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Help failed smog because of HC (ppm).

Discussion in 'Civic and del Sol - EG and EK' started by brdude, Mar 23, 2008.

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  1. brdude

    brdude New Member

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    I have a 1994 civic ex and I just took it in for the 4th time yesterday to get smog checked and it failed once again. Here are the changes made so far.

    Changed spark plugs, spark plug cables, distributor cap, rotor, oil change, run some injection fuel cleaner, a cat converter change to a walker 15800.

    Here it's what it comes back with:

    Test:
    15mph 1777rpm
    25mph 2047rpm

    %CO2:
    Meas
    14.6
    14.5

    %O2
    meas
    0.0
    0.1

    HC (PPM)
    Max Ave meas
    92 21 113 (Reason for failure)
    57 13 26

    CO(%)
    Max Ave meas
    0.55 0.06 0.10
    0.54 0.05 0.02

    NO (PPM)
    Max Ave meas
    716 150 35
    764 136 313

    I'm going crazy over this any help would be great.
     
  2. George777

    George777 ^^ Likes Bewbies

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    Where are you located? I know in Nevada, if you have 2 failed emissions test papers and you pay a dealership $200, or you use $250 or more in parts in attempts to pass, you go get your third failed test and then DMV will waive your emissions till next year...

    I played with the timing on mine and finally got it to pass...

    Or you could find someone that will pass it...
     
  3. awptickes

    awptickes unimpressed by you VIP

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    What about the air filter?
     
  4. brdude

    brdude New Member

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    I

    I live in California. I`ll try to play whit the timing belt.

    I have not changed the air filter.
     
  5. eg6sir

    eg6sir Supa Mod Moderator VIP

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    get a new o2 sensor.. its most likely the problem
     
  6. brdude

    brdude New Member

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    Sorry should have mentioned I have changed the O2 sensor as well.
     
  7. eg6sir

    eg6sir Supa Mod Moderator VIP

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    how long are you driving before you go get the car tested?? you want the cat to be as hot as possible.. fuel pressure could be too high
     
  8. brdude

    brdude New Member

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    I drove it for about 10 min before I was also using cheap gas.
     
  9. awptickes

    awptickes unimpressed by you VIP

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    I would try the air filter, and at this point gas isn't going to help much, it takes too long for the ECU to self-adjust....
     
  10. projecteg

    projecteg built jdm b16

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    are there any check engine lights?
     
  11. eg6sir

    eg6sir Supa Mod Moderator VIP

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  12. brdude

    brdude New Member

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    Check engine light is not on. I'll change the air filter even do I changed it about 4 months ago.

    I'll be checking the sea foam out I hope i can find it at a close store close to my house.
    Edit: I was looking at the web site and I was wandering in my case how should I apply the sea foam?
     
    Last edited: Mar 24, 2008
  13. eg6sir

    eg6sir Supa Mod Moderator VIP

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  14. LS_VTEC

    LS_VTEC you get the BRAKE

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    If your not getting any cel codes than your o2 is working. You would fail for the cel being on period. Your engine is simply running too rich. Could be from a bad cat, incorrect timing, burned exhaust valves and so forth. Check your a/f ratio at a local shop. An average a/f ratio should be 15:1 roughly. If you can get the ratio close to that than you should be able to pass unless something is keeping your computer from letting it.
     
  15. 91_civic_si

    91_civic_si New Member

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    Is it a California car?
     
  16. LS_VTEC

    LS_VTEC you get the BRAKE

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    I think that question was answered already.
     
  17. 94 tird

    94 tird New Member

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    i live in maryland and i just made sure my car was slammed wen i went and they wouldnt let it on the rollers. so they just gave me a waived thing. so im good for 2 more years. just turn your coilovers way down.
     
  18. LS_VTEC

    LS_VTEC you get the BRAKE

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    Well the employee who waived you by and passed you without running the tests will eventually get fired, IF your story isn't complete BS. By law your headlights must be 'x' inches from the ground. This varies from state to state. You would've failed right from the get-go.
     
  19. Jared759

    Jared759 Well-Known Member VIP

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    Move to South Carolina...

    No inspections.
    No hassles.
     
  20. LS_VTEC

    LS_VTEC you get the BRAKE

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    And lots of open fields with corn crops and sticks.
     
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