Causes and Fixes Ford P0456 Code: Evaporative Emissions System Small Leak Detected

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  • Опубликовано: 18 янв 2025

Комментарии • 38

  • @LeeKobe1
    @LeeKobe1 10 месяцев назад +7

    Great video! Replaced the purge valve a couple of weeks ago due to not wanting to start after filling up with gas, and thought all was good - now getting the P0456 code.

    • @Johnnywalleye1
      @Johnnywalleye1 8 месяцев назад +1

      I had the same happened to me

    • @LVP5BroncoSport
      @LVP5BroncoSport 5 месяцев назад +2

      Any update? Experiencing the same thing and getting the same code

  • @panzerleader49
    @panzerleader49 Год назад +4

    Checked everything easy, now for the hard stuff near the fuel tank. thanks!!!

  • @CarleAndrade
    @CarleAndrade Месяц назад

    Thank you! Can you please explain to me if in fact it is just replacing the fuel filler neck, why does that cause my acceleration to mess up? Why is the rpm and speed so slow and pressing on the gas just feels like it doesn’t make it go any faster. How would the fuel filler neck mess with the speed? I’d assume it would just eat up my gas but it’s just not letting me drive past 15-20mph it did this to me earlier this year but I changed the purge valve and it was fine after but now that p0456 is back!

  • @tman9338
    @tman9338 10 месяцев назад +4

    Thanks for the great explanation and diagram !!!

  • @waynecarr9150
    @waynecarr9150 6 месяцев назад +3

    Awesome info man! Thanks for putting this video together!

  • @moniquehernandez778
    @moniquehernandez778 10 месяцев назад +1

    If smoke is coming from the hose, is it safe to assume a new hose is needed?

  • @6agenthawk
    @6agenthawk Месяц назад +1

    had my purge valve stuck open and replaced new 2 years ago, lately i have the "very small leak" code and the tell tale sign its faulty again because my car stalls initially when i fill my gas tank up BUT ive tested the valve by taking it out of the circuit and hearing it click with a 9v battery so im not sure how the fumes are being pushed into my block

    • @Ry_dolla
      @Ry_dolla 20 дней назад

      My fiesta also stalls when I add fuel.

  • @HectorNector_22
    @HectorNector_22 2 месяца назад +1

    I have 09 ford focus first I had a p0451 code, I changed the fuel tank pressure sensor. Check engine light went away for like a week and half then I got the p0456 code. I changed out my purge valve and check engine light has not come off. I haven't tried that smoke method yet maybe that'll work but idk any mechanics that have a smoke machine though.

    • @MikesVlogss
      @MikesVlogss 2 месяца назад

      Have you tried deleting your check engine light codes?

  • @rodneyallgire6864
    @rodneyallgire6864 3 месяца назад +1

    From what i have read on other posts, once you find issue the code will go away after some driving? Is this true? 2017 ford escape 1.5 L

    • @HVAC_Mechanic
      @HVAC_Mechanic  3 месяца назад +3

      Yes, once it is fixed, it will go away once a drive cycle is completed. You can Google your vehicle drive cycle and do the steps to speed it up.

  • @queenvehem6194
    @queenvehem6194 9 месяцев назад +6

    I have a 2019 Ford Escape and my engine light came on at 65k miles. I go to Midas and they told me I needed my fuel injection system cleaned. I Paid like 600 bucks when that was my code. And guess what 3 days later my light was on again! Autozone said I needed some gadget and it was only $75. So now I have to go back to midas and if they have the audacity to tell me now I need the piece to fix the small leak I'm going to be mad! They charged me 600 for something I probably didn't even need!!!

    • @jorgeurbina7810
      @jorgeurbina7810 7 месяцев назад +5

      Fuel injector cleaner costs like $15 and all you gotta do is put it in your gas tank you got scammed like crazy

    • @E36.s
      @E36.s 4 месяца назад +1

      Facts

  • @BrittanyReid-p9e
    @BrittanyReid-p9e 5 месяцев назад +1

    If my car had an O2 sensor issue that when untreated cause it would pop on and off with no reasoning.... should i start there before replacing the valve?

    • @HVAC_Mechanic
      @HVAC_Mechanic  5 месяцев назад

      Usually, a 02 sensor and EVAP problem are separate issues. If the purge valve is stuck open, it may affect it.

    • @CarleAndrade
      @CarleAndrade Месяц назад

      @@HVAC_Mechanicwhat makes the purge valve get stuck open if this is a recurrent problem?

  • @coolmoe3289
    @coolmoe3289 9 месяцев назад +4

    2016 Ford Transit Connect...Ended Up Being The Purge Valve Solenoid Has A Vaccum Stuck open while the Engine is Running.. Replaced part.

    • @MikesVlogss
      @MikesVlogss 2 месяца назад

      How long did it take you to replace the part?

    • @coolmoe3289
      @coolmoe3289 2 месяца назад

      @MikesVlogss .. Takes 20 Minutes too install the New Part.... Easy Work

  • @SonyaOviatt
    @SonyaOviatt 6 месяцев назад

    Can evaporated emission system leak detection very small leak cause my motor to blow up or cause a hole in piston 2009 ford escape

  • @mobyjoe1
    @mobyjoe1 Год назад +1

    No links for the suggested smoke machine....?

    • @HVAC_Mechanic
      @HVAC_Mechanic  Год назад +4

      I added the link.

    • @tristinsanchez9983
      @tristinsanchez9983 Год назад +1

      Hey buddy i have 2014 ford f150 and 6 months ago i had a code that was reading P0455 I figured out what it was and I changed the purge valve yesterday I got the same exact code on my truck again this would be the second time I would change the purge valve any ideas on what else could be happening

    • @Shehzadamwaseemvoluge
      @Shehzadamwaseemvoluge 8 месяцев назад

      ​@@tristinsanchez9983ok

    • @SophieDaystarrAsmr
      @SophieDaystarrAsmr 7 месяцев назад

      Purge valve solenoid at the charcoal canister in rear of vehicle

    • @MikesVlogss
      @MikesVlogss 2 месяца назад

      @@tristinsanchez9983 I would check all the air connections on the evap system and the electrical plugs on the purge valve, also clean the gas cap seal if you have the Easy Fill capless system on your gas filler inlet.

  • @Heavy69Metal
    @Heavy69Metal 6 месяцев назад +1

    What happens if you cannot start vehicle yet you had the P0456 code

    • @HVAC_Mechanic
      @HVAC_Mechanic  6 месяцев назад +1

      If the purge valve is stuck open it can cause issues sometimes, but it will not stop the engine from starting.

    • @MikesVlogss
      @MikesVlogss 2 месяца назад

      Have you tried scanning your vehicle's OBD2 for Check Engine Light Codes?

    • @Heavy69Metal
      @Heavy69Metal 2 месяца назад

      How do you purge it and wheee is it located to purge it

    • @6agenthawk
      @6agenthawk Месяц назад

      @@Heavy69Metal find your manifold and look for a small hose line and trace that back until you see it