Question about 2008 Buick Lacrosse
Posted by Anonymous on
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Posted on Jan 02, 2017
HI. This will require you to have the engine CPU scanned for trouble code's. This can only be administered with the assistance of a diagnostic computer scan tool. You can purchase this tool at your local auto parts store, or you can just have the scan ran at your local auto zone parts store, free of charge. Once the diagnostic scan is administered, you will be able to isolate the issues that have caused the check engine light to illuminate.
This scan tool will display a print out code and the location of the issue, on the engine, as well. There are Many issues that will cause the engine light to illuminate, but the most common cause will be a failed monitoring sensor, or sensor harness failure(separated power wire, or ground).
Once you have the codes, kindly return to the site, and post them here. We will be able to assist with more accuracy, once the codes are posted.
Posted on Mar 31, 2010
SOURCE: engine light on
The only way to tell why it is on is to have the engine codes read with a scan tool. Most part stores will scan it for free. This will tell you which sensor or circuit is faulty or why it is on.
Posted on May 24, 2010
you might try disconecting the battery for 30 seconds and reconnect and try again.sometimes that works if the battery dosent have a shorted cell.
Posted on Sep 15, 2010
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