Xpat Posted October 14, 2019 Report Share Posted October 14, 2019 Hey everyone I am getting a code telling me that Bank 1 sensors 1 and 2 are having issues, they looked to be around .3V while the other two were at around .8V. Should I replace them or just try cleaning them, and if I replace them what brand should I go with? The OEM ones at my local dealership were around $150 each. Also is bank 1 sensor one the sensor near the fire wall passenger side of the engine, and is the bank 1 sensor 2 the one downstream on the cat on the passenger side? Thanks a lot guys I appreciate it! Quote Link to comment Share on other sites More sharing options...
1004ron Posted October 15, 2019 Report Share Posted October 15, 2019 You cant clean O2 sensors. Shop around for Bosch sensors, and look on RockAuto.com where you'll find OEM Motocraft for a whole lot less than the price you posted. Sensor 1 is directly after the exhaust manifold and upstream of the CAT. Quote Link to comment Share on other sites More sharing options...
Xpat Posted October 15, 2019 Author Report Share Posted October 15, 2019 8 hours ago, 1004ron said: You cant clean O2 sensors. Shop around for Bosch sensors, and look on RockAuto.com where you'll find OEM Motocraft for a whole lot less than the price you posted. Sensor 1 is directly after the exhaust manifold and upstream of the CAT. Awesome thanks! So sensor one is replaced by being underneath the car, where is sensor 2? And in terms of buying them, I see that they are listed usually as upstream or downstream. I need one of each for sensors one and two right? Thanks! Quote Link to comment Share on other sites More sharing options...
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