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Oxygen Sensor Some vehicles have (2) and some have (4) O2 sensors.
When you start looking at the O2 sensors, they are normally numbered something like "Bank 1 Sensor 1" Bank 1 is on the passenger side; Bank 2 is on the driver's side. Sensor 1 is the upstream sensor (near the frame, between the block and the cat) and Sensor 2 is near the Y-pipe (downstream of the cat).
Normally it is the upstream sensors (sensor 1) that go first. They see the harshest conditions. You will need; Oxygen Sensor Socket Anti-Seized Penetrating Oil I have even used a small plumbers propane tank and heat it up and it help get them free. Sometimes it will take 15 minutes or take a few hours it depends on your luck...
What else can I help you with?
How many o2 sensors on a 2004 Chevy Suburban?
4
How many oxygen sensors are on a 1999 Chevy cavalier?
There are 2 sensors The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
How many fuel sensors does a 2004 Malibu have?
Assuming you mean O2 sensors, the 2004 Chevrolet Malibu with the 2.2L engine has two O2 sensors, one upstream (before the cat) and one down stream (after the cat).
How many O2 sensors on a 2004 Eclipse GT?
It should have at least, usually 4 though.
Are the location of the o2 sensors the same on a 2003 and 2004?
YES
How many o2 sensors are on a Montero sport?
There are four o2 sensors on a montero sport.
What controls the knock and o2 sensors in a 1988 cavalier?
They are not controlled, but the engine computer reads their out put signals.
How many O2 sensors on ford E350 and where are these located?
how many o2 sensors on a ford e350 van 2003
How many o2 sensors in a 2004 Infiniti I35?
The 2004 Infiniti I35 is equipped with a total of four oxygen (O2) sensors. This includes two upstream (pre-catalytic converter) sensors and two downstream (post-catalytic converter) sensors. These sensors help monitor the air-fuel mixture and emissions to ensure optimal engine performance and compliance with emission standards.
How many o2 sensors does 2003 altima have?
The 2.5 has 2 O2 sensors (both on top of the engine) and the 3.5 has 4 O2 sensors (two on top, and two under the car).
How many O2 sensors do a 1997 Nissan maxima have?
There is a total of 3 O2 sensors 2 Upstream and 1 Downstram
Where are the oxygen sensors located on 1997 Chevy Cavalier?
The upstream O2 sensor is mounted in the ehxaust manifold The downstream O2 sensor is mounted in the exhaust pipe after the catalytic converter
