Gas cap problems...

Discussion in '2005 - 2015 Toyota Tacoma' started by jPeg1900, Jul 12, 2019.

  1. jPeg1900

    jPeg1900 New Member

    Hey guys,
    So about a month ago my OE gas cap on my 2010 Taco wouldn't stay "clicked" anymore when I would tighten it. As a result, the check engine light came on. Soooo I went on Amazon and found an open-box genuine Toyota (supposedly) fuel cap for about $10. Got it, tightened it, and it does the same thing. I returned it saying it was defective, and found another one on eBay, new this time. Well, this one did the same thing. I returned that one, found another one on Amazon, new, and it does the same thing!
    Finally, I said screw it and bought one from the stealership. You guessed it, same result. Has anyone else had this experience?? Is there something wrong with my truck? I don't understand what could be causing this. Any suggestions? Thanks!
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  3. bdarnold12

    bdarnold12 Well-Known Member

    Maybe not youre gas cap at all. I had a gas cap light on my old f150, like you, replaced the cap, still had the light. After hours of searching I found that a squirrel had chewed a hole in the vent line from the top of the tank that goes to filler neck. Less than $5 to fix.
  4. OP

    jPeg1900 New Member

    Yeah, I'll check further. That still wouldn't explain why the gas caps aren't functioning like they should. Like it will "click", and then "unclick". Or maybe I'm just trippin...
  5. KF6NFD

    KF6NFD New Member

    I had a ford van with the same issue. Ended up being some dirt bag disconnected a hose underneath to siphon out the gas. Didn’t realize it until I went to put gas in it and it went all over the ground. Reconnected the hose drove around 10 min light went out.

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