2005 Porsche 911 Q&A
2005 Porsche 911 Question: Check Engine Light
The Check Engine Light went on a few times and stayed on. Took the car to dealer and each time did not indicate any problems. The car drives normally with no problems. What else could be causing this aside from what is already been published in the QA section? - Visitor
The car should be checked for History Codes. You may have an intermittent problem. As long as the codes were not cleared, there will be a code in the history that can start you on the diagnostic path. - devilscap4
...ml PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> Check Engine Light illumination and performance issues can be caused by oxygen sensor faults.
...l//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> Due to air leaks at various locations, the Check Engine Light may illuminate.
...EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> Cam tensioner/cam timing issues can cause the Check Engine Light to illuminate.
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