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Many things can cause a check engine light to come on and the O2 sensor is just one of them. This car is 16 years old. I can think of many things it may need. I would replace every single vacuum hose, spark plugs & plug wires to start. You may also have a clogged catalytic converter. Depending on how this vehicle has been serviced, it may need more.

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โˆ™ 2006-04-08 13:56:13
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Q: Your check engine light still comes on after you changed your oxygen sensor on my 1990 Isuzu impulse?
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What are the signs that an oxygen sensor needs to be changed?

The check engine light will illuminate with a code(s) directing which O2 sensor is bad.


Why does the check engine light stay on after I changed the oxygen sensor on my 1989 Buick Park Avenue?

Need to know what code(s) were set and which O2 sensor you changed in order to help you.


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The oxygen sensor is screwed into the exhaust, behind the engine.


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How often does an oxygen sensor need to be changed?

Your O2 sensor is a "part that is designed to wear out". there is no standard on replacing them, but if your car is running fine, and your check engine light comes on, and stays on, it's probably an O2 sensor.


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A malfunctioning oxygen sensor can cause the engine to be low on power.


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Should the check engine light come on if an O2 sensor is bad?

The oxygen sensor is one of many things that could turn the check engine light on.The oxygen sensor is one of many things that could turn the check engine light on.


What is an O2 sensor?

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Where is oxygen sensor 2 in 1996 Acura TL?

The 1996 Acura oxygen sensor can be found on the top of the engine. The oxygen sensor will be on the left-hand side of the air cleaner.


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The computer uses the oxygen sensor reading from the exhaust to adjust the amount of fuel injected into the engine.


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There is a failure in the oxygen sensor heater.


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The oxygen sensor is in the rear exhaust manifold. You should be able to see it by looking behind the engine from inside the engine bay.


What is the location of oxygen sensor for 1989 Dodge Dakota?

The 1989 Dodge Dakota oxygen sensor can be found on the top of the engine. The oxygen sensor will be on the back side of the air cleaner housing.


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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.


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Can you show me a diagram of the upstream oxygen sensor on a 3.5l liter Oldsmobile Intrigue engine?


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There are two oxygen sensors in the exhaust behind the engine.


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Where is the oxygen sensor on a 1988 Chevrolet celebrity?

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