NP 3.2 Idle Butterfly Setting

Bazooka

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Join Date: Apr 2012

Posts: 134

Location: Fraser Coast Queensland
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NP 3.2 Idle Butterfly Setting

02-04-20, 06:25 AM

Hi All,

Can anybody please explain how the idle setting screw position is determined on an NP 3.2.

My understanding is that the butterfly is wide open at idle on cold start and closes almost completely at full engine temperature. But, how critical is that setting or in other words, how far open should the butterfly be at normal engine temperature.

Thinking maybe it is determined by a guage (vernier) or maybe via a MUTT?

Thanks for for any help!

Bazooka

2004 NP 3.2 Auto Exceed, 410,250+k's, OME Suspension w/2-inch Lift, ECB Aluminium Bullbar, Under-bonnet Dual Batteries. Engine rebuilt at 401,595k's.
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