Best Answer

You have a choice. You can guess at replacing one of the Oxygen sensors. (I think they are pricy) Or take it to a garage that specializes in this field to determine what is really wrong. A code for an O2 is not necessarily the O2 At Fault.

User Avatar

Wiki User

โˆ™ 2005-09-08 00:31:11
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Have a 1999 corolla check engine light on code was o2 sensor what do you do?
Write your answer...
Related questions

Flashing vsc light on toyota corolla came on along with check engine light?

If the VSC flashing light comes on at the same time on your Toyota Corolla, then there might be a sensor issue, and if you have a warranty, have it back to the manufacturer.

How can you reset your 2006 Toyota coralla check engine light?

To reset the check engine light in your 2006 Toyota Corolla, you will need to attach the car to a diagnostic computer. This allows you to pinpoint the reason for the light coming on, select the correct sensor, and reset the light.

How do you turn the check engine light off on 2004 corolla?

Here a answer maybe CHECK THE ENGINE:) the light will go off

Why would the cam sensor turn on check engine light?

That is what the check engine light is for. It informs you of a failure.

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.

Where do you locate the check engine light sensor for 1997 Cheyenne 1500 truck?

There is not one sensor. All the ECM sensors are tied to the check engine light.

Can unplugged mas cause check engine light?

Yes, an unplugged sensor can cause a check engine light.

On a 93 Toyota corolla will the speed sensor cause the engine light to come on?

Yes it a diagnostic

Check engine light on 2007 Toyota corolla?

i have a 2007 carolla that has been fully services and the check engine light is still on. there is nothing wrong with it.. How do I get it off?

How do you check engine light in 2007 corolla without obd ii?

You can't

How do you turn off check engine light ' 07 Toyota corolla?

you pee on it

Where in the check engine sensor located on the engine?

There are sensors all over the engine that can turn the check engine light on.

Would the check engine light come on if the oxygen two sensor needed replacement?

The O2 sensor is one of many things that can turn on the check engine light. You need to have it checked for codes.

How do you check 02 sensor if is good or bad?

If it is bad the check engine light will come on and set a code for that particular sensor.

If your transmission goes bad will your check engine light come on?

It will usually come on. The speed sensor on my transmission died and it displayed the check engine light.

How can you disable the check engine light for an o2 sensor?

replace the bad sensor and it will turn off.

What sensors can be disconnected and not cause a check engine light I have high Idle and just read about the power steering sensor?

On almost all cars any sensor unplugged can turn on the check engine light.

Check engine 2001 Isuzu Rodeo?

The check engine light for the 2001 Isuzu Rodeo often comes on because of a sensor that is damaged or malfunctioning. The most common sensor is an oxygen sensor and when reset, this often allows the light to be reset.

Where is the check engine sensor on a 85 chevy S10 blazer?

The check engine light is triggered by the Engine Control Module (ECM). The ECM receives information from many sensors and determines when to illuminate the check engine light.

92 Camaro idles very rough when cold runs well once warmed check eng light not on Why?

Engine coolant temp sensor. I would check codes if you have a ECT code replace the sensor. does the check engine light come on with key on engine off, If it doesn't replace bulb. If the engine light works check fuel preasure,

Will putting oil in your car make the engine light go out n a ford 2002 escape?

No, that is a check engine light. You may need a sensor or have a sensor cleaned.

On a 2002 f150 check engine light is on with only 53000 miles?

* It could be a faulty check engine light or a light sensor problem . There's probably not a problem with the engine at all just the faulty sensor light problem most likely. * ----------------------------------------------------------------------------------------------------If your check engine light stays on with the engine running , a malfunction with the emission control system has been detected. Have your vehicle scanned for any trouble codes in order to diagnose and repair the problem. ( I had a check engine light come on at 35000 miles - in my case it turned out to be the DPFE sensor )

Does the oxygen sensor make the check engine light come on?


Can a dpfe sensor make your check engine light come on?


How do you know an oxygen sensor is bad?

the check engine light will come on

Study guides

Create a Study Guide