Unlocking Engine Efficiency Replace Your Bank 1 Sensor 2 Oxygen Sensor Today

“Sensor 2” usually means a downstream O2 sensor, which is in the exhaust after the catalytic converter. It's sole purpose is to verify that the ... There are two O2 sensors, an upstream (on the rear exhaust manifold) and a downstream (on the side of the catalytic converter). The downstream ... Is it a 4 or 6 cylinder? If it is a 4 cyl the sensor is behind the cat in the exhaust pipe and the connector it clipped to the intake manifold. I'm sorry, but bank 1 sensor 2 is behind the cat. There is no sensor 3. The reason I know this is because I just replaced that sensor. (And ... Besides replacing a head gasket, you will also need to replace the affected O2 sensors for that bank of cylinders. ... (2 of them), 1993 ... The code reader is telling me that this is the "Bank 1 Sensor 2" O2 sensor. Just trying to confirm that the Bank 1 Sensor 2 is also known as the Downstream ... This code suggests that the oxygen levels are below the desired threshold (Bank 1) ... The mechanic may also check the rear O2 sensor to gauge any excess wear or ... Performance & Maintenance - O2 - Bank 1 Sensor 2 - Hello, my 97 sc400 has a code for a bank 1 sensor 2 o2 sensor, a mechanic told me that ... Symptoms of a Failing Oxygen Sensor · Illuminated Check Engine Light · Poor Gas Mileage (Plus Bad Smells & Black Smoke) · Poor Engine Performance. Bank 1 is the right hand side bank (when you stand behind the engine and face towards the belts), so for the JR (transverse layout) bank 1 is closest to the ...