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Thread: Not Getting Fuel

  1. Top Of Page | #11
    TexNeck's Avatar

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    Quote Originally Posted by Houston HB View Post
    i was thinking the samething also. that a air bubble or pocket of air could keep the pump from fully priming or cavitation could be happening
    Yes this happens if filter isn’t cracked on the pump during initial install

    2013 Ram 2500
    John 3:16 - Philippians 4:13

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  2. Top Of Page | #12
    Shane09's Avatar

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    Quote Originally Posted by TexNeck View Post
    Have you cracked water separator to make sure fuel is there? If yes I would pull fitting off CP3 and put it in bucket and prime pump to see if fuel is makin it that far
    Alrighty it’s making it to the CP3


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  4. Top Of Page | #13
    TexNeck's Avatar

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    Could you tell if the flow was steady when key was bumped?

    2013 Ram 2500
    John 3:16 - Philippians 4:13

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  6. Top Of Page | #14
    Shane09's Avatar

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    Quote Originally Posted by TexNeck View Post
    Have you cracked water separator to make sure fuel is there? If yes I would pull fitting off CP3 and put it in bucket and prime pump to see if fuel is makin it that far
    Pulled the fitting and it’s getting fuel to the CP3 and it was steady


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  8. Top Of Page | #15
    TexNeck's Avatar

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    I’d rehook CP3 line - prime a few times and see if she fires

    2013 Ram 2500
    John 3:16 - Philippians 4:13

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  10. Top Of Page | #16
    Shane09's Avatar

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    Quote Originally Posted by TexNeck View Post
    I’d rehook CP3 line - prime a few times and see if she fires
    I primed it and cranked it stopped let the lift pump kick off and cranked again I’m not getting anything


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  12. Top Of Page | #17
    TexNeck's Avatar

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    So your CP3 isn’t pushing fuel to the rail. Check the FCA and make sure it’s plugged in. Any leaks on CP3?

    2013 Ram 2500
    John 3:16 - Philippians 4:13

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  14. Top Of Page | #18
    Shane09's Avatar

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    Quote Originally Posted by TexNeck View Post
    So your CP3 isn’t pushing fuel to the rail. Check the FCA and make sure it’s plugged in. Any leaks on CP3?
    It’s plugged in and I don’t have any leaks


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  16. Top Of Page | #19
    TexNeck's Avatar

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    Quote Originally Posted by Shane09 View Post
    It’s plugged in and I don’t have any leaks
    From another site


    -Remove the CP3 to fuel rail line.
    -Put a heater hose or any kind of hose on the CP3 outlet and secure the hose with a clamp.
    -Get a bucket to collect fuel and crank the engine for 30 seconds
    -Measure the CP3 flow with a conventional graduated cylinder/cup from your kitchen
    -The flow must exceed 75ml [2.5floz in case your measuring cup doesn't have ml] at 125rpm or 90ml [3.0floz] at 150 rpm
    -Do the test 3 times to rule out priming issues
    -If it doesn't meet the specs above replace the CP3 pump.

    2013 Ram 2500
    John 3:16 - Philippians 4:13

    See what we are up to on:
    FACEBOOK | INSTAGRAM
    Or Email me at:
    mike@ddpmotorsports.com
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  17. Top Of Page | #20
    Shane09's Avatar

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    Quote Originally Posted by TexNeck View Post
    From another site


    -Remove the CP3 to fuel rail line.
    -Put a heater hose or any kind of hose on the CP3 outlet and secure the hose with a clamp.
    -Get a bucket to collect fuel and crank the engine for 30 seconds
    -Measure the CP3 flow with a conventional graduated cylinder/cup from your kitchen
    -The flow must exceed 75ml [2.5floz in case your measuring cup doesn't have ml] at 125rpm or 90ml [3.0floz] at 150 rpm
    -Do the test 3 times to rule out priming issues
    -If it doesn't meet the specs above replace the CP3 pump.
    Well I done that and it’s barely putting out fuel so my brand new CP3 is bad


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