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Old Apr 10, 2006 | 05:00 PM
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has anyone had any experience with the throttle cut defender circuit?
 
Old Apr 10, 2006 | 07:02 PM
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is this the thing that stops fuel cut when your boosting too much? if so I wouldnt recomend it at all. If your car is doing this that means its trying to tell you to back off, cause its reached its limits for the current setup.
 
Old Apr 10, 2006 | 07:03 PM
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Throttle cut doesnt mean its reached its limits , it just mean the ECU is sensing more boost than it requests.

For people w/ chip and who spike this can be a problem.
 
Old Apr 10, 2006 | 07:25 PM
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When the maf reads more then it can counter with fuel it will cut, so therefore the limit it can safely maintain has been reached. I dont recomend it but do as you will

edit: it has nothing to do with "boost the ecu sees" its maf readings that cause this and as we all know thats pre turbo (before boost)
 
Old Apr 10, 2006 | 07:27 PM
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i used to run a throttle cut defender on my MR2 worked perfectly..but im not so sure that would be a good idea on the Audi
 
Old Apr 10, 2006 | 07:36 PM
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ORIGINAL: liquidxit2

When the maf reads more then it can counter with fuel it will cut, so therefore the limit it can safely maintain has been reached. I dont recomend it but do as you will

edit: it has nothing to do with "boost the ecu sees" its maf readings that cause this and as we all know thats pre turbo (before boost)

I do not own a DBW A4, but from what I know, the ECU senses too much boost, and cuts throttle to 40%.

This also happens on upgraded fuel systems. The ECU THINKS there it shouldnt be running more.

This is due to spiking of boost from k04's/k03's. Some people use a N75H vavle, which reducing spiking, but it raises the constant boost pressure.
 
Old Apr 10, 2006 | 07:43 PM
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ORIGINAL: InsaneHatter


ORIGINAL: liquidxit2

When the maf reads more then it can counter with fuel it will cut, so therefore the limit it can safely maintain has been reached. I dont recomend it but do as you will

edit: it has nothing to do with "boost the ecu sees" its maf readings that cause this and as we all know thats pre turbo (before boost)

I do not own a DBW A4, but from what I know, the ECU senses too much boost, and cuts throttle to 40%.

This also happens on upgraded fuel systems. The ECU THINKS there it shouldnt be running more.

This is due to spiking of boost from k04's/k03's. Some people use a N75H vavle, which reducing spiking, but it raises the constant boost pressure.


thats exactly how the fuel cut defender worked on my MR2 and on all cars im sure.. once the ecu reads a certain boost.. it was 17psi i think ..cant remember exactly.. on my MR2 .. after 17psi or whatever it was.. the fuel would cut.. and you would have to reset the ecu to get it back to normal..
 
Old Apr 11, 2006 | 10:36 AM
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Default RE: throttle cut

ok so the MAF is the culprit... I have a custom air intake could it be getting too much air? that's why it's cutting throttle? if so it will be easy for me to change back to stock... anything to just hold onto my boost for more than a few days!
 
Old Apr 11, 2006 | 01:40 PM
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I dont think having the intake will do anything, its your spiking boost.

Get an N75H race valve to try to curve the spiking.

search for throttle cut on audizine, they might have better answers
 
Old Apr 11, 2006 | 02:01 PM
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Default RE: throttle cut

I just got the race valve... do i need to do a TBA once I put it in or will it adjust automatically? the one guy said its the MAF? is this the problem or no? thanks
 



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