EVAP said large leak?

Tiny
HOOKTENDER
  • MEMBER
  • 2006 MAZDA TRIBUTE
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 184,000 MILES
The 2 codes it gave me said large leak in evap system and the other one said small leak in evap system rhe check engine light is on
Friday, September 5th, 2025 AT 10:56 AM

2 Replies

Tiny
JAYFIVS
  • MEMBER
  • 8 POSTS
Not a mechanic at all; but just had this issue last week. Mine turned out to be the fuel tank cap was loose/broken; got a new one from O'Reilly and been fine since then.
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Friday, September 5th, 2025 AT 3:06 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
I agree with JAYFIVS, I would check the gas cap first and if that does not work please go over this video which shows how to find the leak.

https://www.youtube.com/watch?v=aTNr3IEgVF0

and this guide can help as well

https://www.2carpros.com/articles/evap-system-code-repair

Please upload pictures or videos in your response of any problems
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Friday, September 5th, 2025 AT 6:14 PM

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