2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

SAFC throttle position question

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Old Nov 29, 2003 | 12:59 PM
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BDoty311's Avatar
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SAFC throttle position question

Ok I just installed my SAFC II, but the throttle reading display is off. It says that at about 1/2 of the thottle opening, that it is at 100% throttle. Anybody know how to fix this problem?
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Old Nov 29, 2003 | 01:01 PM
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Scott 89t2's Avatar
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that is normal on S4. 33% throttle = 100 on the Safc. that is the max of your TPS.

just set your low at 98% and high at 99% and it'll work fine.
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Old Nov 29, 2003 | 01:03 PM
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If you have an S4 then its normal, actually should say full throttle at 1/3 of full throttle. No fix there, some suggest using the pressure sender as the input, do some searching you'll see it.

If its a S5 then there is something wrong, and hopefully someone more knowledgable could chime in.

Dan
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Old Nov 29, 2003 | 01:15 PM
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Ok thanks. Is this messing anything up, or will it be ok to run around with it like that?
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Old Dec 1, 2003 | 06:44 PM
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bump

Is the SAFC moddifying anything with the throttle position?
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Old Dec 1, 2003 | 06:44 PM
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bump

Is the SAFC moddifying anything with the throttle position?
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Old Dec 1, 2003 | 06:48 PM
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Some of us are considering running the throttle signal from the boost sensor. I think it would give a more accurate fuel curve. I see 100% throttle at about 1/3 pedal.

Jarrett

*edit* and your SAFC uses the throttle position to help determine correction.

Last edited by J-Rat; Dec 1, 2003 at 06:51 PM.
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