Vehicle Running - Closed Loop
once again lets take a deeper dive and see what exactly caused the RPM to settle in at 550
so back to the
VCM Editor we go (you will find this is the common Tango you will be performing whilst dueling HP Tuners ie. going to and fro from VCM Scanner to VCM Editor and back)
Engine \ Idle \ RPM is where we find the
Base Setpoint heading and the
Base table lurks under it
with our mouse hovering over it, we glance below to see:
This table controls the desired idle RPM vs. Engine Coolant Temperature.
This being an actual table and not a simple list, allow me to explain how I read it.
There are four conditions:
- In Gear AC off (as in stopped at a stop sign or a red light)
- In Gear AC on (as in stopped at a stop sign or a red light)
- P/N AC off (in Park or in Neutral AC off)
- P/N AC on (in Park or in Neutral AC on)
So in our case in Park with the Air Conditioning off (deleted actually) and with the Engine Coolant Temp at 154* F we should be idling at 550, and we are. High fives all the way around!