Bank 1 is the drivers side of the motor, making bank 2 the passenger side of the engine. Bank 1 Sensor 1 will be located before the Catalytic converter, Bank 1 Sensor 2 would be located after the Cat. This is of course assuming your vehicle is equipped with the California emissions having a total of 4 O2 sensors.
There are two oxygen sensor, follow the exhaust coming out of the engine. one in the front and one in the back of the engine. if you engine code p0135 bank1 these is oxygen is located between firewall and engine. or p0755 oxygen located in front of the engine
On the 98 u have two oxygen sensors an upstream and a downstream. The upstream oxygen sensor is located closer to the front of the truck by the transmission. The downstream oxygen sensor is located on down torwards the back of the truck along the side of the frame.
the oxygen sensor in located in the exhaust manifold under the intake manifold at the back of the engine
There are two, one on each side of the catalytic converter.
The 1984 Cutlass is a model of car produced by the company Oldsmobile. The oxygen sensor is typically located near or on the engine block.
O2 sensor in the exhaust manifold near the engine
oxygen sensors are located just forward of your engine. In front of the engine is the catalytic converter. At the top at the bottom are your oxygen sensors.
Sensor one is in the exhaust manifold on the back of the engine. Sensor two is in the side of the catalytic converter.
The 4.7L 2002 dodge durango has 4 O2 sensors. ref. Chilton's Dodge Durango/Dakota 2001-03 repair manual. page 6-19 (Oxygen sensor - general info and replacement) The upstream oxygen sensor is located before the catalytic converter. The downstream oxygen sensor is located is located after the catalytic converter.
I have a 96 Dakota 3.9L and it is located above the Y pipe before the converter. There is also one directly behind the catalytic converter.
The oxygen sensor on a 2004 Volkswagen Jetta is located in the engine area. It is usually encouraged to warm up the engine so as to ease the threads.
The P0155 refers to the Oxygen sensor on Bank 2, sensor 1. Bank 2 on your vehicle is on the passenger side of the engine. Sensor 1 is the first oxygen sensor in the exhaust pipe coming from the engine.