Engine Performance problem
2008 Nissan Sentra 4 cyl Front Wheel Drive Automatic 26000 miles
Engine experiences high idle (around 1500 rpm) when starting up cold and placed in neutral or parked, will drop to around 750 rpm when warm. When the engine is idling warm, there will be slight variation of 10 rpms. Also experienced loss of power when driving, engine will rev higher than normal, with no corresponding boost in speed.