Can someone point me to a DIY of testing fuel line pressure?
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Thread: Can someone point me to a DIY of testing fuel line pressure?

  1. #1
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    Can someone point me to a DIY of testing fuel line pressure?

    I have searched and searched, but can't find out exactly how to do this on my 2014 civic. I see the fuel line connecting to the fuel rail, but can't figure out how to unclip it or even if that is the right place to put the pressure tester. Thank you!

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  3. #2
    Big Pimping!!! dpetro1's Avatar
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    The system uses quick disconnect so you would need to find an inline connector to attach the pressure tester to. Not very common in my experience.
    I saw your other thread, I wouldn't jump to conclusions. If the car is running normally and not throwing any codes, I wouldn't worry about it too much.
    Is your fuel consumption abnormally high?

    Sent from my SM-G920V using Tapatalk

  4. #3
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    Quote Originally Posted by dpetro1 View Post
    The system uses quick disconnect so you would need to find an inline connector to attach the pressure tester to. Not very common in my experience.
    I saw your other thread, I wouldn't jump to conclusions. If the car is running normally and not throwing any codes, I wouldn't worry about it too much.
    Is your fuel consumption abnormally high?

    Sent from my SM-G920V using Tapatalk
    No, not crazy high. ranges from 33 - 40 mpg depending on traffic. Just seems odd that the oil seems to be going up and smells like gas after the first drive.

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  6. #4
    Platinum Member Teeps's Avatar
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    From Honda Service Express (see link in my sig)
    search keywords fuel pressure test

    Can someone point me to a DIY of testing fuel line pressure?-capture.jpg
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    Because misinformation is far worse; than NO information...


  7. #5
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    Quote Originally Posted by Teeps View Post
    From Honda Service Express (see link in my sig)
    search keywords fuel pressure test

    Click image for larger version. 

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    Thanks for the screenshot! I can't figure out how to remove the quick connect I see the tab on the top, but I think there may be a tab on the bottom I can't see or get to

  8. #6
    Big Pimping!!! dpetro1's Avatar
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    Yes, there are two tabs. Shouldn't be hard. See attached image, first bullet for disconnecting the line.

    Do you have the tool @Teeps referred to? If not, don't mess with the fuel lines.


    Sent from my SM-G920V using Tapatalk

  9. #7
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    Quote Originally Posted by dpetro1 View Post
    Yes, there are two tabs. Shouldn't be hard. See attached image, first bullet for disconnecting the line.

    Do you have the tool @Teeps referred to? If not, don't mess with the fuel lines.


    Sent from my SM-G920V using Tapatalk
    Yes I have the tool. Thank you for the screenshot as well. This doesn't appear to be for my car. The layout is different, although I realize the steps are the same. On my car, the fuel rail is on the backside of the motor and the other side of the quick connect in step 1 is impossible to reach by hand. I would love to see a video of someone that is actually able to do it.Can someone point me to a DIY of testing fuel line pressure?-1.pngCan someone point me to a DIY of testing fuel line pressure?-2.png
    Last edited by tgod288; 09-21-2019 at 07:48 AM.

  10. #8
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    Actual photos
    Attached Thumbnails Attached Thumbnails Can someone point me to a DIY of testing fuel line pressure?-20190921_080043_1569067283420.jpg   Can someone point me to a DIY of testing fuel line pressure?-20190921_080058_1569067307920.jpg  

  11. #9
    Big Pimping!!! dpetro1's Avatar
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    Ah, didn't realize it was an r18. That image was si.
    Have you removed the white line protector? That is a safety lock. You should be able to see the tabs better once that is off.

    Sent from my SM-G920V using Tapatalk

  12. #10
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    Quote Originally Posted by dpetro1 View Post
    Ah, didn't realize it was an r18. That image was si.
    Have you removed the white line protector? That is a safety lock. You should be able to see the tabs better once that is off.

    Sent from my SM-G920V using Tapatalk
    No. The white protector is the issue. There appears to be tabs that needs to be depressed on both sides in order to slide thr white protector to the right. It'll slide abou a quarter inch but then stops. I assume it is stopping when it hits the tab on the back side.

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