99 Civic EX - P0420 Code older_hondaon Jun 11, 2009 Jul 10, 201807:34 PM byCeabiskett 12 22,318 Honda Civic / Del Sol (1992 - 2000) Suspension help - rattling/knocking sounds when going over bumps Liberty.Ron Apr 24, 2012
The Honda Accord 2.4L P0351 error code indicates that there is a problem with an ignition coil. The Honda Accord P0087 sedan/coupe 2.4L engine code causes code P0420 in some cases. P0087 means the fuel rail's pressure is too low and P0420 means there is an issue with the catalyst...
The first thing you’re going to notice when you have a bad catalytic converter is a check engine light with a P0420 or a P0430 code. Another symptom would be a car that does not accelerate fast when you step on the gas. How to Fix a Bad Catalytic Converter You’ll need to confirm...
The EGR codes P0401 or P1491 in a V6 Accord could be caused by a clogged up EGR port. There was a TSB mentioning cleaning the EGR port, and installing the EGR pipe kit as a fix for this issue. There are severalvideosdescribing this repair. Worn sway bar bushings could be one of the...
Re-flashed the 19.5 PSI basemap and disabled rev-hang, the P0420 catalyst efficiency DTC, enabled advanced VSA and enabled the "light ignition pullback, moderate throttle pullback" advanced VSA control strategy. 5/8/2023 update: 62k miles and still going strong I've been tuned in...