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EVAP code 442

Tiny
GLENNLUCE
  • MEMBER
  • 2000 FORD MUSTANG
What would be the most likely cause for code 442 ( small leak detected)? The hoses from the valve in the fenderwell to the manifold are disintegrating on the outside but do not have any cracks. I will replace them.

Is there a common failure of the valve or sensor? I would like to solve the issue without taking the inner fender apart again, but don't want to replace a part unnecessarily.

6 cyl Two Wheel Drive Manual 110000 miles
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Saturday, October 24th, 2009 AT 2:04 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
A loose or damaged fuel door cap is the most common as well as the cheapest cause for this code. However, it is very difficult to find a small leak in the EVAP system without having it tested with a fog machine.
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Saturday, October 24th, 2009 AT 2:14 PM

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