Unlock Fuel Savings Bank 2 Sensor 1 as the Key to Efficiency

Bank 1 is the side with cylinder 1, on every engine, always. Cylinder 1 is the cylinder closest to the front of the engine (front doesn't mean front of the car ... Code says P0040 error: O2 Sensor Signals Swapped Bank 1 Sensor 1/Bank 2 Sensor 1. Knowing less, i used seafoam in gas tank and engine oil tank with guidelines. ... sensor is not stable, but Bank1 Sensor2 is (duel exhaust vehicle). ... bank 1, therefore the driver's side if the engine would be bank 2. Join us for another informative episode of DIY Automotive! Today, we're unveiling the secret location of the Bank 2 Sensor 1 oxygen sensor ... Use some pb blaster or wd40 and let it sit for at least an hour. I tend to use either a crescent wrench or some groove joint pliers, if I can get them in there. Bank 2 Sensor 1 is located on the Front of the engine, Before the catalyst, it should be visible from under the hood, and lucky you, it should be the easiest ... The O2 sensor is actually before the two pipes join into one - and hence each of these two pipes appears to have what looks very much like an O2 sensor. Think it's always that way bank 1 is drivers side, bank 2 is the passenger side, sensor 1 is the first sensor from the exhaust, 2 the next and so on. Disclaimer: Under no circumstances will proclaimliberty2000 be responsible or liable in any way for any content, including but not limited ... ... sensor 2 would be either on or just after the catalytic converter. ... Note: Some older vehicles with V type engines may only have 1 upstream O2 ...