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Oxygen Sensors

Also called as the lambda sensor, an oxygen sensor measures the proportion of oxygen in liquid or gas. Scientists use this electronic device in measuring respiration or production of oxygen. Oxygen sensors are also used in automobiles.

3,729 Questions

What is a B1S1 oxygen sensor?

Bank 1 is the passenger side of the engine in a Mercury Grand Marquis

Sensor 1 would be in the exhaust close to the engine before the exhaust enters the catalytic converter ( upstream sensor )

Where is bank1 sensor1 oxygen sensor in 1999 ford xlt ranger 6cylinder?

Bank 1 is the passenger side of your V6 in a Ford Ranger

Sensor 1 is somewhere close to the engine before the exhaust enters the catalytic converter

Can you bypass the seatbelt sensor in a 1991 VW Golf?

Obviously, buckling the seatbelt should silence the reminder. If you see/hear the reminder and all belts used by the reminder ARE buckled, the vehicle should be taken in for service ASAP. If you do not want to use your seatbelt and wish to disable or silence the reminder system altogether, this can be done in a matter of minutes by a serviceperson at a dealership using a custom option setting device connected to the vehicle's internal computer. As this is a safety system, some dealerships may not be willing to do this unless you sign a liability waiver. If you do not wish to have the vehicle serviced professionally for whatever reason and would like to disable or bypass the seat belt reminder system for certain seats only, the following options may be of help: A piece of sheet metal of the same dimensions and shape as the actual seat belt 'plug' can be inserted into the seat belt 'socket' to silence the reminder. Obviously, the more the piece of metal resembles the actual 'plug', the more likely it is to work. Also, as seat belt buckle design has not changed much lately, a junkyard is one source of seat belt 'plugs' that can be cut from their straps and inserted in the seat belt 'socket' to silence the reminder chime. It's likely that several model years of a car (and even different makes/models) may all have similar seat belt 'plugs'. Lastly, there are wires running down the 'socket' end of the seatbelt which tell the car's computer if the seat belt is buckled or not. These wires may be cut, stripped and connected together (or separated, depending on which stops the reminder) permanently. It should be mentioned that disabling or bypassing this safety system in any way is discouraged by vehicle manufacturers, insurance companies, safety specialists and many other private and public organizations and individuals. However, there are conditions for which seatbelt use is extremely uncomfortable or presents more harm than benefit, such as in the case of certain abdominal/thoracic medical conditions, morbid obesity, etc.

How can you tell if egr is bad?

If you are talking about the EGR valve, then take a piece of rubber tubing and plug it onto the EGR valve vacuum port and using your mouth pull a suction on the tube. The valve should actuate (pull in) and if you hold it with your tongue by stopping up the end of the tubing, it should also hold it's vacuum. If it loses it's vacuum or doesn't actuate it is bad.

Where are the oxygen sensors located in a 2000 Pontiac Sunfire?

I am not sure exactly where the oxygen sensor(s) would be located, but the location that is generally chosen is upstream of the catalytic converter and close enough to the firewall for shorter wires to be routed from the wiring harness.

Diagnostic test indicates bank 2 O2 sensor 1 is slow where is the sensor on a 1998 ford explorer 40 SOHC located?

As I understand it, Bank 2 should indicate driver side, and sensor 1 should be the sensor closest to the front of the car, upstream of the catalytic converter. The safest way to find out for sure, is to find an honest Ford service technician and ask! Good luck

How do you change the rear O2 sensor on a 1998 Dodge Dakota?

All u need is a metric wrench maybe a 21 or 22 it's right after the catylic converter and u just gotta unplug the harness Get the O2 sensor socket so you dont mess up the wires, they dont always come out easy enough to use a wrench and its a tight spot.

Where is the Oxygen Sensor for Bank 1 Sensor 1 on a 2002 Ford Explorer V6?

Bank 1 is the passenger side of the engine in your Ford Explorer

Sensor 1 will be somewhere in the exhaust system , close to the engine , before the exhaust enters the catalytic converter ( upstream )

How to replace oxygen sensor on a 1992 Cadillac sedan deville 4.9?

their is a special socket made for o2 sensor removal and installation. their is a slit down one side so that the wire can come out. purchase that socket, raise vehicle safely, climb under, spray with penetrating catalyst, may need to heat up a little bit, unscrew old one, replace with new one, plug in, start the car.

Where is the camshaft position sensor in 1998 kia sportage?

The cam shaft position sensor is located right behind the exhost cam by the fire wall. It is held by two 10 mm bolts, one on each side of the sensor. If you got the hood up and looking at the engine the cam that is on the right hand is the exhost cam. To get to the CPS you have to remove the intake and cam top cover.

Where is oxygen sensor for 97 Land-cruiser?

The oxygen sensor is located just upstream from the catalytic converter. Crawl under the vehicle, and locate the catalytic converter, after the exhaust manifold and before the muffler. There should be a four wire sensor there.

Where is the O2 sensor for bank 2 in a 1998 Chevy suburban?

Bank 2 is the passenger side exhaust, sensor 1 is before CAT and sensor 2 is after CAT.

On a 1996 Nissan Maxima which O2 sensor is Bank 2 Sensor 1 since there are three sensors?

Bank 1 Sensor 1: Located on rear exhaust manifold pipe nearest the firewall. Fairly easy to remove with the right tools. Clip located on left side of engine compartment.

Bank 1 Sensor 2: Located just behind the Catalytic Converter. Very easy to remove and clips on just inside rubber gromet.

Bank 2 Sensor 1: Located on front exhaust manifold pipe nearest the radiator. Hard to reach without specific tools. Clip located in front of engine compartment.

Bank 1 = both front firewall-side sensor (1) AND rear sensor (2). Bank 2 = front radiator-side sensor (1). Bank one refers to the section of the manifold that vents exhaust from the cylinder bank including cylinder #1...bank two = from cylinder #2 and its comrades.

1998 Nissan Maxima knock sensor removal?

See answer for same question regarding a 1995 Maxima. Think this is the same VQ engine.

How many oxygen sensors on a Ford Explorer 4.0?

My 1995 Ford Explorer has ( 2 ) and depending on the year anywhere from ( 1 to 4 )

and it also depends if you have the 4.0 liter OHV or SOHC engine