2014 Ford Focus P0420. Web what does ford code p0420 mean? Web even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly.
2014 ford transit connect wagon 2014 ford transit connect 2014 ford fiesta sedan 2014 ford fiesta st. This dtc sets when the. Web a forum community dedicated to ford focus st owners and enthusiasts. Clear the codes, road test and if the same code. It can be caused by a faulty catalyst, or it. Web have a 1997 ford explorer v6 ohc. But if the case is the latter, it can lead to engine performance. Replaced 02 sensor upstream bank 2. Web right guys bit of a problem, i've had a 200 cell sports cat fitted about six months ago, and had a new bosh o2 sensor fitted, i got the p0420 code come up every 3. Web ford focus p0420 definition:
Web have a 1997 ford explorer v6 ohc. Web mechanical (focus mk3) fault code p0420: Web code read as p0420. Catalyst system efficiency below threshold (bank 1) issue severity: Web discussion starter · #1 · may 8, 2017. I added a good fuel system. It can be caused by a faulty catalyst, or it. Web p0420 is a cat efficiency code only, it would not be caused by a bad sensor you would have other p01xx codes. Catalyst system efficiency below threshold (bank 1) issue severity: The auto repair labor rates vary by location, your vehicle's make and model, and even. Cleared codes and after 3 drive cycles p0420 came up.
