Thread: 2000 Boxter S Problem on cold startup
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Old 04-30-2007, 09:49 AM   #3
Frank Patrick
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Join Date: Apr 2007
Location: Pasadena, CA
Posts: 59
Question Spark plugs heat range
I think Porsche changed the Spark plug heat range from 6 to 7 for similar systematic issues-on cold starts. What heat range are you using?
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