Elevate Engine Efficiency Bank 2 Sensor 1 as the Key to Unleashing Power

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. 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. The reading I've done on related topics here mention a Bank 1 Sensor 1 Oxygen Sensor. Could someone explain the difference and expected ... Hi .. Have a p0052 code o2 sensor bank 2 sensor 1 .. I just replaced it. Pulled the battery terminals for about 10 min. Yes, P0155 is a heater code that simply means B2S1 needs replaced. You have to have patience and the right tools for this sensor(not necessarily ... Bank 1 is cylinders 1 to 3, so looking at the exhaust manifold, it is the pre-cat O2 sensor closest to the radiator. The driver side bank reads way differently than the passenger side, and the verdict that it's Bank 1 that's the anomaly is, fuel table values match the sensor ... Driver's side, before the cat. Click to expand... Advance Auto Parts - Down for Maintenance This would be ... Autozone said that the O2 sensor was easy to replace, but that the Fuel/Air Metering was something that only the dealership could fix. That sensor is the driverside rear sensor on the secondary cats. It's easy to change, just be very careful, as alot have damaged the sensor when moving over to ...