1979-1993 & 94 Conv [Subscribe to Daily Digest] |
2 years ago I was right on the NOX limit ... and I mean right on!
This time I pre-emptively changed the 02 sensor and passed with 100-150PPM.
I was suspecting the cat but maybe I got lucky. Same plugs and wires.
Maybe that cat is iffy.
posted by 75.101....
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