Question about 2003 Nissan Sentra

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Check engine light

I put a new headlight bulb in my car yesterday and this morning my check engine light came on. Could there be a relationship between the two and how could I check before taking it to the shop?

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  • ang101099 Dec 18, 2008

    So, I went to Autozone and they said it was a problem with the throttle position sensor. A week and a half ago, I had to get a "new" used engine put into my car, so I'm guessing it's related to that.

  • Marvin
    Marvin May 11, 2010

    did u remove anyhting to gain access to the bulb?



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Head to your local Autozone Auto parts store and ask then to put their code reader on it. They will give you or at least tell you what trouble codes may have activated your check engine light. A blown buld will not activate the Check engine light

Posted on Dec 18, 2008

  • Rob Bruce Dec 21, 2008

    There ya go.. On some vehicles the Throttle Position Sensor has ben be set to a certain degree. It could be as simple as a minor adjustment to the sensor (rotate it a bit) or the sensor has failed and needs to be replaced. Some sensors can be replaced by a DIY'er with a simple remove and replace and the adjustable ones would need a scan tool/data reader to set properly.



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