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Thread: Readiness States on my Chevy 4.3

  1. #1
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    Readiness States on my Chevy 4.3

    '99 S10 w/ 4.3 V6

    I just performed and intake swap and I'm awaiting the readiness
    states to all "complete" so I can take it for my emissions sticker.
    I must've driven 30-40 miles by now and the "Catalyst", "Evap
    System" and "Oxygen Sensor Heater" are still "incomplete". How
    long should it take for them to complete? Can I do something to
    help them along or troubleshoot what could be wrong?

  2. #2
    Advanced Tuner
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    lookup the GM drive cycle VIA google. witht he right road yo should be able to do ti in 30min.
    Me love boost long time.

  3. #3
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    I have the cycle and I've gone through many of them.
    The only readiness left is the "Evap System". I'm not
    sure how to get this one completed. Can I expect to
    see an error or failure if there's a problem and it's not
    going to Complete? Right now its still Incomplete.

  4. #4
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    Ok, I'm starting to get a little upset with this thing now.
    My Evaporative System is STILL in an Incomplete state,
    and I must have 100-150 miles logged, maybe more. I'm
    curious what I need to do to get this sucker to complete?

    If there's something wrong, is it going to tell me through
    a DTC and not just remain in a cryptic Incomplete state?

    I wish I knew how to get this readiness test ready...

  5. #5
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    Can the Evaporative System be tuned out with HP Tuners?

  6. #6
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    Quote Originally Posted by thehemi
    Can the Evaporative System be tuned out with HP Tuners?
    Fortunately this wasn't necessary. I'm able to pass our local
    emissions inspection with the Evap System in Not Ready state.

    So I'm in great shape.

  7. #7
    Advanced Tuner
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    Quote Originally Posted by thehemi
    I have the cycle and I've gone through many of them.
    The only readiness left is the "Evap System". I'm not
    sure how to get this one completed. Can I expect to
    see an error or failure if there's a problem and it's not
    going to Complete? Right now its still Incomplete.
    The dumbest shit will fail you on that one. A breather in the valve cover. A cracked vacuum line, even a gas cap not fitting tight.
    Me love boost long time.