2000 Chevrolet Silverado 2500 6.0L with engine code P0157

Question

Would an exhaust leak at the manifold pipe on bank 2 cause the P0157code on bank 2?

Answer 1

Hi there,

It is possible this could cause the code if the leak is prior to the O2 sensor. If it's after the sensor then the sensor itself is likely faulty.

Answer 2

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