1. the idle up that I had noticed wasn't AC, but fan 1, obviously, becuase AC turns Fan1 on, I hadn't noticed the less obvious connection. When testing the Fan1 output from the base engine tab, with AC off, the RPM would rocket upto 3000 odd RPM, removing the association with the AC meant the engine didn't spool up, rather loaded down and nearly stalled when AC was turned on. When Fan 1 comes on, the idle valve position goes from, say 17, to 40, then oscillates quite rapidly between 40-100%.
the second interesting thing I discovered was a let-off table that in the idle tab that I thought was disabled (I had turned open loop idle to on, which greyed out this option, but left on true) it seemed to follow this table (which was 40% for all values.) modifying these down to 30, caused idle oscillations to occur, so even though the option was greyed out because of openloop idle, modifying this table had an impact on the car. I could also swear that as I was driving a long, small power surges could be felt after a gentle press of the gas peddle. I went to the enrichment tab and found a lot of it greyed out. However I suspect it may it might still be using some of the figures.
So from here, still a bit of work to do understanding how this works, when tables are being used and when not, and try to understand the link between fan 1 and the mystery 3000 RPM 'idle" (even thou the idle tab shows a 100rpm increase for fan 1)Statistics: Posted by Kristian — Sun Apr 24, 2022 10:02 am
]]>