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Yes, that is one of many things that can cause the light to come on.

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Q: Will the check engine light come on in 1990 Ls Lexus if the catalytic converter is bad?
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Related questions

Does the check engine light come on if the catalytic converter needs replacing?

A failed catalytic converter is one of hundreds of parts that can cause the check engine light to be on.


What do you need to do to get your engine to stop bogging?

Check that catalytic converter is not plugged


After eliminating the catalytic converter on a 2000 Le Sabre How do you get the check engine light to disappear?

You will have to install a catalytic converter to get the light to go off.


How do you bypass the check engine light once you remove the catalytic converter?

You can't.


Will the check engine light stay on if you cut out the catalytic converter on a 2002 Chevy silverado?

Yes, and it is also illegal to remove the catalytic converter. Your engine will not run properly with the converter removed and will have less power and will use more fuel.


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Check heat shield on catalytic converter


What is the trouble when the check engine lite is on?

Faulty catalytic converter, or sensors in exhaust faulty


What does a flashing engine light mean on a Nissan elgrand?

A flashing check engine light is due to a condition that is causing catalytic converter damage. Normal cause is a severe misfireA flashing check engine light is due to a condition that is causing catalytic converter damage. Normal cause is a severe misfire


What problems will occur to a car without a catalytic converter?

Check engine light, low power, poor fuel economy, highly illegal to run without the catalytic converter.Check engine light, low power, poor fuel economy, highly illegal to run without the catalytic converter.


Is it ok to empty out a catalytic converter?

It's illegal and will cause your check engine light to go on


What will removing the catalytic converter in a ford windstar do?

It will cause the check engine light to come on with no benefits.


If the oxygen sensor behind the catalytic converter is bad will the check engine light come on?

Yes...