2001 toyota 11 step evap test?

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  • 91serturbo
    Junior Member
    • Mar 2017
    • 1

    2001 toyota 11 step evap test?

    im looking for info on the 11 step test.
    specifically what change in ammountof fuel tank pressure the ecm is looking for in step 6 and 8.
    i would like to know what a known good result is for each step.
    any known good test results would be great!
    thanks for your help.

    btw the system im working on is a late type that uses engine vacuum.
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