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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....
I bought a 2006 Gen2 with about 200k and a bad battery. After getting the battery replaced and driving my Gen2, I found that the motor was...
Hello, I am looking at buying a 2001 Gen 1 Prius for $500, the engine is running, and there are no other codes besides P3006. The car has been...
Bought a 2008 2 months ago with 135k miles and have found this form very useful in dealing with its issues, some solved ,some not. I’ve replaced...
January 2019 I had the cat stolen from my 2008 Prius. The insurance company took care of the work as I was on an extended holiday. The car has...
