Unveiling the Power of Oxygen Sensor Bank 1

The fault code reads P0125 and P0135 which points to this issue, the engine starts and runs however under load or acceleration there is some hesitation. GM Genuine Parts Heated Oxygen Sensor Post-Catalyst Bank 1 Sensor 1. GM Part # 12705534. ACDelco Part # 12705534. Quantity Starting at $66.68. Bank 1 is where cylinder #1 is located, so on the 3.3 rear of engine closest to the firewall. Sensor 1 is the upstream O2 sensor before the cat ... Bank 1 sensor 1 is the upstream O2 sensor on the passenger side. Poke your head on the backside of the engine and look behind it and the ... Moreover, you may also notice poor acceleration, engine misfires, and even stalling. Bad oxygen sensors disrupt all kinds of essential engine ... This code means the Heated Oxygen Sensor (HO2S) Resistance is out of range on engine bank 1 (side of engine with cylinder #1) and the sensor upstream or in ... The sensor 1 is tasked with reading the amount of oxygen in the exhaust system and then emitting a voltage measurement between 0.1 and 0.9 volts. It monitors ... Bank 1 is running rich and DME is removing fuel (-6.674%). Does engine run rough for a while after a cold start? I would check for leaking fuel injector. There are four oxygen sensors. Bank 1 is the driver's side and Bank 2 is the passenger's side. Each Bank has a Sensor 1 which screws into a bung ... can someone provide the location of that o2 sensor(interior plug and o2 sensor locations)? i've a p0141 code and the van got 60k mi. thank u!!!