Jun 3, 2019 · VW CC 2010 2.0L CBFA I installed an O2 sensor spacer on my downstream O2 sensor and it seemed to be working for a day. One day later, after the car had cooled down it would rough …

May 1, 2019 · I just wanted to add to this site -- I have recently had good success getting rid of recurring P0420 and P0430 using O2 spacers on the downstream sensors. The car, a 2004 LE FWD, has …

Apr 19, 2020 · Hello, I have been looking on the internet but haven't got a concrete answer on how to exactly splice into my 2004 Toyota Sienna o2 sensor to trick the ECU into not throwing a check …

Does a 90° O2 sensor adapter act as a spacer also? From what I understand adding an O2 sensor makes the engine run leaner since it senses less o2 (But I don’t know if that’s how it works so please …

Jul 18, 2012 · Do Not Use a Rear O2 Sensor Extender Bung/Anti-Fouler/etc With a 2005+ Subaru Normally Aspirated Powertrain

Sep 30, 2017 · A fresh new O2 sensor at the rear might only send out a stronger signal than the old tired one. When I first got a P0420 code, I replaced the sensor and rear cat with an aftermarket cat. The …

May 2, 2023 · anyone stage 2+ green speed without p0420 code FA Series Factory 2.0L Turbo Powertrain

Apr 27, 2015 · Welcome to the . You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, , you will …

Apr 24, 2023 · My understanding is that a healthy upstream O2 sensor generates a DC voltage fluctuating above and below 3.3 volts (edited), and that a healthy downstream O2 sensor generates …

Jan 26, 2011 · O2 spacer question Factory 2.5L Turbo Powertrain (EJ Series Factory 2.5L Turbo)