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smog test, 1988 240 200

My 88 won't pass. I changed out the o2 sensor & didn't change the readings much. The NO is what is failing. the readings are @ 15 mph-1809 (PPM), passing is 791 PPM.
@25 mph-1795 PPM, passing is 730 PPM. Any ideas. Will fuel inj. additive screw up a test?
Thanks, Robbie






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New 1 smog test, 1988 240 [200]
posted by  rob2dog  on Tue Sep 27 13:29 CST 2005 >


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