Misfire cyclinder #6
2000 Porsche 996
120K miles
6 spd
I need some help figuring this one out. At idle and normal daily driving I do not have not have any issues but when I down shift and have it WOT I get a cylinder #6 misfire when I reach 5K RPM. Here is a little more information:
misfire only in #6 at about 5 or 5.5K for the past 6 months
New coils 1.5 years ago
Changed Spark plugs over the weekends and inspected coils for cracks
they were not any cracks in the coils
the spark plugs showed normal wear
Durametric codes: I cleared the codes and this is the only codes that keep popping up
P0300
Porsche fault code 507 - Misfire detection (total)
P0306
Porsche fault code 509 - Misfire cylinder 6
Last edited by wesley_817; 03-18-2013 at 08:21 AM..
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