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I’m happy to hear anyone’s input regarding the data readout on the stepper reading.I have very little knowlege on this.
sorry Huzo, I misread the title."Stripper Tutorial" piqued my interest......
What's a "Tipp over inactive" ? Peter
Huzo,Most of the data readouts are a mystery to me, so I can't offer solid input on what 100 means. I don't think I've ever scrolled through all the options to display the stepper motor on the measurements screen.I do use the stepper option in the actors menu to cycle and test the stepper motor's function.
Huzo, I have a question about the stepper function. Last week when I was doing the throttle body cleaning on my Norge, I also shot a little cleaner into the stepper and operated the key a few times. What I observed was the stepper did nothing until I switched the key off. Then it sounded like it was going through some process. Is this normal? The Norge starts good and idles well but doesn't high idle when first started like my Stelvio did.
👍. I think the old saying applies here: If it ain't broke don't fix it.😁
I think that stepper operation is a bit of a black art as why it does what it does and when!However,1) If you go to "actors" in GD you find a switch about the stepper (can't remember the wording) Push it with the engine idling and the revs should change2) Disconnect everything from the stepper including unbolting for access BAR the electrical connection. Look down the open connections while switching the bike on/off and you should see the valve move3) After that you're probably into making a circuit up to stroke it on the bench. Its not too hard. Even a Mech E like me managed to do it
Have you checked the TB spindle butterflies for slop?On one of the other forums, there was a discussion about weird idle problems caused by the stepper trying to react to the additional air that was leaking inGiven the mileage that your bike has done it might be worth checking
That is a fair point and yes there is some wear, but not extreme and here’s the thing.This bike started and idled perfectly well when I collected it and 10 minutes later was idling erratically.
Have you cleaned the stepper passages?
Is it repeatable, as if so that would suggest that it changes when hot?Did you try nipping off the air supply to the Stepper, as that would eliminate that as a cause and allow you to hunt for alternatives Could be many things
I had a valve to isolate the air to the stepper from the air box. Idled bang on 1k with it closed. I fitted it initially to help unfubar the sacred screw the PO had messed with before I bought the bike
Beatle map. +4 fuel trim. GPR exhaust with db killer in. I'm at about 1000ft. above sea level here in Kentucky and very happy with the fueling on my Norge. JohnB
What is your bike Tris, a Norge ?
just throw the whole thing Inc ECU away and fit a new one
Poor idle when cold does not need to do anything with the stepper. A number of the 5am maps are to lean when the engine is cold. when it's to lean, shutting of the stepper won't do anything. Since it's closed anyway in that situation. Adding some fuel in the colder temps in the warm up map helps.
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