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Thread: Problem with obd tests not complete

  1. #1
    Tuner in Training
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    Problem with obd tests not complete

    I have not flashed the computer in my 2002 cavalier in about 5 days. I need to get an inspection sticker and the O2 sensor test is reading incomplete. I cannot get a sticker until this reads ready. I have put about 150 miles on the car since the last flash of the computer. Is there a reason why this is not reading ready? Is there anything I can do to fix this through HPTuners?

  2. #2
    HP Tuners Support
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    Bill@HPTuners's Avatar
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    Is there a reason why this is not reading ready?
    more then likely its not ready because its not ready.

    Is there anything I can do to fix this through HPTuners?
    yes, figure out what is not completing, find out why, & alter the codes properly.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
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    The test is the Oxygen sensor moniter. What do you mean alter the codes? How long should it take before that test reads ready?

  4. #4
    Супер Модератор EC_Tune's Avatar
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    Do you have the secondary O2 sensor disabled (B1S2)? If so that may be the reason you are getting an incomplete.
    Also the test has to run from a cold start. Most likely you have had at least one cold start.
    http://lyberty.com/car/drive-cycle.html
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  5. #5
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    I dont think that sensor is disabled. How do I check that? I do know that HPTuners doesnt read it but if i plug in my Actron OBD2 scanner I get a reading on that. The only thig that was off is p0130- HO2S Circuit Closed Loop (CL) Performance Bank 1. I switched back on and all of the DTCs are the same as the factory tune.

  6. #6
    Супер Модератор EC_Tune's Avatar
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    The link in my post above shows you how to do a GM drive cycle that should complete all the tests unless you have a dead o2 sensor.
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  7. #7
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    went out and did a drive cycle according to he link above. Now I am just waiting for the catalyst monitor to read ready. I know this may take a fe drive cycles to complete. My main concern of the o2 moniter is now reading ready. Thank You for the info.

  8. #8
    Супер Модератор EC_Tune's Avatar
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    No prob...
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