Engine Mechanical problem
1995 Oldsmobile 88 6 cyl Front Wheel Drive Automatic 160000 miles
the engine on my olds 88 LSS seems to struggle a bit. I changed the spark plugs(put in factory recommended)spark wires. I had a new gas filter installed. Engine doesn't run smooth in idle. Car gets great gas mileage and has get up and go on the expressway. Did I miss something?