Quote:
Originally Posted by redpoint5
The engine idles faster in neutral because it isn't applying any force to your wheels. When you place the gear selector into D, the engine begins spinning fluid in the torque converter and attempts to move the wheels, which puts a load on the engine. This is the reason the car creeps forward when you release the brake pedal while the car is idling.
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OK, so I have to keep a load on the ICE in order for the revs to stay a little lower, which is why when coasting (when there is still a load), neutral works, but at a stop (when there is no load left), neutral doesn't work, because the ICE needs something to work on. I think that's what your saying, correct me if I'm wrong.
If that is the case, is there a way to trick the ICE or computer into thinking there is a load on the engine, when I am at a stop and in neutral, so that it will lower the RPMs to the same or lower then when at a stop in 'D'.
Quote:
Originally Posted by redpoint5
Idle RPM depends on factors such as speed when coasting and temperature. My car will idle at 2000+ RPM if it's cold enough outside. Not sure what is considered normal for your car.
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OK, so it sounds like another bonus to having a grill block (and associated faster warm-up times) is to make the engine get hot (or at least to operating temp.) and lower the RPMs accordingly. (I guess?)
Jeff