Great info! My F53 chassis motorhome had a P0420 code. It has an after market catalytic converter on a brand new vehicle for some reason. Ford service added a spacer for the O2 sensor on the cat. Should spacers also be added upstream on the exhaust? Thanks
Only on the downstream sensor. The upstream o2 sensor is not going to trigger a p420. Here is a little trick someone showed me Genius Trick Pass Smog Visual Inspection with Non-Fouler! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-VHjzqXyOKaw.html
Hello Friend Will this work for a bad catalytic converter? I reset the "check engine" light & comes back within 20 miles. Tried 2 catacleans and the straight non foulers with no luck. Just looking to have all moniters ready when it is time to smog
@@RANDOMFIX i appreciate your response. I am about to purchase one today. This method is cheaper than buying a new catalytic converter for the time being when money is tight. I will keep you posted in 2 weeks. Have a nice rest of your day!
@@RANDOMFIX all I have done to it is remove 2 mufflers. It still currently has 1 on. It was throwing both catalytic insufficiency codes (1 on each side). I have replaced both with the doorman adapter trick and I no longer have insufficiency on either side. I only have the p0161 on the drivers side. I have inspected o2 sensor and it looks fine. Additionally I have tried only using 1 adapter on that side and it is still throwing the code. Any ideas would be appreciated.