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Should the EVAP_PCT actual value while driving be jumping around as much as 100 PCT?

Discussion in 'Technical Chat' started by Jake in Manassas, Dec 30, 2014.

  1. Dec 30, 2014 at 2:56 PM
    #1
    Jake in Manassas

    #1
    Jake in Manassas [OP] Member

    Joined:
    Dec 28, 2014
    Member:
    #145103
    Messages:
    13
    Gender:
    Male
    First Name:
    Jake
    Manassas
    Vehicle:
    2009 Tacoma 299,598 miles on 12/28/2014
    My 09 has a EVAP failed test. I have been monitoring live data while driving, and the PCT bounces around quite a bit rarely hitting 100%, but also has long inconsistent time periods of o%. I am thinking either a leak or the pressure sensor. Although my 09 will reach 300K miles tomorrow, they are mostly highway and light driving. I also due a decent job of maintaining.

    Anyone's thoughts greatly appreciated.
     
    Jake in Manassas, Dec 30, 2014
    #1

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