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Hard start

Discussion in 'Wrangler TJ (1996-2006)' started by LYFZGOOD, Sep 24, 2017.

  1. Sep 24, 2017 at 6:36 PM
    #1
    LYFZGOOD

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    LYFZGOOD [OP] members

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    Ok guys I need some help I recently replaced the skid plate for fuel tank on my TJ hah the tank off and fuel pump out and put a new strainer on the pump put it all back together and now it doesn't start like it did before it turns over a few times before it starts the first time but if you shut it off it will start right up. It's like it's loosing its prim. What do you think?
     
    LYFZGOOD, Sep 24, 2017
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  2. Sep 24, 2017 at 8:17 PM
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    aggrex

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    aggrex Well-Known Member

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    The symptoms stated are typical signs that the fuel pump may be failing. Intermittent starting, age and hesitation to start....check the fuel pressure
     
    aggrex, Sep 24, 2017
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  3. Sep 25, 2017 at 10:14 AM
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    LYFZGOOD

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    Ok. Thanks the pump is not that old
     
    LYFZGOOD, Sep 25, 2017
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  4. Sep 25, 2017 at 10:52 AM
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    Prerunner1982

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    Prerunner1982 Well-Known Member

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    Is it hard to start all the time or only if it has been sitting?

    Before you start it cycle the key a couple of times to prime the pump. If it starts better the pump isn't holding pressure in the lines. As Aggrex said, check the fuel rail pressure. If you build pressure in the system and then let it sit you will likely see the fuel pressure drop the longer it sits.
     
    Prerunner1982, Sep 25, 2017
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  5. Sep 25, 2017 at 12:15 PM
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    LYFZGOOD

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    Excuse me if I have already sent this no it only starts hard after it has been sitting
     
    LYFZGOOD, Sep 25, 2017
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  6. Sep 25, 2017 at 12:39 PM
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    Prerunner1982

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    Prerunner1982 Well-Known Member

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    My apologies you did state that. Trying to work and forum at the same time. :anonymous:
     
    Prerunner1982, Sep 25, 2017
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    JKBob 25 and chris4x4 like this.
  7. Sep 26, 2017 at 12:08 AM
    #7
    LYFZGOOD

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    That shouldn't be a problem
     
    LYFZGOOD, Sep 26, 2017
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