Code P0440

- E
- Eugene
  
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posted
19 years ago

Thu, Dec 9, 2004 6:54 PM

P0440 is an evap emissions. It could be caused by a loose gas cap, or problem with the evap system, or in the case of my wife's car a dirty air filter

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- MikeG
  
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posted
19 years ago

Thu, Dec 9, 2004 11:10 PM

2002 5.3, auto, z71 set a code P0440 yesterday on the way home. I think this is the one for a loose gas cap???? Checked cap, was tight and I took it off, looked for crud, nice and clean. Any suggestions. Tx Mike

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