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    DEQ Results

    Had my car tested for DEQ today for the first time. I've never lived where I needed to do this until now, so I know nothing about it. I'm curious what the numbers indicated and what my specific numbers tell about the car.

    HC (PPM) - 84
    CO% - .0628
    CO+CO2 (%) - 14.6

    That's all they tested and everything was checked at idle. The guy at the shop said the numbers looked good, but I'm curious why/how do they look good.

    Car is an M50tu powered E34.

    Thanks!

    #2
    I know in regards to HC (PPM), it's hydrocarbon parts per million. Hydrocarbons are unburnt fuel and oil and the lower the number the better. Idk what Oregon requires but I think it's usually required to have a number around 50-60 for older cars

    CO is carbon monoxide levels. Again the lower the better. A .06 is actually really good as far as I know. I think a crap motor will be like a 1.0/2.0+. I did some research on this stuff before
    Last edited by shameson; 03-28-2015, 05:16 PM.
    '84 Alpine 325e (Gone)
    '91 Alpine 318i (Gone) Click Here
    '92 Alpine 325i Cabrio (Gone) Click Here
    '91 Alpine 318is

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      #3
      Hydrocarbons have to be lower than 220 in the great state of Oregon.
      Portland, Oregon
      E28M5 | E30S50 | E30M3

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        #4
        Originally posted by Austin! View Post
        Hydrocarbons have to be lower than 220 in the great state of Oregon.
        Then I was way off lol
        '84 Alpine 325e (Gone)
        '91 Alpine 318i (Gone) Click Here
        '92 Alpine 325i Cabrio (Gone) Click Here
        '91 Alpine 318is

        Comment

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