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P0420 CODE on a Subaru Legacy - Maxima Forums   

1 post - Last post: Aug 29, 2008 Hi, We have a 2002 Subaru Legacy. It has about 110K on it. The P0420 Code came on. We Changed the 02 sensors, And the Catalytic Converter ......

Click and Clack, where are you? | Ask Metafilter   

With that said, I drive a '99 Subaru Impreza. I had the P0420 "catalyst inefficiency" code (don't know if that is what you had) and it went ......

Trouble Code P0420 Catalyst System Efficiency Below Threshold ...   

Posts: 1143. had this in the Cruiser AND a Subaru . Both times, replacing the 02 sensors fixed it! ... SEARCH for P0420 . There are a few threads on the code, ......

p0420 - 00' Toyota Celica - CarForums.net - Automotive Chat Forum   

6 posts - 3 authors - Last post: Nov 11, 2004 p0420 - 00' Toyota Celica Toyota. ...  The code I am getting is ' p0420 , Catalyst Efficiency Below Threshold.'  Has anyone else had .... Nissan, Peugeot, Saab, Rover, Scion, Subaru , Suzuki, Toyota, Volkswagen ......

I have a P0420 CEL code on a 2002 Subaru Legacy ... - JustAnswer   

Car question: I have a P0420 CEL code on a 2002 Subaru Legacy that has 180K miles. I changed both O2 sensors about 4 months ago. I'm reluctant to believe ......

P0420 will not clear. Need major help please. - AcuraZine Community   

22 posts - 10 authors - Last post: Jan 7 Below is a link to the fix on Subaru's which is same for any car. I used this on a Toyota Celica w/ a persistent P0420 and it's a permanent ......

Subaru WRX STI Check Engine Light, Code, Hot to Clear | R U Subaru ?   

Alcohol Injection Tuning, Subaru Tuning. Tuning Alcohol Injection on Forced ... With P0420 code disabled, it cannot trigger the CEL, but the rest of the ......

Code P0420 -Catalyst Efficiency Below Threshhold Bank 1 - GTcars ...   

15 posts - 1 author - Last post: Jul 1, 2008 Got the subject code for check engine light pulled at Auto Zone. Car is a '97 Subaru with 165000 miles. Could this be the catalytic ......

- Subaru P0420 After New O2 & Catalytic Converter - OBD-Codes.com   

9 posts - 6 authors - Last post: May 6, 2008 Subaru Forester, I keep getting a P0420 code. I have replaced the catalytic converters and the rear oxygen sensor. ......

The Subaru CEL thread - NASIOC   

25 posts - 13 authors - Last post: Jan 26, 2003 The Subaru CEL thread Service & Maintenance. ... I recently had a P0420 (cat efficiency low, bank 1) on my 00 RS. ......

Repeated instances of P0420 - The Formula Forums   

Repeated instances of P0420 , Hope this is the right section ... factory foglights, Gran Sport stripes, Subaru 6 disc CD changer with seperate amplifier. ......

Strange Intermittant P0420 Trouble Code - CleanMPG Forums   

10 posts - 6 authors - Last post: May 24 Strange Intermittant P0420 Trouble Code Honda Insight I. ... Vehicles: 2006 Honda Insight MT, 2003 Subaru Outback MT, 1999 Honda VFR800 ......

Troubleshooting a P0420 Code - i-Club   

5 posts - 4 authors - Last post: Jun 13, 2008 Troubleshooting a P0420 Code Engine Management. ... Have a 2001 Subaru Legacy Wagon with ~165K on it. History - Intermittently over the ......

Code help - PO440 and P0420 - Toronto Subaru Club   

2 posts - 2 authors - Last post: Nov 29, 2008 I cleared it and it did not come back on, however late last night while driving in the city I got another code: P0420 (Catalyst system ......

2004 Legacy Wagon - P0420 - Subaru Legacy Forums   

8 posts - 6 authors - Last post: Mar 7, 2008 The CEL came on, I took the car to the dealer and they said it was a P0420 code and that I needed to replace the catalytic converter at ......

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