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most common reason for a check engine light on

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Old 09-28-2008, 04:35 PM
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most common reason for a check engine light on

2005 cayenne s
 
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Old 09-28-2008, 08:53 PM
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canberk is infamous around these parts
filling the tank when the engine is on...
 
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Old 09-29-2008, 09:08 AM
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bad coils (i know issue for CTT) not sure on S
 
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Old 10-02-2008, 03:04 PM
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Same on S. I got this when coils went out.
 
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Old 10-02-2008, 03:16 PM
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Gas cap not securely tightened. Also found multiple very short starts and shut downs trip the light.
 
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Old 10-04-2008, 04:37 PM
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Most of the late model Porsche cars are flipping those with the Mass Air Flow sensors and there after would be the 02-Sensor.

Run a scan and you'll know for sure on yours...

-Eli
 
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