S13 SR20DET Weird Noises - Lifters/ Bearing/ Rods? **VIDEO** - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Dorifto Machine · 04-18-2013, 12:38 AM

Update: Dieing in neutral / decel RESOLVED!

It was definitely related to the throttle stop screw being opened a little too much.
Being that the stop screw was set , then tps was set based off the incorrect position it was causing the IACV to essentially overwork.

Based of my own study and multiple tests I resolved the Idle issue and Dieing in Neutral or Deceleration in this manner:

-Removed the Coupler from the throttle body to expose the throttle butterfly
- Unscrewed the 8mm nut on that locks the throttle stop screw
-Used appropriate allen key to
First, loosen stop screw completely
Second, tighten stop screw until it starts to move the butterfly which means its compressed against it.
-You will then verify TPS is set , I set mine to .45
--Cranked the car, let it get to 180 degrees then adjusted the idle with my IACV
-Take it for another drive and adjust IACV as needed for higher idle

So far I drove it for a couple hours and it hasn't died once.

Hope this helps someone else!

Thread Tools
Show Printable Version Email this Page
Display Modes
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode

04-18-2013, 12:38 AM	#40
Dorifto Machine Zilvia Addict Join Date: May 2011 Location: Orlando Fl. Posts: 698 Trader Rating: (17) Feedback Score: 17 reviews	Update: Dieing in neutral / decel RESOLVED! It was definitely related to the throttle stop screw being opened a little too much. Being that the stop screw was set , then tps was set based off the incorrect position it was causing the IACV to essentially overwork. Based of my own study and multiple tests I resolved the Idle issue and Dieing in Neutral or Deceleration in this manner: -Removed the Coupler from the throttle body to expose the throttle butterfly - Unscrewed the 8mm nut on that locks the throttle stop screw -Used appropriate allen key to First, loosen stop screw completely Second, tighten stop screw until it starts to move the butterfly which means its compressed against it. -You will then verify TPS is set , I set mine to .45 --Cranked the car, let it get to 180 degrees then adjusted the idle with my IACV -Take it for another drive and adjust IACV as needed for higher idle So far I drove it for a couple hours and it hasn't died once. Hope this helps someone else!