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Have you done just a exhaust sniff test?
I did that a few months ago and my eyes were teary with richness. Not horrible, but not right. I checked the easiest first- The temp sensor which read about 4.8k ohms. I R&R it today and remeasured at 70 F, 5.6k ohms.
Seems much better- last time through emission testing it was only NOX that was very close. I'm hoping it was out of range last year... New plugs and an oil change before we pay the test station.
Michael
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Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E
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