“After lunch, I restarted the van and it began surging at idle, but differently than before.� The WBX will surge to 2200 - 2500 RPM, but after 1-2 seconds falls back to idle.� Rinse and repeat.” Just some food for thought on this >> Sometime in last couple of years I Manually caused this condition,, Can’t say absolutely but pretty darn sure I was Slightly Opening Throttle while @ same time Having Idle Position Switch Stay in Idle Position ~ This, of course, would suggest, that if IPS is out of adjustment it can cause the symptom You describe ~ ORR ~ DeanB
> On 11 Aug , 2021, at 11:01 AM, Roy Nicholl <RNicholl@NBNET.NB.CA> wrote: > > Tom, > > That was my initial hope :-)� � I unplugged; cleaned all contacts; put > the meter on what I could.� � This time it seems to be the internals of > the ICU. > > Tom Neal wrote on 2021.08.11 11:10: >> A related thought which may not help the current thread: When an idle gremlin appears, I unplug and plug back in the idle controller and/or swap it with my spare which seems to fix the gremlin. Implication is a high resistance contact, the cause of about 80% of electrical problems. |
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