Is there a way to improve throttle response?
I'm coming from a mechanical cable system (s2000) and the FRS' throttle response in non-sport mode is painfully bad. There seems to be a full one-second delay between pedal input and response. I thought a couple of weeks would get me used to it, but after rolling backwards on a hill and curbing my wheels awfully (San Francisco hills), I'm frustrated to the point that I'm looking for a solution. That's also not accounting for the clutch delay system that's yet another stupid "feature"...
Is there a way to improve the lag without turning sport mode on every time? It's pretty awful compared to other DBW systems I've used before and is directly comparable to a Chevy Cruze and Kia Optima. If not, is there a way to simply leaving the car in sport mode permanently? Every time I shut off the car, it resets to non-sport mode which is pretty annoying. :thumbdown: |
I don't know if it's just a mental thing for me but e85 and an open flash tune made a very notable difference in response.
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Pretty sure is a tune issue.
My guess, ask the dealer if they can reflash it. Not sure how much that would cost, or if there is a service bulletin out there. Maybe more would chime in. |
Ecutek race Rom or... https://www.carmodsaustralia.com.au/...troller-BRZ/86
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don't know what year we're dealing with, but very rarely i can catch my '14 off guard on rev-matches for just a half-second. otherwise, the gas pedal operates exactly like how i expect it to.
unlike my work truck, where i call it 'the suggestion pedal'. |
It's an early 13' model with a newer ECU at some point during warranty. I was hoping I wouldn't have to flash it as "sport" mode is sufficiently responsive for my expectations. I may just end up wiring out a 12v off the ignition to turn on sport mode when the car starts instead.
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dagle, sorry to hear you are having issues with default nanny mode. I always drove it with full press for 100% 'off' unless I forgot on very rare occasions. When disconnecting the battery the few times necessary, I always hated the throttle response for quite a while afterwards...never liked disconnecting the battery for any kind of reason. My habit that became second nature was to always run in traction/stability 'off' 100% of the time. Get in, start the car and hold the button down till traction/stability were off/lit up... never drove it in full nanny mode or sport mode.
dagle bought my car, extremely early '13 model. Battery was disconnected to put factory drivers seat back in for him, and of course sucky pedal response that takes place after a power reset. The car never liked a period of time after a power reset even with 100% 'off' of traction/stability. |
Clutch delay system?
As far as throttle body this is the best DBW system I've ever driven. I think it might be an issue of you getting used to a car. |
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the slave cylinder design from the 90s and 00's were different that allowed for clutch modulation to be almost 1:1 analogously regardless of how hard you stomp on or release the clutch. I don't think the FRS/BRZ have the same system components, there seems to be a mechanical or hydraulic delay (unless if my master cylinder's brake fluid is mushier than it should be) when releasing the clutch particularly if I clutch dump at high RPMs. The net effect is that I shift in my s2000 significantly faster than in my FRS and both cars have fairly mild clutches (both sprung, full non-pucked discs). The other time it's noticeable is when I am in San Francisco on a hill riding my clutch (zero throttle, sitting on the clutch engaged to hold me at 0mph and not rolling). I can do this effortlessly on my S2000 and I cannot seem to get it to work in my FRS, though I will admit that I have had more than a decade of practice in the former car. as far as the throttle body DBW system, we can agree to disagree lol i've driven a handful of DBW cars that were very good but that's probably biased by how much horsepower they have and thus how much feedback the driver is immersed with. I much prefer the later 08-09 s2000's DBW system and even the newer teslas, but again those are different monsters. The FRS in sport mode seems to be closer to those 2, but in normal mode it is not great in my opinion. |
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