p0420
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P0420 diagnosis
Yet another P0420 thread but bare with me. I read so many threads here about P0420 and other emission threads and very thankful for a wealth of...
Thread by: fkat, May 2, 2022, 5 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting -
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can P0446 cause P0420?
Car's had P0420 for a while, and recently noticed P0446, and I'm wondering if it was there before and I may have missed it. Can an evap issue also...
Thread by: k1ngn0thing, Jun 26, 2021, 10 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting -
Thread
P0420 reading
[ATTACH] Check engine light came on for the first time since I bought the car. P0420: Catalytic Converter code. I’m wondering if it could be...
Thread by: mdoprius, Apr 26, 2021, 9 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting -
Thread
P0420 light has been coming on and off intermittently and now it's state inspection time. Help?
I have a 2008 Prius. In August 2019, I was driving across the country when my check engine light came on. I had it read, and it was P0420....
Thread by: ediblestars, Dec 15, 2020, 3 replies, in forum: Gen 2 Prius Care, Maintenance and Troubleshooting
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