My 60 registration Mazda 2 with 44,500 miles passed this morning with no advisories, but I noted increases in 3 readings in particular, from the Fast Idle section:
CO 0.12% (2015: 0.02%)
HC 42ppm (2015: 27ppm)
Lambda 1.03 (2015: 1.00)
Do these changes suggest anything significant?
NorthBear
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