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Q: How do I reset check engine light for a 1999 Chevy blazer?
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There are pages and pages of things that can cause a check engine light. You need to have it checked with a scantool. Then the code can be diagnosed and repaired.


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Bulb may be blown or has been removed.


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It is important to know what the lights on the dashboard mean. To turn off the check engine light a person needs to repair the issues in the engine.


Is the check engine light supose to come on when you turn the key in a 98 Chevy blazer?

At key on it should come on for a couple second "bulb check".


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You have a severe misfire. See related questions below.


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How do you reset the check engine light on a 1995 Chevy S10 Blazer?

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