All the autos i have driven have the same characteristics, while in park or neutral they will idle higher, than in gear. my thinking is that while in gear the engine is under load weather moving or not, as in park or neutral the engine is not under load. my 2 cents


1989 TOYOTA PICKUP 4"trailmaster, 3" Body Lift 8,000 lb warn winch, q-78 tsl super swampers