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Message
I don’t think I have
a problem with the MAP using the average of two ports. The reading stays
quite constant for awhile, but drops when the engine falters, then comes back
up. I could try putting all three together, but then I would not have an
independent backup for controller B
When you look at a normal vacuum
gauge, do you see the violent pulsation that you know is occurring in the
intake? A gauge will sort of average this out, but that's not how the EC-2
reads it. The EC-2 takes an instantaneous sample, so it can see the
pulsations, and will try to act on it by changing the fuel.
I guess I didn’t
realize that the secondaries would turn on below the staging point, but the
thing that puzzles me is that turning off the secondaries reduced the rpm and
made it rougher. So apparently they were on even thought the MAP reading
was 13.1. Something fishy.
That
is fishy alright. Might be a good time to go through the injector and
switch wiring again.
Good
luck,
Rusty (to
scoop, or not to
scoop)
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