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d8rade@yahoo.com
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that would be about the best outcome i could hope for. is a blown head gasket possible? no water or steam coming out.
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i'm going to get a leak down test that should tell more, but i don't see how a collapsed lifter could give low compression. there is no noise except at idle which i believe is just the misfire sound thru the exhaust. thanks for your help i'm really surprised that a $90k car can't make 40k miles without a tear down.
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my '04 anniversary edition 911 misfires on cylinder 4 at idle. above idle it seems to run fine. the compression on the other cylinders is around 240 and is only about 150 on cylinder 4. the car only has 38K miles on it. could it be anything other than burned or bent valves, broken rings,or a bad piston? thanks.