Re: 1990 Throttle hesistation
... and I keep thinkin' here Dom ...
You say that as engine comes OFF of idle, control of one of the parameters is passed from 'X', to 'Y'.
Let's say for a moment here, that that is NOT how it works.
Let' say that as rev's increase, EVERY parameter increases linearly (or exponentially) - and that no 'handoffs' occur.
If that were the case, then it would be easy to see a glitch in any one parameter's increase, that allows the rough spot from 1.6%TO, to 2.4%TO (that Marc says is normal).
Stay with me here now...
But since one parameter is interrupted by a handoff, what is the 'buffer', that ensures that the ball doesn't get dropped? Because it DOES get dropped, when the dependency changes.
Is there no dedicated overlapping / buffer parameter? Besides all of the others, of course, that have their own job to do???
If 10 guys are totin' a girder, and 1 guy gets someone to take his place, he's gonna' have to bribe at least 1 of the 9 to do double duty while the swap takes place.
ECM needs coding to make one parameter to compensate - like double fuel, for a moment, to simplify the example here.
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