Admin Is upstream the same as downstream?
The terms upstream and downstream oil and gas production refer to an oil or gas company’s location in the supply chain. Upstream oil and gas production is conducted by companies who identify, extract, or produce raw materials. Downstream oil and gas production companies are closer to the end user or consumer.
How many o2 sensors are on a 2003 Toyota Sequoia?
four oxygen sensors
On the 4.7-liter V-8, there are four oxygen sensors. Two are located before the catalytic converters, and two after (or in).
What is upstream and downstream in engine?
A: The upstream sensor threads into the pipe coming from the engine, closer to the front of the car, and the downstream sensor threads into the catalytic converter, more toward the rear of the vehicle.
What does it mean o2 sensor upstream and downstream?
The upstream oxygen sensor is situated before the catalytic converter whereas the downstream oxygen sensor is located after the catalytic converter. The upstream sensor monitors the level of pollutants in the engine’s exhaust and sends this information to the ECU that continuously adjusts the air-fuel ratio.
What side is Bank 2 on Toyota Sequoia?
Bank 1 is the drivers side, Bank 2 is the passenger side. Sensor 1 is upstrem, before the cat, sensor 2 is downstream, after the cat.
How many oxygen sensors does a 2002 Toyota Sequoia have?
Oxygen sensors are located before and after the catalytic converter. A vehicle may have two to five oxygen sensors, and sometimes even more.
What does upstream and downstream mean?
As a business owner or operations manager responsible for production, understanding the supply chain is essential to the success of your business. Upstream refers to the material inputs needed for production, while downstream is the opposite end, where products get produced and distributed.