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Forum > General Smog Check > Question

2004 Kia Rio, how many incomplete monitors are allowed to pass the smog check?

I wanted to know how many incompletes can a car have and still pass the smog check. I have an obd 2 scanner, one of incomplete monitor is the Catalyst monitor.
Answer:

Your Kia Rio can have one (1) monitor not ready and still pass the smog check; except the Catalyst monitor if your vehicle failed an OBD smog test in the past for any catalyst efficiency trouble codes. If your Kia has not had trouble code problems relating to the Catalytic Converter it can pass the smog check with one monitor not ready or incomplete, even if it's the CAT monitor (also known as readiness flag). posted by SmogTips Support

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