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Q: Reasons why check engine light comes on?
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What are the top reasons the check engine light comes on on a 2003 Chevy Malibu?

Check your fluid levels.


Why is the check light coming on?

There are a number of reasons why a check light might be coming on in your car. Once the check engine light comes on it is important to get the car to a mechanic for diganoses.


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There could be several reasons for the check engine light to come on. You can take it to Advance Auto Parts or Autozone and if the check engine light is on they will hook it to their computer and tell you exactly what the problem is for free.


What are the top 5 reasons that a check engine light will come on for a 1999 Chevy Malibu?

I am not sure of the other 4 reasons But in my experience the top reason your check engine light comes on is because your gas cap isn't tightened all the way.


Is the engine check light supposed to turn on after changing radiator?

No, the check engine light comes on when the computer detects a malfunction and sets a code.No, the check engine light comes on when the computer detects a malfunction and sets a code.


1998 ford explorer check engine light?

The check engine light is the light shaped like an engine, or the light that states Check Engine (Soon). If this light comes on, it is time to see what the issue is with the engine.


Why is the check engine light on in your Chevy Monte Carlo?

Check engine lights come on for several reasons. I own a 98 Monte and my check engine light comes on alot. It could be any thing from a un clipped sensor, fuse, oil needs changed or checked. Take it to Pep Boys or Autozone they check out your check engine light for free.


Is it possible to hit a pot hole while driving so hard that the check engine and brake lights come on without reason as in there is no need to actually check the brakes or the engine?

Anytime the check engine light or brake light comes on you should have it checked for safety reasons.


Why your truck 2000 5.9 cummins has the engine protection light on?

The check engine light comes on when the computer detects a malfunction and sets a code.The check engine light comes on when the computer detects a malfunction and sets a code.


Would replacing an exhaust cause the check engine light to come on?

Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.Maybe, the check engine light comes on when the computer detects a malfunction and sets a code.