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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?
Where is the downstream o2 sensor located on a 1999 Saturn SC?
It is in the exhaust after the converter.
Where is the secondary o2 sensor located on a Saturn sw1?
Under the car along the exaust
Where is the 04 Saturn ion o2 sensor located?
in the exhaust manifold or before the catalic converter
Where is o2 sensor 1 bank 2 located on 98 s10?
Assuming this is a 4.3L engine, bank 2 sensor 1 would be the first O2 sensor located in the exhaust header pipe on the passenger side of the engine.
Where is the O2 sensor for 98 acura 3.2 tl?
The OS sensor on a 98 Acura 3.2 TL is located in the exhaust manifold. It constantly monitors the amount of oxygen remaining in the exhaust gases.
Where is the o2 sensor on a 98 chev 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
Where is the O2 sensor located in 98 Chrysler Concorde?
There are 4, one before and one after each catalytic converter in the exhaust.
Where is the downstream o2 sensor located on Saturn outlook?
The downstream O2 sensor on a Saturn Outlook is located in the exhaust system, specifically after the catalytic converter. It monitors the efficiency of the catalytic converter by measuring the oxygen levels in the exhaust gases. To access it, you'll typically find it mounted on the exhaust pipe, just before the muffler.
Where is O2 sensor located on 98 Acura TL 2.5?
On a 1998 Acura TL 2.5, the O2 sensor is located in the exhaust system. There are typically two O2 sensors: the upstream (pre-catalytic converter) sensor is found on the exhaust manifold, while the downstream (post-catalytic converter) sensor is located after the catalytic converter. You may need to lift the vehicle for better access to the sensors.
Where is the O2 sensor located on a 1994 Saturn SC1?
O2 sensor is located in the exhaust manifold just off the front of your motor. If you open the hood and locate your exhaust manifold, follow it down toward the radiator. you should see a 1-wire sensor sticking out of the exhaust manifold. this is your O2 sensor. you will need either a special Oxygen sensor removal tool, or a 7/8 wrench to remove it.
Where is o2 sensor in Saturn sc1 1997?
exhaust pipe
Where is the o2 sensor in a 99 firebird located?
the exhaust, where every o2 sensor is
