Question

I got the engine code P0161 on my 1997 GMC Sierra 5.7L. How much is this part?

Answer 1

Hi there,

O2 sensors vary a lot in price depending on which part you get. At the dealer it's roughly $250, at a parts store you can usually pick up a denzo or Bosh O2 sensor for about $150

Answer 2

P0161 GMC Code - HO2S Heater Performance Bank 2 Sensor 2

Read more: https://www.autocodes.com/p0161_gmc.html