Some users have reported that installing a k&n intake system can cause a p0402 code, which is related to the. The p0420 code is a generic powertrain code that indicates a problem with the catalytic. The p0420 code is a generic powertrain code that indicates a problem with the catalytic converter in the exhaust.
2005 Subaru Impreza WRX STi spec V Limited 2005 Specs Review (206 kW
The subaru p0420 code looks scary, but it’s solvable with methodical diagnosis
What is the p0420 check engine light on a subaru wrx
The p0420 check engine light on a subaru wrx typically. The most common fix for p0420 in the subaru wrx is a new catalytic converter, followed by an o2 sensor. The cost of repairing a p0420 code on a subaru vehicle can vary depending on the specific cause of the issue and the parts needed. If the check engine light comes on in your subaru there is always a corresponding code set in the computers.
Now that you have more air flow because of less restricted downpipe, you also have more oxygen hitting your rear o2 sensor Told my tuner i kept running rich and that i got a p0420 code now and his response below “regarding the grimmspeed jpipe, it's. 2020 wrx sti w/ tomei catback
No other mods done but that
Did the rear differential and transmission oil change at 52k My daily driver 2019 wrx sti has 65k miles and is bone stock It recently threw a cel for p0420, catalyst system efficiency below. Shortly after we bought our 2005 impreza outback sport with 253k miles last summer it started throwing p0420 codes.
I have a 17 sti with a stage 1 cold air intake, and gfb hybrid blow off valve Tuned with cobb and a borla catback exhaust. Enjoy the videos and music you love, upload original content, and share it all with friends,. Help p0420 code i have a 2018 sti w/ 25,000 miles and i have a cobb downpipe and cobb titanium catback installed
I also have a ptp.
Month ago i got this p0420 code when i was getting on the interstate (was getting on it pretty hard) What is the p0420 code
