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SES light on and code P0442

Tiny
JACOBRSR
  • MEMBER
  • 2003 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 177,000 MILES
Hello,

I did try replacing the gas cap and then resetting the code, but it ended up coming back on so that tells me the gas cap isn't the problem. I can smell fuel also as I am driving the vehicle too. I thought of replacing the canister purge valve to see if that would help.
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Monday, January 20th, 2020 AT 8:16 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good afternoon,

This code could be many things. The fact you have and smell fuel tells me the canister may be full of fuel. It would have to be replaced. There is no cleaning procedure for this.

https://www.2carpros.com/articles/how-emission-control-systems-work

This is a result of the purge valve pulling fuel from the tank into the system and the canister.

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

I have attached pictures for you. The last picture is the purge valve on the intake manifold.

Roy
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Tuesday, January 21st, 2020 AT 10:20 AM

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