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  1. #1
    Member
    Join Date
    Dec 2005
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    80

    Unhappy OBDII readiness- system readiness test

    I'm running a 411 ecm in my 98 Chevy truck and am currently running COS1 speed density using EFILive. When I look up my OBDII information, system readiness tests are not ready due to the O2 tests not being completed. Have you guys looked to see how long it takes for these O2 tests to be completed? I have driven the truck for at least a couple of days since my last reflash and it still doesn't show ready. I have three DTCs right now pertaining to MAF, EGR, and EVAP systems which are all currently disconnected, but in my DTC parameters, I have all set to "non emissions" so they shouldn't affect the OBDII tests, should they? Any insight on this is appreciated, since I have to get this thing ready for my smog check soon. Specifically I'm wondering how long the O2 tests usually take to finalize...

    Max
    Last edited by 350SS; April 11th, 2007 at 01:41 PM.
    98 Chevy truck RCSBFS 2wd/5.7L/4L60E:drive:/Paxton Novi 2000 S/C @ 7psi / Megasquirt
    72 Chevelle LQ9/4L80E/GT42 conversion in the works
    http://www.ls1tech.com/forums/showthread.php?t=449129

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