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Fuel Accufab TB Adjustment

  • Thread starter Thread starter My92cashtrap
  • Start date Start date Aug 5, 2019

My92cashtrap

Member
May 11, 2019
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13
18
Holland MI
Aug 5, 2019
#1
  • Aug 5, 2019
  • #1
This weekend I installed an Accufab 70mm TB and Spacer on my Fox. I checked the timing (13 degrees), and then set the TPS (.97).

The car runs great and pulls hard. Idle is right at 650-700rpm. But due to my cam, the motor "'almost" stalls out when idling. I'd like to up the idle to 750-800rpm. But in the Accufab directions it states:

"Technical Notes: Idle speed should only be set by adjusting the throttle position sensor. DO NOT adjust any screws on the throttle body. These screws are pre-set at Accufab."

Sooo...what's my preferred course of action here? Play with the TPS for a slightly higher idle and ignore the voltage? Or have a go at the idle screw?

TIA
 

General karthief

wonder how much it would cost to ship you a pair
5 Year Member
Aug 25, 2016
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polk county florida
Aug 5, 2019
#2
  • Aug 5, 2019
  • #2
I doubt adjusting the tps will change the idle. Do the base idle reset. You can find the directions in the surging idle checklist in the tech threads.
 
Reactions: My92cashtrap

TOOLOW91

If you're the village idiot what's that make me?
20+ Year Stangneter
Nov 29, 1999
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S.I.NY
Aug 6, 2019
#3
  • Aug 6, 2019
  • #3
Ignore that . Disconnect the iac . Adjust the screw .Re Connect iac, Reset the tps , do a base idle reset and call it a day it won’t take much turning to Bump it up . Every engine is different especially depending on what cam Is in it . I have the same throttle body and have adjusted mine for my cam to idle where it needs to be .
 
Reactions: Scrapla347 and JD1964

My92cashtrap

Member
May 11, 2019
53
13
18
Holland MI
Aug 6, 2019
#4
  • Aug 6, 2019
  • #4
TOOLOW91 said:
Ignore that . Disconnect the iac . Adjust the screw .Re Connect iac, Reset the tps , do a base idle reset and call it a day it won’t take much turning to Bump it up . Every engine is different especially depending on what cam Is in it . I have the same throttle body and have adjusted mine for my cam to idle where it needs to be .
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Thank you!
 
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