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Hey y'all. P0420 on my 2007 Gen 2 found at emissions testing in Illinois. Aftermarket cat was installed after mine was stolen about 2 years ago....
Hello, My Toyota Prius 2008's Catalytic Converter was recently stolen for second time in the last couple of years. I have full coverage insurance...
P0172, P0300, p0301, p0302, p0304 P3191 and P3193 Hello. Multiple codes were pulled in June when I thought red triangle was the Hybrid Battery....
I've gleaned so much info from these forums over the years I've never had to make an account but here we go. Thanks everyone for your previous...
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...
For the first time my 2006 Prius with 177k miles failed an emissions test :(. P0420 and P0A93-346 were the culprits. Brought it to a mechanic who...
I recently bought an 06 prius with what i thought just needed a HV battery but turned out to need a battery and inverter but a few days later i...
Just bought an 07 Prius last week. Drove fine on the test drive and I got no engine codes when I did a full scan of the system with my BlueDriver...
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...
2006 Prius with almost 250k miles. Minimal oil burning (anout one-half quart every 3000 miles). About 25k miles ago, my Gen2 started throwing...
I have a Red triangle and code P0810 and P0420. Before I get into this I want you to know that I have always done all the maintenance to this...
P0420 tripped only when coolant temp gets to approximayely 175F. I have 2006 Prius with mo other codes. I believe 175F is when computer goes...
[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...
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....
Hello, I have a '04 gen 2 Prius reading code p0016, P0420, and P1121. I know what the codes are for, I have a replacement pump already from a...
Hello All, I decided to make a new thread for the issue at hand. This is the continuation of this thread about purchasing the car: Prius Gen1 -...
I was reluctant to try this hack because I didn't think there was enough space in the gen 3. So first I experimented a bit and tried poisoning the...
P0420 has been coming and going but then stayed as smog test time is getting close. I got the idea somewhere to try applying silicone on the...
I recently purchased a 2013 Prius with 114000 miles on it. The engine light is ON and I scanned for the code and got P0420 "Catalyst System...
Hi all, I've been lurking here for a few weeks now trying to find a solution for my P0420 code because I need to get a smog check fairly soon....
