02-17-2023, 01:17 AM
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#16
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Senior Member
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Join Date: Feb 2019
Location: Hot Springs, AR
Posts: 4,410
Real Name: Patrick
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Senior Member
Join Date: Feb 2019
Location: Hot Springs, AR
Posts: 4,410
Real Name: Patrick
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Quote:
Originally Posted by Endlessblockades
I wouldn't be surprised if there was a 4Runner group that shares a nice dual-cat CA system that they install on each other's rigs every 2 years for testing and straight-pipes it the rest of the time. Scoundrels. Anyway, on post-2000 rigs I'm not sure how much of a visual they do because all emissions data comes from the ECU not a tail-pipe sniffer....I've been lucky so far - knock on wood. Get the cat(s) hot before the test whatever you do - they work better hot. I'm just about to get my smog done before the cat-jackers find me. Then I've got 2 years to worry about it....
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A catalytic converter rental service lol
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2000 SR5 V6 Manual 4WD https://www.toyota-4runner.org/3rd-g...biography.html
2000 Limited V6 Auto E-Locker Sold 3/2022
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02-17-2023, 02:11 AM
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#17
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Elite Member
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Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Elite Member
Join Date: Oct 2014
Location: Citrus Heights, California
Age: 36
Posts: 7,337
Real Name: Jerod
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Replace the upstream one, it does all the heavy lifting. I doubt it's the rear one giving you the headache. I can vouch for the Magnaflow ones, I have one on mine and it passed with almost all 0's across the board. Probably cleaner air coming out of my exhaust than the air we breathe when that wildfire smoke sets in...
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02-17-2023, 05:05 AM
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#18
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Member
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Join Date: May 2020
Location: Ontario
Posts: 424
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Member
Join Date: May 2020
Location: Ontario
Posts: 424
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I just put on a complete 99' Fed emissions OEM exhaust from downpipe to tail pipe with no regrets, its available still and expensive but its good for the next decade or so, and came with the rubber anti-vibe insulator infront of the muffler that Ive never seen, I also added all new O2 sensors & hardware, and the O2 sensor SS covers from the Sequoia, tapped all the crimped OE nuts for easy maintenance in the future, no emissions here but any other options will last half as long and cause more downtime and frustration if you can't weld exhaust(especially in the rust belt), unless it's very high end aftermarket.
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99' Ltd E-locker grey wired, 4R Bilstein 5100, 99 tall coils, 906 OME & 1.5" spacers, 2015 4R Trail Edition 275/70R17, 1" RB BL
97' SR5 E-locker grey wired, Warn winch, 2" RB BL, Sonoran Steel 1.2 lift, dual battery, 1000W inverter, Hydraulic Arctic plow, 12" x 33" Baja Claw
92' Eclipse GSX AWD 6/4 bolt combo, 28 PSI boost, Meth injection, 750cc injectors, FMIC, 2.5" IC piping, full 3" exhaust, 350AWHP, lowered, Alum flywheel, 6 puck Clutch, Cams, JDM gear set,VC rear diff, EPROM ECU
Last edited by Malcolm99; 02-17-2023 at 05:07 AM.
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02-17-2023, 10:16 PM
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#20
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Member
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Join Date: May 2017
Location: Bay Area, Ca
Posts: 325
Real Name: keith and jenny
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Member
Join Date: May 2017
Location: Bay Area, Ca
Posts: 325
Real Name: keith and jenny
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My p0420 didn't go away after a front 02, rear 02, then front cat, then rear cat finally did it. Both magnaflows, the rear one being a 50 state weld in. What a pain in the ass.
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03-20-2023, 04:15 PM
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#21
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Member
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Join Date: Oct 2006
Location: Rocklin, CA
Posts: 884
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Member
Join Date: Oct 2006
Location: Rocklin, CA
Posts: 884
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Front cat did it. Magnaflow Weld in. all flags set, shes good to go for a long time.
It is now for sale, anyone interested? Located in Lincoln, ca.
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2002 SR5 4WD
deckplate + ISR, Airlift 1000, OME 881/890, Goodyear Wrangler Duratrac 265/75/16C
Tundra 231mm Brakes - yes they DO fit the stock 5 spoke rims - Stubbs Welding HD-SKO sliders.
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03-27-2023, 07:25 PM
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#22
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Junior Member
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Join Date: Mar 2023
Location: VA
Posts: 9
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Junior Member
Join Date: Mar 2023
Location: VA
Posts: 9
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My truck has had the p0420 code since I started driving it about a year ago. I got my 4R from my parents and apparently the CEL has been on and throwing that code for 5+ years…
The car runs great which I guess is why it wasn’t addressed earlier. After that amount of time I feel like I’d know if it was something serious, but I’m definitely checking out what could be causing the code ASAP now, just for the peace of mind
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03-28-2023, 10:39 AM
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#23
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Member
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Join Date: Jan 2021
Location: Detroit
Posts: 64
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Member
Join Date: Jan 2021
Location: Detroit
Posts: 64
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Both of my trucks have P0420 and have since I bought them. I've replaced the cheap parts to no avail. We don't do smog testing in Michigan so I quit worrying about it.
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2000 Limited w/ rear locker
-Dobinsons IMS, JBA UCA, Whiteline Bushings
2000 SR5 4WD Auto w/ J Shift
-Stock Beater
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03-28-2023, 11:35 AM
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#24
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Member
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Join Date: Oct 2022
Location: TROY
Posts: 118
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Member
Join Date: Oct 2022
Location: TROY
Posts: 118
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Quote:
Originally Posted by jgue467
So I guess Cali needs all emission items to be in Ready status?
Texas allows one not to be, only one. I get a 420 every time I crawl a few miles, like clockwork despite new cats, A/F and O2 sensor.
Since covid I haven't even bothered going for an inspection since '20, cops just don't care here anymore, is that an option for you?
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From the Texas DPS website:
Which vehicles are required to have the emissions test?
Vehicles registered in designated counties. Designated counties include: Brazoria, Collin, Dallas, Denton, El Paso, Ellis, Fort Bend, Galveston, Harris, Johnson, Kaufman, Montgomery, Parker, Rockwall, Tarrant, Travis, and Williamson.
Your county requires it. I live in Bell county. We have no emissions testing.
Maybe the police in Austin don't care because they're being marginalized and defunded by the socialist trash that is running the city into the ground.
Austin is no longer Texas. It's basically Portland in it's infancy. Give it 20 years.
__________________
99 4wd limited w/ E/locker
3" RC lift-loaded struts. Sonoran Drop diff and adjustable rear Panhard.
JBA Offroad UCA's, Pro comp Raven 16x8 wheels wrapped in 265/75/16 Gladiator Mt ,APOC INDUSTRIES Rear Trailing arms.
RETIRED USCG Aviation Mechanic/Hc130h Flight Engineer/HH65-A Flight Mech.
SEMPER PARATUS
Last edited by Texmax; 03-28-2023 at 11:38 AM.
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