PSM WARNING LIGHT

  • Tiny
  • dredayz
  • 2003 Porsche Cayenne
  • V8
  • 4WD
  • automatic
  • 68,945 miles

Hi I have a 03 porsche cayenne I would like to know what causes the psm warning light and check engine light to come on and how can I fix it? The car also has no power while im driving

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Wednesday, March 23rd, 2011 AT 3:37 PM

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  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

You need a scan to find out what is causing the indicator lights to come on. There are numerous sensors and electrical components within the system that can trigger the indicator lights to come on.

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Wednesday, March 23rd, 2011 AT 3:44 PM
  • Tiny
  • dredayz
  • Member

Yeah but would that also cause the lose of power and the car just reves out like its misfiring

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Wednesday, March 23rd, 2011 AT 4:03 PM
  • Tiny
  • KHLow2008
  • Expert
  • 41,997 posts

Of course. The CEL shows when an error has been detected and it could be anything from engine stalling to misfiring or even go to " limp mode ". The PSM indicator light could be due to the fault as indicated by the CEL.

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Wednesday, March 23rd, 2011 AT 4:11 PM

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