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  1. 1Gen-Tundra
    Okay guys, this is a long story so sit back. I purchased this truck with 216k miles on it and it had aftermarket cats on it. In a few months, I started getting P0420 and P0430 codes. The cats and the O2 sensors looked old. Before I could do anything to it, I drove by one of the roadside monitors...
  2. 1Gen-Tundra
    The passenger cat was stolen this past August off my 2006 Toyota Tundra TRD V8 with California Emissions. Insurance paid for a complete replacement including driverside cat and all new upstream and downstream O2 sensors. As part of the install, my mechanic had to weld to the exhaust pipe on...
  3. 1Gen-Sequoia
    I have a 2006 toyota Sequioa sr5 and I recently bought it about 3 weeks ago for 3,900 with 115,xxx miles original yes I know really cheap I got lucky but when I bought it,, it had no cats they were stolen and it has straight pipe I really don’t know how long it’s been like that person I bought...
  4. 1Gen-Sequoia
    Hello, I’m hopeful someone can help me troubleshoot these catalytic converter codes so I can try to avoid throwing tons of money at the vehicle and not solving the problem. The vehicle has about 234k miles and the codes are for insufficient catalyst efficiency on each bank. These first showed...
  5. Tundra News
    We have came up with a design for 2008-2022 theft prevention plate to protect your sequoia and tundra cats from getting stolen
  6. 2Gen-Brakes
    Recently thieves tried to steal my catalytic converter. In attempting to cut the catalytic converter out of my exhaust they left several kerf/cuts on both ends in my exhaust. One is more than 3/4 of the way through the others (there are 4 other cuts) are about 1/2 way through. What's the best...
  7. Performance Intake & Exhaust Systems
    Hi, past month got a Tundra 2010 4.6, and few days ago, check engine ligth came on, taked to shop, and error P0420, P0430 Cats Converters. How can check if cats are really the problem? Tundra its 96 k... Any aftermarket cats that recommended? thanks for your help...
  8. Performance Intake & Exhaust Systems
    Hello, I am just curious if there would be anything wrong with dumping the exhaust on my Tundra after the catlytic converters where it unbolts there on both sides before it reaches the muffler so it would be catalytic converters then a little bit of pipe and then dumped. I have a 2008 5.7L
  9. 1Gen-Tundra
    So I just got my 2003 Tundra SR5 V8 back from the dealer after my frame swap and he made me aware that my exhaust was really rotted out. In fact when they re-assembled it, a couple holes opened up in two of the pipes and now I have a rather nice sound rumble-y V8 (which won't pass inspection due...
  10. 1Gen-Tundra
    I just got a 02 tundra with 3.4L v6 and the catalytic converter code p0420 going off. What is the best approach to fix problem? 1) replace catalytic converter 2) replace with some exhaust system (without making a ridiculous matchbox car sound) 3) don't worry about the light I do believe the cat...
  11. 1Gen-Tundra
    Hi, I am new to the forum. I have a 2004 Tundra Double Cab with the 4.7 V8. A year ago, the trouble code for the front O2 sensors came on and these were replaced. More recently, I am getting a P0430, which is, as I understand it, the passenger side Catalytic Converter system efficiency. My...
  12. 1Gen-Tundra
    Q1. I am trying to purchase a refurbished, OEM, drivers side Cat from "Smith Cat", a company out of Illinois. They offers these guaranteed OEM cats for about half the price of new, and they've got a pretty good warranty. When I gave them ALL of my info they said that there were several options...
  13. 1Gen-Tundra
    I know this has been an epidemic kinda thing a few years ago, but I guess it's still happening. I remember around 2009, or so, how it made the main news and media reports....but never thought it would hit home personally :mad:. I'll go "search" in a few minutes, but wanted to VENT my ANGER...
  14. 1Gen-Tundra
    Hi All, So while debating the $1400 quote to replace the catalytic converters on my 01 Tundra V8, I'm leaning more towards doing them myself. I have ramps to raise the front so I can get to them, and I'm checking pricing on the parts. Had anyone here done these before? If so, any insight...
  15. 1Gen-Tundra
    OK Guys, I need your help. I have a 2001 Tundra with 215K miles; I'm the original owner and I'm a lady! I've taken the truck to several different mechanics and I cannot get a straight answer about this code; they simply want to replace the catalytic converter. Also, I've been told to go to a...
  16. Intake and Exhaust
    My engine light was going on and off periodically, then finally stayed on. I had the muffler replaced this past weekend because of a hole in the top. While it was at the shop, the technician pulled a P0420 code and reset it. Two days later the light came back on so I took my truck to AutoZone...
  17. 1Gen-Tacoma
    Just had a really fun day getting my 1998 2.7L 4 cyl 4wd tacoma smogged. It passed the emissions easily, but the test center failed me because the sticker under the hood is saying that it has 2 catalytic converters ("twc+twc") when it only has one. "Comprehensive visual inspection: failed"...
  18. Highlander
    I feel like an outcast... I cannot find any information on how or where to get a bolt-on (not weld on) cat converter for my 2001 4 cyl Highlander. There are a ton of websites with 6cyl models. I found one with an overpriced one for a 4cyl version. My Haynes manual is highly lacking in explaining...
  19. 2Gen-Tundra
    Last week I was driving to the store and suddenly the "check engine" light came on and the truck went into the "limp home" mode which reduces the power. I immediatly took it to the dealer and the code showed that it was an airpump failure. There are two of them and they pump high volumes of...
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