We will be clarifying each one in detail so that you have no trouble using either of the two methods to locate the right sensors successfully. We will explain in detail bank 1 and bank 2 sensors and also sensor 1 and sensor 2 so that from next time onward you are able to locate and then replace the right sensors.
The cylinders in the engine are mostly divided into two parts. If the engine in your car is V-engine, then it will have one bank on each of the two sides of the engine. The right way to tell which side is Bank 1 and which side is Bank 2 by using the following method:. Bank 1: It is the side which has the 1 cylinder. For instance, Cylinders 1 — 3 — 5 — 7.
Bank 2: It is the side which has the 2 cylinder. For instance, Cylinders 2 — 4 — 6 — 8. There are two types of Engines, inline engines and transverse engines engines that are mounted in other directions.
Now the next problem that arises is how to be able to tell the number of a cylinder. In order to be able to do that, this is what you got to know first. Some of these different ways are mentioned below:. The number will be stamped on the crankcase. In some cases, they got the numbers written on them. So they might not be in the right positions. The dealer might have some information about that as well.
The sensor number is supposed to tell us where the O2 sensor or the Exhaust temperature sensor is located or mounted on the exhaust system. The 1st sensor is always located the closest to the engine, and the second is always located at the rear end of the exhaust system. In the case of more than 2 sensors, such as in diesel engines as they need a lot of exhaust temperature sensors, there might be sensor etc.
In such a case, sensor 1 is located nearest to the engine, and the last sensor is located at the rear end of the exhaust system. On Ford V6 and V8 engines, for example, cylinder number one is typically the RIGHT front cylinder on the passenger side in a rear-wheel drive car or truck.
On a Ford front-wheel drive car or minivan with a transverse sideways mounted engine, the number one cylinder is on the back side of the engine closest to the firewall on the right passenger side of the engine. On a GM front-wheel drive car or minivan with a transverse sideways mounted engine, the number one cylinder is on the front side of the engine closest to the radiator on the right passenger side of the engine.
On a Chrysler front-wheel drive car or minivan with a transverse sideways mounted engine, the number one cylinder is on the back side of the engine closest to the firewall on the right passenger side of the engine like a Ford. One way to find number one cylinder so you can identify bank 1 is to look at the ignition system.
Where is the bank 2 oxygen sensor? What O2 sensor is bank 2 sensor 2? Where is the O2 sensor on a Dodge Charger? Which side is Bank 2 on? Which side is Bank 2 sensor1? How can you tell the difference between an upstream and downstream oxygen sensor? Should I replace upstream or downstream O2 sensor? Do I really need to replace my O2 sensor?
Are upstream and downstream O2 sensors interchangeable? Are both oxygen sensors the same? Is bank 2 sensor 1 upstream or downstream? Will a bad oxygen sensor cause a misfire?
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