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 Post subject: Speed limiting fuel cut not working
PostPosted: Mon May 25, 2009 8:43 pm 
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Joined: Sun May 10, 2009 8:54 am
Posts: 12
i have limited the fuel cut as low a 40 mph with no dice
Im trying to set low limits for a "valet" mode
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 Post subject: Re: Speed limiting fuel cut not working
PostPosted: Mon May 25, 2009 9:19 pm 
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Joined: Wed Mar 29, 2006 10:38 pm
Posts: 5336
There's an RPM threshold that is not defined that has to be met in order for the fuel cut to be active (4700 RPM).


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 Post subject: Re: Speed limiting fuel cut not working
PostPosted: Mon May 25, 2009 10:14 pm 
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Joined: Sun May 10, 2009 8:54 am
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ahhh so if i exceed 4700 rpm after my 40mph limit it will fuel cut?


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 Post subject: Re: Speed limiting fuel cut not working
PostPosted: Tue May 26, 2009 8:20 am 
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It should, although I don't know what rom id you are running and I haven't checked to see if that rpm threshold varies by rom. 4700 rpm is from a usdm 02 wrx.


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 Post subject: Re: Speed limiting fuel cut not working
PostPosted: Fri Sep 20, 2024 12:19 am 
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Joined: Fri Mar 07, 2008 11:29 am
Posts: 54
15 years later...necro time.

Is there really no way to set a low speed limiter like for a teen driver that won't freaking obey her parents or the law?
Life360 clocked her at 92mph but the dashcam showed 107mph.
Tried setting fuel cut at 79mph, didn't do anything.
Also set the throttle reduction high to 77mph, didn't feel it as I went right to 85mph no problem.

This is an 07 FXT 5MT. I really don't want to take the car away from her because that just means I have to drive her to school and pick her up. I can't switch cars with her cuz mine is faster.

I could turn down the wastegate to zero and it would at least take her longer to get to those speeds, but it's already gimped to 25% max WGDC from when I was breaking in the new shortblock.

Guessing there is no way to set an actual speed limiter at 80mph unless it also happens to be over 4700rpm which is a stupid thing to require, but it is what it is.


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