Lear how to diagnose your "check gas cap light" or a check engine light that has EVAP codes. I also explain how the EVAP system works in simple terms so you can get a basic understanding of what it does.
Locking gas cap: http://amzn.to/1Ucj4qd
EVAP System Check Engine Light Codes:
P0440 Evaporative Emission Control System Fault
P0441 Evaporative Emission Control System Incorrect Purge Flow
P0442 EVAP Emission Control System Leak Detected (small leak)
P0443 EVAP Emission Control System Purge Control Valve Circuit
P0444 EVAP Purge Control Valve Circuit Open
P0445 EVAP Purge Control Valve Circuit Shorted
P0446 Evaporative Emission Control System Vent Control Circuit
P0447 EVAP Emission Control System Vent Control Circuit Open
P0448 EVAP Emission Control System Vent Control Circuit Shorted
P0449 EVAP Emission Control System Vent Valve/Solenoid Circuit
P0450 Evaporative Emission Control System Pressure Sensor
P0451 EVAP Emission Control System Pressure Sensor
P0452 EVAP Emission Control System Pressure Sensor Low Input
P0453 EVAP Emission Control System Pressure Sensor High input
P0454 EVAP Emission Control System Pressure Sensor Intermittent
P0455 EVAP Emission Control System Leak Detected (gross leak)
P0456 EVAP Emission Control System Leak Detected (small leak)
P0457 EVAP Emission Control System Leak Detected (fuel cap)
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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.

18 thoughts on “Check gas cap light fix”
  1. Avataaar/Circle Created with python_avatars newt66 c says:

    i just reset mind by disconect the battery for 4 min's and reconnect light went out and stayed off this usaly happen when im filling with a gas can

  2. Avataaar/Circle Created with python_avatars Michael Guo says:

    Hi, Chris, love all your videos. Learn a lot. I'm driving a 2015 jeep grand cherokee. It has a capless fuel tank. Check engine light is on sometimes after I fuel my car. How can I fix this problem? Thanks

  3. Avataaar/Circle Created with python_avatars Erick says:

    Nice hands bro I love the way you explained so entertaining so good

  4. Avataaar/Circle Created with python_avatars mysteryof7 says:

    You’ve probably just saved me a lot of money. Great explanation that even a novice like myself can understand.

  5. Avataaar/Circle Created with python_avatars ZURC FmLee says:

    What did the check engine light read???

  6. Avataaar/Circle Created with python_avatars Monzai says:

    I actually took the trouble to zoom in to see your face LOL you’re such a mystery we love it like a superhero

  7. Avataaar/Circle Created with python_avatars Monzai says:

    I saw your face!

  8. Avataaar/Circle Created with python_avatars Gerald Voss says:

    TYCF 🫵🏻🙃👍🏻

  9. Avataaar/Circle Created with python_avatars Geriuxx says:

    Chirs face reveal?

  10. Avataaar/Circle Created with python_avatars Gord Baker says:

    Thanks Chris

  11. Avataaar/Circle Created with python_avatars Ralph Vaccaro says:

    Finally see his face

  12. Avataaar/Circle Created with python_avatars Chris Rees says:

    One other BIG clue is if you SMELL gas!!!

  13. Avataaar/Circle Created with python_avatars ron4413 says:

    If it's not the gas cap, what would be the next thing to look at, the vent valve?

  14. Avataaar/Circle Created with python_avatars Steven Brown says:

    Ok but what if it's not the gas cap bro

  15. Avataaar/Circle Created with python_avatars whoami 2020 says:

    I took my car twice to the mechanic and replaced the gas cap. I still have a evap leak/loose gas cap. I have a 07 chysler pacifica.

  16. Avataaar/Circle Created with python_avatars Drake Jefferson says:

    Just got one of these locking gas caps for my truck through the increase in gas prices when it's maintain the best security is possible and no way Chris actually revealed his face in this video 🤨🤔

  17. Avataaar/Circle Created with python_avatars kewebco says:

    FANTASTIC! Clear, relevant, precise and concise. Excellent use of graphics, speech pace, camera shooting and perfect deliverance of content. Enough, and no extra.
    Watched lots of YT since it launched. I'm not a subscriber to stuff.
    This vid changed that.

  18. Avataaar/Circle Created with python_avatars Dextra Johnson says:

    On my Hyundai sonata the cover that you open to get to the gas tank.. mine won't shut will that cause engine light or damage my car

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