans of sea foam in the gas.
Lead Driver
Joined: Nov 2002
Posts: 9,557
Likes: 44
From: Concord, NC
There could be codes stored without the check engine light coming on. If it feels like the engine completely died, I would suspect fuel pump. My high pressure pump died and did the same thing a couple of times. It would cut out while I was at speed, and by the time I got to the right lane, it kicked back in. I would suspect the frame mounted high pressure pump, but do check codes first.
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Junior User
Joined: Feb 2003
Posts: 62
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I will try and check the codes tomorrow. I had the same problem for awhile last year but after i changed the fuel filter it went away. I put some stuff in the gas tank hoping that maybe there is water in the tank or something. Hopefully that helps. thanks for the replies.
