Dismiss Notice

Welcome To CK5!

Registering is free and easy! Hope to see you on the forums soon.

Score a FREE t-shirt and membership sticker when you sign up for a Premium Membership and choose the recurring plan.

evap emission control system leak

Discussion in 'The Garage' started by 90K5, Apr 6, 2007.

  1. 90K5

    90K5 1/2 ton status

    Joined:
    Jun 1, 2000
    Posts:
    3,719
    Likes Received:
    0
    Location:
    Lubbock, TX
    Got a check engine code PO442, says a small leak exists in the evaporative emission control system...anyone had this problem, ideas whereto start looking? Truck is an 01 silverado with the 4.3
     
  2. shadow6000

    shadow6000 1/2 ton status

    Joined:
    Jan 2, 2006
    Posts:
    126
    Likes Received:
    0
    Location:
    North Wilkesboro, NC
    Check your gas cap. You may not have gotten it back on tight at your last fuel stop.
     
  3. k5floyd

    k5floyd 1/2 ton status

    Joined:
    Feb 6, 2004
    Posts:
    313
    Likes Received:
    0
    Location:
    Friendswood, Tx
    could also be evap purge solenoid, i replace a lot of those at work. takes less than 5 min to do.
     
  4. Thunder

    Thunder 3/4 ton status

    Joined:
    Jul 20, 2000
    Posts:
    8,946
    Likes Received:
    1
    Location:
    Northeast Nevada
    Check your vaccum lines also.
     

Share This Page