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recurring P0440 code


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gogocamcam
Novice

May 6, 2018, 5:58 PM

Post #1 of 2 (234 views)
recurring P0440 code Sign In

Nissan Sentra 1997 model AT 1.6. P0446 and P0440 recurring codes. P0446 code stopped recurring when gas cap replaced two months ago. P0440 still comes back after every 3 or 4 weeks. What is causing this and how to fix?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 6, 2018, 6:16 PM

Post #2 of 2 (226 views)
Re: recurring P0440 code Sign In

You probably need to smoke test the system for leaks.



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