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If the o2 sensor is not working, the computer will put out a code which will turn on your Check Engine light. The car/truck will not pass inspection without it being fixed. Anytime the check engine light is on, the mechanic will plug into the vehicle's computer and it will tell him the fault codes and what they mean so that he can fix them. So, if the check/service engine light is off, the oxygen sensor should be fine.
What else can I help you with?
Do you need 2 oxygen sensors upstream for a 2002 Oldsmobile Silhouette?
You need all sensors it was designed and built with.
Where is the exhaust sensor on a 2008 dodge sprinter?
There are 3 temp sensors and 2 oxygen sensors in the exhaust. You need to ask a new question and be more specific.There are 3 temp sensors and 2 oxygen sensors in the exhaust. You need to ask a new question and be more specific.
How do you replace oxygen sensor on 97 grand Marquis?
There are four oxygen sensors screwed into the converter assemblies. You need to know which one is faulty before attempting to replace them.
Can you clean the oxygen sensors on a Chevy blazer?
No, they will need replaced if defective.
How many oxygen sensors are on a 1997 Nissan maxima GLE 3.0?
I'm getting terrible gas mileage and i need to know how many are in the vehicle.
Does a car need all oxygen sensors?
If it came equipped with them when new, yes.
2000 Honda Accord sensors?
What do you need to know ?
How do you know when you need an o2 sensor?
You will have the check engine light on. Oxygen sensors throw very specific codes. Basically you need to use an error code reader. I did and it said the o2 sensor, in my Volvo 2001 s40 has two of them and I need to know which one to change?
Where is the sensors located on a ford 2002 escape?
There are many sensors on that vehicle. Need to know which ones you are looking for.
How many oxygen sensors are there on a 1997 Chrysler cirrus?
need engine size. 2 or 4.
Where is the air-fuel sensor on a 2001 Toyota RAV4?
There are 4 sensors on the manifoldcoming out of the engine. The highest two are the Air Fuel sensors. You can see them easily from above the engine. One is behind or in a heat shield. There are two more sensors that are lower. These sensors are the oxygen sensors. When ordering you need to know if the sensors are right hand or left hand, don't forget that is from the drivers seat not the way you face them from front of the car.
How do you replace oxygen sensors on 1991 Lexus is300?
First you need to find a 1991 Lexus IS300...
