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  1. #1
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    2000 F150 4.6L Triton V8 Problems

    I need some help people. I inherited a 2 wheel drive 2000 F150 with a 4.6L Triton V8 from my grandfather when he passed. The truck only has 136 000km on it, was ALWAYS parked on the grass for the 11 years that my grandfather owned it, and sat for a little over a year without driving at all while he was sick.

    Now I'm getting into the troubles:
    - I started driving the truck in the summer of 2011. When I first started driving the truck, I noticed that there is a very high pitched squeal that only occurs when the truck is either idling or when I'm slightly pressing the gas pedal (such as going through a drivethru), but it only happens periodically and usually doesn't happen more than 2 or 3 times per drive.
    - About 5 months ago, I changed the front ball joints, rear axle seals, rear brakes, and put a new differential cover on because the original one was pretty well rusted all the way through.
    - A couple of weeks ago, engine started slipping (in my opinion). It revs right down like its about to stall and stays revved right down. When I get on the gas, I can feel the gas pedal shaking and actually the whole truck feels like its shaking; This also happened a couple of times while I was driving. As I hit about 70-80km/h the engine revved right down, felt very low and power and than the shaking started again. Like the high pitched squeal, this doesn't happen all the time, only periodically.

    I'm not great at diagnosing engine problems and I just bought a house so money is tight right now, anything anyone could say/do to help me out a bit would be really appreciated. This truck has a great amount of sentimental value to me, and if it can be fixed, I would rather fix it than buy something new.

  2. #2
    The Funny Man RhinoZ24's Avatar
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    Firstoff, welcome to the Forum, and alright I'll try to help you as best I can. Eventually someone named Raptor05121 will probably post on here with more accurate solutions, thats why we call him the Professor on here lol.
    The squealing you described at idle and light acceleration sounds like a belt slipping to me. Go to any parts store and pick up belt dressing spray, only a couple of bucks, and spray it on the belt while your engine is idling. See if the squealing decreases or disappears, if not come back here.
    The work you did is good and great choice changing a rusty differential cover.
    For the slipping engine/near stalling, it could be a number of things. If the spark plugs have never been changed, or haven't for a long time, you could be get a bad combustion in your cylinders causing a loss of power sometimes. Only a couple of dollars for new plugs and you can change them yourself to save money, not too hard. The fuel filter may be clogged, starving your engine at high speeds which might explain the near stalling at highway speeds. About $15 for a new fuel filter and its just a 5 minute job to do yourself. A dirty airfilter also causes a choking of the engine just like the fuel filter. Airfilters are pretty cheap and it takes about a minute to change that lol. The coil packs and plug wires may be bad as well, but try the other things first and see if the performance improves.
    Also, do you have any check engine lights that come on when the loss of power occurs?
    Thinking about it as well, you said the truck sat for a year without driving, so it may have gas deposits in the fuel system and lines. Pick up some fuel system cleaner, I recommend either Lucas, STP, or Gumout, and run some through, adding it to the fuel tank when you fill it up next time. The clogged fuel lines could also lead to debris clogging your injectors, a further cause of the sudden loss of power. But the fuel system cleaner usually cleans them, or you can pick up fuel injector cleaner from a parts store as well, adds in just like the fuel system cleaner. Both are only a couple bucks each.

    Try these things and see if the performance of the truck improves, if not, or if a few issues still linger come back for help whenever you need it.
    Goodluck and make sure you ask if you have anymore questions as there are plenty of people on here that are willing to help.
    Last edited by RhinoZ24; 07-12-2013 at 02:54 PM.
    2005 Ford F-150 XLT Supercab, True Blue Metallic, 4.6L 2V V8, 2WD 3.55 Non-Limited Slip
    Mods: Flowmaster American Thunder SI/DO Catback Exhaust with the 40 Series Muffler, Edge Evolution Programmer, GOTTS Air Intake Mod, aFe Drop-In Air Filter.

  3. #3
    The Funny Man RhinoZ24's Avatar
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    Any news?
    2005 Ford F-150 XLT Supercab, True Blue Metallic, 4.6L 2V V8, 2WD 3.55 Non-Limited Slip
    Mods: Flowmaster American Thunder SI/DO Catback Exhaust with the 40 Series Muffler, Edge Evolution Programmer, GOTTS Air Intake Mod, aFe Drop-In Air Filter.

  4. #4
    Da Professuh Raptor05121's Avatar
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    Quote Originally Posted by RhinoZ24 View Post
    Firstoff, welcome to the Forum, and alirght I'll try to help you as best I can. Eventually someone named Raptor05121 will probably post on here with more accurate solutions, thats why we call him the Professor on here lol.
    The squealing you described at idle and light acceleration sounds like a belt slipping to me. Go to any parts store and pick up belt dressing spray, only a couple of bucks, and spray it on the belt while your engine is idling. See if the squealing decreases or disappears, if not come back here.
    The work you did is good and great choice changing a rusty differential cover.
    For the slipping engine/near stalling, it could be a number of things. If the spark plugs have never been changed, or haven't for a long time, you could be get a bad combustion in your cylinders causing a loss of power sometimes. Only a couple of dollars for new plugs and you can change them yourself to save money, not too hard. The fuel filter may be clogged, starving your engines at high speeds which might explains the near stalling at highway speeds. About $15 for a new fuel filter and its just a 5 minute job to do yourself. A dirty airfilter also causes a choking of the engine just like the fuel filter. Airfilters are pretty cheap and it takes about a minute to change that lol. The coil packs and plug wires may be bad as well, but try the other things first and see if the performance improves.
    Also, do you have any check engine lights that come on when the loss of power occurs?
    Thinking about it as well, you said the truck sat for a year without driving, so it may have gas deposits in the fuel system and lines. Pick up some fuel system cleaner, I recommend either Lucas, STP or Gumout, and run some through, adding it to the fuel tank when you fill it up next time. The clogged fuel lines could also lead to debris clogging your injectors, a further cause of the sudden loss of power. But the fuel system cleaner usually cleans them, or you can pick up fuel injector cleaner from a parts store as well, adds in just like the fuel system cleaner. Both are only a couple bucks each.

    Try these things and see if the performance of the truck improves, if not, or if a few issues still linger come back for help whenever you need it.
    Goodluck and make sure you ask if you have anymore questions as there are plenty of people on here that are willing to help.
    ditto
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  5. #5
    The Funny Man RhinoZ24's Avatar
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    Quote Originally Posted by Raptor05121 View Post

    ditto
    Nice help lmao, I was expecting another scholarly answer though lol.
    Last edited by RhinoZ24; 02-08-2013 at 11:32 PM.
    2005 Ford F-150 XLT Supercab, True Blue Metallic, 4.6L 2V V8, 2WD 3.55 Non-Limited Slip
    Mods: Flowmaster American Thunder SI/DO Catback Exhaust with the 40 Series Muffler, Edge Evolution Programmer, GOTTS Air Intake Mod, aFe Drop-In Air Filter.

  6. #6
    Super Moderator Joe Grasso's Avatar
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    I concur. ^. Nice write kid

  7. #7
    The Funny Man RhinoZ24's Avatar
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    Quote Originally Posted by Joe Grasso View Post
    I concur. ^. Nice write kid
    I think that was directed at me lol. So thanks, I'm learning from you guys, and just passing along the shared knowledge.
    2005 Ford F-150 XLT Supercab, True Blue Metallic, 4.6L 2V V8, 2WD 3.55 Non-Limited Slip
    Mods: Flowmaster American Thunder SI/DO Catback Exhaust with the 40 Series Muffler, Edge Evolution Programmer, GOTTS Air Intake Mod, aFe Drop-In Air Filter.

  8. #8
    Super Moderator Joe Grasso's Avatar
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    Ha I thought I knew my ish till I met Alex. Unreal. Lol. And yes that was directed to u. Nice write up

  9. #9
    The Funny Man RhinoZ24's Avatar
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    Thanks lol, and yeah he knows so much, it's hard to believe he's only 21.
    2005 Ford F-150 XLT Supercab, True Blue Metallic, 4.6L 2V V8, 2WD 3.55 Non-Limited Slip
    Mods: Flowmaster American Thunder SI/DO Catback Exhaust with the 40 Series Muffler, Edge Evolution Programmer, GOTTS Air Intake Mod, aFe Drop-In Air Filter.

  10. #10
    Super Moderator Joe Grasso's Avatar
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    Right? His knowledge and talent is retarted. Def the professional assassin !

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