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emission test (archive)

[ Follow Ups ] [ E30 M3 Message Board ] [ Msg. Board FAQ ]

Posted by Mike Fuller on June 06, 2000 at 19:47:07:

I just had my M-3 tested today and it had high HC (hydrocarbon). They treadmill(or dyno) test in our area and it had 3.06 g/mi. Max acceptable is 2.00. The car has just over 90,000 on it. Could this be an intake gasket leak or AFM adjustment. Would setting the base idle help?

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