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Misfire

Flat6speed
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Flat6speed Member

Flat6speed

Posted
Posted

 

 

Im trying to get my 2000 2.7 Boxster back up and running after replacing the cam chain guides.  Its giving me the errors below. I replaced spark plugs in the process of the work.  And i replaced the coil.  Any thoughts?

 

Scott  

 

 

Bosch Digital Motor Electronics Motronic 7.2

 
 

Module Identification

info.jpg
 
   
 
        
Part Number      986.618.620.08
Supplier Part Number      041.570.264.50
   
  Current Fault Codes
red.jpg
   
redsmall.jpg P0300
Porsche fault code 62 - Misfire damaging to cat. converter
 
redsmall.jpg P0305
Porsche fault code 67 - Cylinder 5 misfire damaging to cat. converter
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JFP in PA Member

JFP in PA

Posted
  • Moderators
Posted

Cylinder #5 is misfiring, try checking the electrical connector to the coil on that cylinder to see if it is seated; if it is fine, you may have a bad coil which you can test by moving it to another cylinder and seeing if the fault follows it.

Flat6speed Member

Flat6speed

Posted
  • Author
Posted

Well I replaced the coil with a brand new one. The connection looks really good (no oil or dirt found). It still has the same error. 

Flat6speed Member

Flat6speed

Posted
  • Author
Posted

Problem solved. I went back in and pulled the spark plug.  Sure enough the prongs were bent touching the electrode.  I didn't inspect each plug as I was installing them.  Lesson learned.

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