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recurring P0440 code

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May 6, 2018, 5:58 PM

Post #1 of 2 (363 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
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May 6, 2018, 6:16 PM

Post #2 of 2 (355 views)
Re: recurring P0440 code Sign In

You probably need to smoke test the system for leaks.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

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