Thanks, Steve, for your answer. I understood most of it (I guess ;-)
Quote:
Originally Posted by stevebfl
I have never really paid any attention to fuel control at full throttle as I have never had a deficiency that related to the electronic control at WOT. I will say that I'm pretty sure what you are seeing is appropriate....
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I believe it works the way it should, too. Maybe the next few hundred miles will show if the mileage and driveability are OK. I may rely too much on measured (or missing) current values, when tha WIS says the full load enrichment should be about +3...+6 mA.
Quote:
Originally Posted by stevebfl
If the system is still in closed loop it is natural for it to go negative WOT as the base system is designed to be richer at that set of circumstances, I would presume.
As to adjusting the EHA, all you are doing is changing the size of the fixed leak. It really shouldn't be done without monitoring the differential pressure. The main reason I say that is that if you really have a problem here it is probably due to a variation in differential pressure that isn't current related. In other words at different fuel flow rates the differential pressure would vary with the EHA unplugged. This is not how it is supposed to work but a number of conditions can cause it.
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The next step would be a wideband AFR meter, but that costs something like 300 euros. I want to get the basic settings right before I'll add some forced induction to the motor.
tomant