Replacing Maxima O2 Sensors Upstream O2 sensors: Necessary tools: *3/8″ drive ratchet *22mm O2 sensor removal ratchet (rent it from Autozone for free) *OEM upstream O2 sensor(s) *Anti-seize *PB Blaster (or WD40) *Scissors 1. Put the front end of the car on ramps or jackstands 2. Spray the O2 sensors with PB blaster (or other […]
350Z Check Engine Light With High-Flow Cats?
By: Anonymous Basically, this is a solution to the dreaded CEL that many of us get from switching to testpipes. The idea is to place a gap between the pipe and the sensor to reduce the amount of exhaust gases that the sensor will see/detect. This is becoming a very popular mod over since it […]
Removing and Installing the Rear O2 sensor on a Nissan Maxima/Infiniti I30
This describes the removal and installation of the rear O2 sensor behind the catalytic converter for 95-99(Federal Emissions) Maxima/I30s. Items Needed: PB Blaster (or other rust penetrant) 22mm Wrench Flat Head Screwdriver Electrical Tape Jack and Stands Work Light First you will need to remove the bad O2 sensor. Use generous amounts (frequently) of the […]
1997-2001 Q45 O2 Sensor Replacement
Y33 O2 Sensor Replacement By:bullittandy Just finished the O2 sensors (all 4) on my 97 Q45. Here’s a heads up for others attempting the job. WD-40 / PB Blaster MUST be used! Don’t try to do anything until the sensor nuts have soaked for at least 30 minutes but the longer the better (I soaked […]
