EVAP Code P0443 on a ONE YEAR ONLY MODEL 1996 F350 Truck

Discussion in 'F-250 and F-350 General Tech and Info' started by Hotrodjohn71, Jan 23, 2024.

  1. Hotrodjohn71

    Hotrodjohn71 Junior Member

    Likes Received:
    Jan 23, 2024
    Fair Oaks Ca
    Hey fellas, Im trying to help a friend at work solve this code on his 96 F350 7.5 gas engine truck.

    He has installed a new modulator valve and charcoal cannister, but it didnt fix the P0443. He gets a big whoooosh when he removes the gas cap after shutdown also.

    He did a smoke test on the system.

    What do you suggest? Thank you.

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