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[Zach]

Hey Eric, I have a 2001 Nissan Altima with 155k miles that I obtained in july, since hooking up my scanguage I can see that it sits around 200-210F driving it conservatively, (cooling fan comes on at 203). I have the maintenance records and they show a radiator replacement a year and a half ago from a local shop that has a bad reputation around here. Per your numerous suggestions in other videos I bled the coolant to rid the system of any air pockets the best I could, and the problem still persists. A couple weeks ago the check engine light came on with a p0420 code, inefficient catalytic converter. This car has a catalyst integrated into the manifold as well as one underneath the car, but the O2 sensors only read the exhaust from the first cat. How related do you think these issues are, and what would be my best route of addressing them? Would cleaning the condenser and radiator help?

[Author]

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