Question about 2003 Nissan Sentra

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How do i reset the CEL on a 2003 Nissan Sentra, 2.8l...dealership wants to run a diagnostic $$$$$

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Disconnecting the battery might reset the check engine light on your car. However, keep in mind the following:

- not all cars will clear the code after disconnecting the battery
- some problems, if not repaired in time may cause a serious damage and more costly repair.
- the radio, if code-protected, may be locked after disconnecting the battery
- the "check engine" light will come back anyway if the problem still exists.

But by all means try disconnecting the battery (for at least 1 minute) first.

Regards

GeckoNZ

Posted on Aug 21, 2010

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