TB idle position on 172 Phase 2.......

[bearne1]

............is the butterfly fully closed upon Idle?

Thanks

 

[Lagerlout]

I wouldn't have thought so. But it might be if there's some kind of bleed hole for idle.

In fact I have no idea. lol.

 

[Icarus]

Assuming DBW car?

If so no, the ECU will open the throttle a pre-set amount to maintain idle speed under various loads.

Cheers
M

 

[bearne1]

Pm sent - I'm sure it is DBW.

Thanks