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Gas Cap and Checking engine light is on?

Tiny
CRAZYDOG72
  • MEMBER
  • 2007 DODGE DURANGO
  • 3.7L
  • V6
  • 2WD
  • AUTOMATIC
  • 260,000 MILES
The display says Gas Cap and the Checking engine light is on. I've replaced the gas cap, evap and checked vacuum lines connected to it. I did find a hard plastic line near the tank, which goes to the evap and I reconnected it. Could it be about the tank?
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Thursday, July 18th, 2024 AT 3:01 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 45,347 POSTS
Yep, there is a leak in the EVAP system. The best way is to use a smoke machine mounted to the tank fill and check to see where the smoke is coming from. I have included the popular leak point in the images below. I would put the car in the air and use a flashlight to see if you can find the broken hose etc.

This guide can help:

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

Check out the images (below). Please let us know what happens.
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Thursday, July 18th, 2024 AT 12:17 PM

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