My check engine light came on last week.
The car seemed to drive none the different.
I sensed a misfire a couple of times while idling though.
Took it to my Indy mechanic who said it was throwing O2 and CAT codes.
He didn't have time to investigate further at that point. I'm booked in for Monday.
My friend said that if the engine isn't tuned correctly, mis-firing/running too rich it can mess with the O2 sensors and the CAT.
If only a tune-up is required would the vehicle have "thrown" different codes?
I fear I'm looking at big bucks to make good!!
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