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thstone · 05-19-2011, 01:59 PM

Generally, this is normal. The DME will slightly bump up the RPM when the a/c is on depending on several conditions. My car does the same, it won't bump up the RPM forever and then all of a sudden it will do it and I'm wondering what's wrong.

05-19-2011, 01:59 PM	#2
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	Generally, this is normal. The DME will slightly bump up the RPM when the a/c is on depending on several conditions. My car does the same, it won't bump up the RPM forever and then all of a sudden it will do it and I'm wondering what's wrong. __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor