When at WOT, or very high power and the trim is used either way the engine seems to missfire? While the pump is running / Any idea's - didn't have this fault on my last trip a few weeks ago?
Well I have the evdiag on me so will hook that up tomorrow. It's annoying as when I packed it away it's the first time I winterised it, and now taking it out I have problems!
or pulling power from the injectors ( via the ecu)? . if its fine with no trimming going on not much else it can be apart from plug spark ( timing or nor sparking) or injectors ?. I'd expect the injectors to give you a loss of power, rather than a misfire - but who knows what electricery is going on in there.
of course the misfire could be a symptom rather than the problem......
Well it runs fine if you don't trim, only at wot. At tick over trim is fine, at 3/4 throttle it's fine. Just WOT or high revs trimming either way causes what feels like a miss fire, the longer you trim the longer it lasts.
odd - I'd go for trim motor somehow pulling power/shorting the ECU ( which while at WOT the trim motors working hard with the load on the leg etc so may need more power?).
Could be as simple as loose trim wire or buggered relay ? ( hopefully)
New one on me that. When you hook up the laptop, try trimming in & out & watch the ignition & system voltages.
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don't know wot bout ermintrudes, or Hondas for that matter but every time I trim the 150hp, with engine running tick over or WOT the volts always drop, so the pump must draw a fair current so guess if there's a problem it could effect the engine management, good luck finding the problem
Beretta
BLACK PIG
Piglet
but every time I trim the 150hp, with engine running tick over or WOT the volts always drop, so the pump must draw a fair current so guess if there's a problem it could effect the engine management, good luck finding the problem 
