Quote:
Originally Posted by juld0zer
The thing is, most people have been misled to believe that the throttle bodies on our engines are wide open all the time. This is definitely NOT true as i can watch the throttle position sensor angle live on my Scangauge and anyone with an obd2 reader can too.
I wonder what would happen if the throttle bodies were removed from our cars and a dummy fitted to make up the gap - obviously the real throttles would need to remain connected, just zip tied to the side.
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I believe most of the throttle plate actuation is at idle and low load --- after that, VVEL handles most of it. Disabling ETC probably just turns all but idle and dashpot (off throttle, coast-down) correction to VVEL.
Immediate throttle response -- tip in, especially off idle -- is probably primarily handled by the throttle maps.
I think someone recently posted some graphs that overlay TPS and VVEL that I think more or less aligns with that interpretation... but someone correct me if I'm mistaken.