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  1. #1
    LGM's Avatar
    LGM
    LGM is offline Senior Member
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    Truck won't start?

    I replaced my MSG ignitor and coil/amplifier, and I've now got great spark to the distributor. Replaced the fuel filter, and it was crusty and nasty.

    I'm still not hearing the pump inside the gas tank like I used to, and I'm not seeing any pressure from the fuel rail schraeder valve above the injectors.

    I've set and reset the fuel shut off switch.

    The only thing I can think is that I'm not getting power to the fuel pump, or the pump itself is dead.

    Suggestions?

  2. #2
    Knockout_Power's Avatar
    Knockout_Power is offline "Even sexier than Siggy"
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    You pretty much nailed it to where to look next. Crawl under the truck, put your ear close to the tank and have someone turn the key to power/accessory.. you should hear the pump quite clearly. Cant see why it would have cut out just from putting new ignition parts on though. seems odd

  3. #3
    LGM's Avatar
    LGM
    LGM is offline Senior Member
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    Quote Originally Posted by Knockout_Power View Post
    You pretty much nailed it to where to look next. Crawl under the truck, put your ear close to the tank and have someone turn the key to power/accessory.. you should hear the pump quite clearly. Cant see why it would have cut out just from putting new ignition parts on though. seems odd
    It wasn't starting, and started to sputter on the highway. Figured spark or fuel. Spark was weak, so fixed that issue. I guess now all that's left is the pump. I hate Internal pumps.

  4. #4
    Knockout_Power's Avatar
    Knockout_Power is offline "Even sexier than Siggy"
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    oh, this was a problem previous... thought maybe you were just doing some upgrades and the problem arose... then yah, if you had sputtering it was most likely the pump going... had that happen on my 180sx 2 summers ago... fvcker left me on a secondary, thank god it was 10 mins from my friends place.

    Try tapping the tank with a hammer while someone turns the ignition over. Might be a clog on the pick up burning out the pump

  5. #5
    Skyler is offline I thought I knew it all...WRONG!
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    Quote Originally Posted by LGM View Post
    I replaced my MSG ignitor and coil/amplifier, and I've now got great spark to the distributor. Replaced the fuel filter, and it was crusty and nasty.

    I'm still not hearing the pump inside the gas tank like I used to, and I'm not seeing any pressure from the fuel rail schraeder valve above the injectors.

    I've set and reset the fuel shut off switch.

    The only thing I can think is that I'm not getting power to the fuel pump, or the pump itself is dead.

    Suggestions?
    This is pretty common. People will not replace the filter regularly, it gets in worse and worse shape, to the point where your fuel pump is constantly over working just to get the bare minimum fuel through the filter. Eventually it kills the fuel pump. The pump was old anyway, it has been getting over worked for awhile, it started to sputter as it started to crap out, it finally died, now you go through and find that the filter was in shit shape, which is evidence that the pump probably gets plenty of power, it just finally crapped out.
    In my shop, I always have a hard time selling a fuel filter replacement. When I do, I always take the old filter and blow through it with my mouth. If it's hard to blow the gas in the filter out the other side, I know that their pump has been working too hard the whole time. I warn them that their pump will probably go out soon, and whether it be a week or a month or three months, they always come back with their car/truck on a flat bed, and it needs a new fuel pump.

  6. #6
    LGM's Avatar
    LGM
    LGM is offline Senior Member
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    Yeah, I'm pretty good about maintaining my truck; the old owner apparently wasn't. It's a 96 Eddie Bauer Bronco with a 4" lift and Cepek 16.5" rims... I love that piece of shite. I've had it about a year, and was just starting my winter repairs when this happened. Dammit.

  7. #7
    Skyler is offline I thought I knew it all...WRONG!
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    I love old bronco's. I have owned 15 trucks, 5 cars, but no bronco. Anytime I see one I want, I am broke. Every time I have money and go looking for one, there are no good ones for sale. FML.

  8. #8
    DSM4Life's Avatar
    DSM4Life is offline Snook~ AR Lounge Monitor
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    If you can't hear the fuel pump like you said you use to, take a test light and make sure the pump is getting power.

  9. #9
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    yungone501 is offline Senior Member
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    Firstly, how about the year make and model of the vehicle? Kind of like the stats for giving aas advice around here, very critical in diagnostics.

  10. #10
    Skyler is offline I thought I knew it all...WRONG!
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    Quote Originally Posted by yungone501 View Post
    Firstly, how about the year make and model of the vehicle? Kind of like the stats for giving aas advice around here, very critical in diagnostics.
    Did you not read any of this? Year, make, and model were all given.

  11. #11
    HitIt's Avatar
    HitIt is offline Knowledgeable Member
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    Quote Originally Posted by yungone501 View Post
    Firstly, how about the year make and model of the vehicle? Kind of like the stats for giving aas advice around here, very critical in diagnostics.
    hahaha!

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