tachometer

:)I haven't done much highway driving with my Genesis 3.8, but recently was pleased to note how the engine was loafing around at 2000 RPM while I was cruising on flat ground at 70 MPH with the A/C off (per my speedometer, not GPS). My last two cars were 4 door sedans and ran at 2,500 to 2,750...

Last night, I put my foot into the 4.6 and hit 115 in a big hurry! The tach ratcheted up there but would not calm back down to the 1.5K rpm area. The needle stayed up in the 4K rpm range the entire night, even though the engine was operating normally. The next morning, all was well and the tach...