Question

Chevrolet Silverado with engine code P0157 displayed as O2 Sensor for Bank 2, which side is Bank 2?

Answer 1

P0157 H02S sensor Bank 2 Sensor 2

Bank 2 is located when Bank 1 Is recognized first, Bank 1 is always where cylinder 1 is located, you can identify the cylinders by the use of the sparkplugs, or fuel injector, standing in front of the engine the closest cylinder by use of sparkplugs or fuel injector is cylinder 1, The other side is then Bank 2. Sensor 2 are downstream 02 sensor or catalytic monitor sensor these are after the catalytic converter.

Answer 2

P0157 Chevrolet Code - HO2S Circuit Low Voltage Bank 2 Sensor 2
Read more: https://www.autocodes.com/p0157_chevrolet.html