why is my "check engine" light on in my 2007 "Buick Lucerne"?

why is my "check engine" light on in my 2007 "Buick Lucerne"?

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Explore the latest questions and answers related to "why is my "check engine" light on in my 2007 "Buick Lucerne"?"

Answered: Check Engine light....

Usually that is an O2 sensor in your exhaust. It is telling you that your fuel injection is not giving your machine enough fuel.

Answered: Motion light

It's defiant. Take it back and tell them you want one that is compliant.

Answered: Disable Mercury 'check engine' light?

try disconect the battery for about 10 min if that dont work remove the bulb

Answered: 1997 toyota 4runner engine vacuum leak check

In any 17 year old car, count on gaskets leaking. In tis case, you probably have a small but detrimental vacuum leak in the fuel or vacuum-operated components. It may be time for a factory diagnosis and then a rebuild.

Answered: Check engine light is on?

This usually means that something is wrong with your car. It could be anything from a loose gas cap, spark plugs and wires that need replacing or any number of things. best bet is to take it to a local trusted mechanic and have the car looked at.

Answered: Check Engine Light Issue -- PO161 for Jeep Grand Cherokee

it's not that serious actually, but it's better to check the o2 sensor for sure, and replace the jeep parts just to make sure, and it will not cost much if you ask me.
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Madame Z, any idea what she's asking?