P0420 code, have 2zzge egine, recommened replacement? - Toyota Nation Forum : Toyota Car and Truck Forums


» Auto Insurance
» Featured Product
Advertisement
Wheel & Tire Center

Go Back   Toyota Nation Forum : Toyota Car and Truck Forums > Toyota Passenger and Sports Car Forums > Corolla and Matrix Forum > 9th Gen Corolla/1st Gen Matrix (2003-2008)

9th Gen Corolla/1st Gen Matrix (2003-2008) 9th generation Corolla and 1st generation Matrix discussion.

ToyotaNation.com is the premier Toyota Forum on the internet. Registered Users do not see the above ads.
Reply
 
LinkBack Thread Tools Display Modes
Old 10-11-2010, 09:52 AM   #1 (permalink)
New TN User
 
Join Date: Oct 2010
Location: New Hampshire
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
iTrader Score: 0 reviews
View maxtrix03xrsvirgin's Photo Gallery
P0420 code, have 2zzge egine, recommened replacement?

I have a 03 Matrix xrs, engine type 2ZZGE. I recently went to get my car inspected at VIP (fyi..I live in NH) and it failed because of code P0420. I'm being told that I need a new catalytic converter. According to my engine sticker info my model passes both US EPA and California emissions standards, which seems to make a difference when searching for the right part online.

After reading through several posts/strings, I'm getting worried that fixing this won't solve my problem. I do know that if I do need to replace the cat/cov that it's problably best to stay away from the aftermarket parts.

Any thoughts...and further...any recommendations on a suitable replacement?
maxtrix03xrsvirgin is offline   Reply With Quote
Sponsored Links
Advertisement
 
Old 10-12-2010, 07:02 AM   #2 (permalink)
Senior TN Member
 
Join Date: Jan 2006
Location: Lancaster, PA
Posts: 3,103
Gameroom cash: $976618
Thanks: 61
Thanked 252 Times in 232 Posts
iTrader Score: 0 reviews
View mikered30's Photo Gallery
How many miles do you have?
mikered30 is offline   Reply With Quote
Old 10-12-2010, 07:38 AM   #3 (permalink)
30YRTOYOTAPARTSEXPERINCE
 
TOYOPARTSMAN's Avatar
 
Join Date: Jul 2010
Location: Newnan, GA
Posts: 1,237
Gameroom cash: $431000
Thanks: 71
Thanked 232 Times in 173 Posts
iTrader Score: 13 reviews
View TOYOPARTSMAN's Photo Gallery
PM sent for some infomration. As far as replacement, if you don't go OEM, you'll have to check around or ask the members what they did.

Quote:
Originally Posted by maxtrix03xrsvirgin View Post
I have a 03 Matrix xrs, engine type 2ZZGE. I recently went to get my car inspected at VIP (fyi..I live in NH) and it failed because of code P0420. I'm being told that I need a new catalytic converter. According to my engine sticker info my model passes both US EPA and California emissions standards, which seems to make a difference when searching for the right part online.

After reading through several posts/strings, I'm getting worried that fixing this won't solve my problem. I do know that if I do need to replace the cat/cov that it's problably best to stay away from the aftermarket parts.

Any thoughts...and further...any recommendations on a suitable replacement?
__________________
Gary Smith-Parts Manager
garys@toyotaofnewnan.com
www.ToyotaofNewnan.com
678-854-9601
TOYOPARTSMAN is offline   Reply With Quote
Old 10-12-2010, 08:34 AM   #4 (permalink)
New TN User
 
Join Date: Oct 2010
Location: New Hampshire
Posts: 2
Thanks: 0
Thanked 0 Times in 0 Posts
iTrader Score: 0 reviews
View maxtrix03xrsvirgin's Photo Gallery
229k miles
maxtrix03xrsvirgin is offline   Reply With Quote
Old 11-27-2010, 10:18 AM   #5 (permalink)
New TN User
 
Join Date: Nov 2010
Location: Montreal Quebec Canada
Posts: 3
Thanks: 0
Thanked 0 Times in 0 Posts
iTrader Score: 0 reviews
View EL CONTRADOR's Photo Gallery
Canada P0420 vs over 10% Ethanol gasoline

Hi!!

I've been reading A LOT on this P0420 problem and found out a few good thing you might like to know!!!


I lot of people have the same problem that we do, some changed everything related to emission system. Cats, o2 sensors, MAF, MAP, Temperature Sensor and still had the light coming on!!


On thing that not a lot a people think of checking is the Ethanol rating in the gasoline they use!! Toyota tacoma are set to use Gas with less then 10% ethanol... So what i did is I empty my tank and filled it back with ethanol Free Gasoline, unplug the battery to erase the codes and Guess what, no more light...


The problem with ethanol is that it doesn't burn like regular gas at all and our O2 sensors do not reconised the exhaust gas so your check engine light turn on!!!


I was using Gasoline that had 12% Ethanol and didn't know it!!


Try that and let me know what happens


Thanks
EL CONTRADOR is offline   Reply With Quote
Old 11-29-2010, 12:15 PM   #6 (permalink)
Gearhead
 
Join Date: Jul 2004
Location: Northern Virginia
Posts: 1,917
Gameroom cash: $302665
Thanks: 10
Thanked 199 Times in 181 Posts
iTrader Score: 0 reviews
View fishexpo101's Photo Gallery
Could try resetting the ECM and see if the code comes back. More than 70% of those P0420 do not show up after being reset - "automagically" fixes itself. If the code pops back immediately, then you have a definitely issue causing the CEL. Could be as simple as an exhaust leak or more likely, a bad downstream (post cat) O2 sensor. You'll have to backprobe the sensor to be sure.

It is possible at that mileage that the catalytic converter has gone bad - more so if the car consumes any amount of oil. In that case, start shopping around - depending on the smog laws there - you could be stuck purchasing a cat that is legal for Federal and Cali specs - usually means OEM and expensive..
__________________
2002 Toyota Corolla S, 1.8L 1ZZ-FE VVT-i
2003 Toyota Matrix XRS, 1.8L 2ZZ-GE, VVTL-i (RIP)
2009 Toyota Matrix XRS, 2.4L 2AZ-FE VVT-i
2009 Toyota RAV4 Limited, 2.5L 2AR-FE Dual VVT-i
fishexpo101 is offline   Reply With Quote
Old 12-12-2010, 10:20 PM   #7 (permalink)
Official TN Member
 
yotatrix's Avatar
 
Join Date: Sep 2005
Location: Sacramento, CA
Posts: 89
Thanks: 1
Thanked 1 Time in 1 Post
iTrader Score: 0 reviews
View yotatrix's Photo Gallery
i changed the cat and 2 O2 sensors and replaced cat with a obd ii replacement
__________________

2003 Toyota Matrix XRS
2010 Toyota Corolla S
yotatrix is offline   Reply With Quote
Old 12-16-2010, 08:58 PM   #8 (permalink)
New TN User
 
Join Date: Dec 2010
Location: Queens Ny
Posts: 45
Thanks: 0
Thanked 5 Times in 5 Posts
iTrader Score: 0 reviews
View littleslim1474's Photo Gallery
Well your theory on the gas with the ethanol is just a theory. O2 sensor do not read gas at all they check the level of oxygen in the exhaust based on what it reads from the outside. And Airfuel sensor do the same but have a greater operating range to work in. You could just clear the code and drive to see if it come back right away might get lucky. But the ECM check the CAT operation by running the engine lean and seeing how long it take the oxygen to show up at the downstream O2 sensor then rich to see how much fuel the converter brake down before the down stream sensor see the rich condition. If the CAT doesnt fall in between the operating range in the ecu it sets the code. The CAT is basicully a sponge the absorbs oxygen and uses it to break done unburnt gas. So as long as both sensor are reading and not reading slow all u need is the cat and maybe the sensors. If u go aftermarket make sure it meets CAli standards to be safe. Hope this helps
littleslim1474 is offline   Reply With Quote
Sponsored Links
Advertisement
 
Reply

  Toyota Nation Forum : Toyota Car and Truck Forums > Toyota Passenger and Sports Car Forums > Corolla and Matrix Forum > 9th Gen Corolla/1st Gen Matrix (2003-2008)

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Powered by vBadvanced CMPS v3.2.2

All times are GMT -5. The time now is 08:35 PM.



Powered by vBulletin® Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0
Garage Plus vBulletin Plugins by Drive Thru Online, Inc.
ToyotaNation.com is an independent Toyota/Lexus enthusiast website. ToyotaNation.com is not sponsored by or in any way affiliated with Toyota Motor Sales, USA, Inc. The Toyota, Lexus and Scion names and logos are trademarks owned by Toyota Motor Sales, USA, Inc.