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20/06/2025 11:28 am
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I have a 2006 Porsche Cayenne Turbo S that has been misfiring in random cylinders, my usually great mechanic cannot figure it out after five trips to them. Also recent ownership change may have effected their reliability. My cheap OBD scanner says random cylinder misfires (P0300) and cylinder 7 (P0307). Runs great and then will start to misfire and rumble randomly. Could it be just coils and plugs or is it something else further up the line electronically or with fuel delivery? Any help would be appreciated.
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20/06/2025 11:40 pm
Could it be just coils and plugs or is it something else further up the line electronically or with fuel delivery?
All of the above. More data and investigation needed. See our misfire topic in the FAQ for more info.
