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960 runs a little rough for first 4 miles then great - why??? 900 1995

posted by  SLong on  Wed Jul 31 10:12 CST 2002
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last visit: Thu Oct 23 19:52 CST 2014
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My '95 965 with 93K runs a little rough for the first 4 miles or so, then it runs great. It feels like one of the cylinders is not firing correctly, but not as bad as not firing at all. The temp gauge reaches the middle position within the first 1/2 mile or so. I have cleaned the throttle body and replaced: plugs, O2 sensor, air filter, fuel filter, and trans fluid. Currently, I am using Castol 10W-30 dyno oil, but am going to try Mobil 1. I got the car only ~4K ago, and it has had this problem ever since.

My gas mileage is only 15mpg in the city and 22.5mpg on the highway. This seems pretty bad to me. I use 87octane, but the 93octane gave me only 15.5mpg and 23mpg. I was expecting at least 17mpg in the city and 25 on the highway. What do you get?

Thanks
-Steve in NC






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New 960 runs a little rough for first 4 miles then great - why??? [900][1995]
posted by  SLong  on Wed Jul 31 10:12 CST 2002 >


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