2011 Tahoe starting issues

Discussion in 'Engine & Drivetrain' started by Kjv42, Nov 10, 2019.

  1. Kjv42

    Kjv42 TYF Newbie

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    Cranks over good. Used to pop off right away. Lately it’ll hesitate a bit before running. Runs good after that. Changed plugs and wires and still hesitates. Any ideas? Thx
     
  2. swathdiver

    swathdiver Full Access Member

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    Sounds similar to Andy's. Still doing that after changing the vent valve Andy?

    @dross99_si
     
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  3. kbuskill

    kbuskill ***CAUTION*** I do my own stunts!

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    Does it start any faster if you prime the fuel pump a couple times before starting???

    Turn the key to the ON position, without attempting to start, 3-4 times then try starting it and see if it still hesitates.
     
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  4. dross99_si

    dross99_si Full Access Member

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    No check engine light and not one starting issue since installing the new Genuine GM purge valve :)
    Thanks James!
     
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  5. Kjv42

    Kjv42 TYF Newbie

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    That seems to help. What is the fix? Thx
     
  6. kbuskill

    kbuskill ***CAUTION*** I do my own stunts!

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    If priming it makes it start up better then it sounds like the fuel pump is weak.

    Install a new fuel pump and enjoy.

    Make sure you get a good OEM type (AC Delco) pump... you don't want to have to drop the tank again because you cheaped out and bought a junky pump.

    Also make sure you get the correct pump for your application... Flex Fuel or Non-Flex Fuel.

    *** EDIT ***

    Not sure why "Fuel pump" is blue in the above sentence. I did not paste a link, but somehow it did it on its own... weird. *** It did it again ***

    *** EDIT 2 ***

    Now "fuel pump" is no longer blue... BUT AC Delco is... what's really going on... lol
     
    Last edited: Nov 12, 2019
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  7. Kjv42

    Kjv42 TYF Newbie

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    Thanks for the reply. Will definitely go with a quality pump.
     
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