my 91 nsx failed its emission test. it has 46000 miles and the cats appear ok. any thoughts?
asm2525 test
limit reading result
HC ppm 69 218 fail
CO% 0.38 0.70 fail
NO ppm 777 1078 fail
curb idle test-pass
asm2525 test
limit reading result
HC ppm 69 218 fail
CO% 0.38 0.70 fail
NO ppm 777 1078 fail
curb idle test-pass
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