failed smog check
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Honda-Tech Member
Joined: Apr 2001
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From: San Diego, California USA
failed smog check
89 prelude SI. HC 170ppm needs to be under 120ppm. planning on changing
the O2 sensors with NGK P/N 21000 universals. anybody else have this problem.
the O2 sensors with NGK P/N 21000 universals. anybody else have this problem.
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