Engine Performance problem
1999 Oldsmobile Silhouette 6 cyl Front Wheel Drive Automatic 171000 miles
engine rpm increases up and then down(approximately 5 to 10 rpm}when going at highway speed. Sometimes idle comes back to 1000 rpm not 700. Useing lot more gas now also.
have the same problem?
Saturday, March 6th, 2010 AT 11:43 AM