Acceleration Lag - Intermittent - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

donnyk · 06-27-2013, 02:06 PM

Hi, I have about 9000, KM on the 2013 FRS, it’s automatic transmission. Lately I have noticed an intermittent acceleration lag. I have noticed that this happens when I slowdown to about 40-50 KM/H and try to pick up, feels as if it’s still stuck in 6th gear. I thought it might be the A/C, so tired without A/C same result, I use Shell 91. The gas consumption has increased very slightly as well, I used to get 8.5/100, now its 9.0/100, Any thoughts anyone?

wrxgoose · 06-27-2013, 02:12 PM

I would say try another gas station, your 86 might not be liking the quality for fuel at that shell. Atleast it's a variable you can adjust. Other than that, I have no idea

donnyk · 07-02-2013, 11:16 AM

Quote:

Originally Posted by wrxgoose

I would say try another gas station, your 86 might not be liking the quality for fuel at that shell. Atleast it's a variable you can adjust. Other than that, I have no idea

It seem to be getting better with this new tank of gas.

governor · 07-06-2013, 10:22 PM

I gotta say that I was trying to avoid ethanol blended gas, but lately I have been using 94 and my car feels much more responsive.

SupraRon · 07-15-2013, 09:55 AM

You could throw it into manual mode when you slow down to see if it's still in 6th gear. That way you'll at least know why there is slow acceleration. I normally drive in manual mode anyhow unless on the highway. It's more fun!

f0rge · 07-16-2013, 09:51 AM

Are you dropping below 4000rpm? Sometimes I punch the gas and get absolutely nothing only to realize that this car makes approx 8hp under 4000rpm.

pmdc · 07-17-2013, 11:53 PM

Sounds like you're trying to accelerate in the torque dip. You can get a tune to flatten that out, but you may run into warranty issues down the road. Just drive it in manual mode and you can stay above it. Your mileage probably went down because the engine isn't breathing winter air anymore.

06-27-2013, 02:06 PM	#1
donnyk Junior Member Join Date: Jun 2013 Drives: 2013 Scion FRS Location: Toronto Posts: 2 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Acceleration Lag - Intermittent Hi, I have about 9000, KM on the 2013 FRS, it’s automatic transmission. Lately I have noticed an intermittent acceleration lag. I have noticed that this happens when I slowdown to about 40-50 KM/H and try to pick up, feels as if it’s still stuck in 6th gear. I thought it might be the A/C, so tired without A/C same result, I use Shell 91. The gas consumption has increased very slightly as well, I used to get 8.5/100, now its 9.0/100, Any thoughts anyone?

07-15-2013, 09:55 AM	#5
SupraRon Member Join Date: Feb 2013 Drives: Raven 6AT Location: Mississauga Posts: 95 Thanks: 36 Thanked 13 Times in 10 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	You could throw it into manual mode when you slow down to see if it's still in 6th gear. That way you'll at least know why there is slow acceleration. I normally drive in manual mode anyhow unless on the highway. It's more fun! __________________ The fun has returned!! Morimoto Mini H1 HID conversion

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06-27-2013, 02:12 PM	#2
wrxgoose WUB WUB Join Date: Aug 2012 Drives: 2013 Firestorm Location: Charlotte Posts: 2,788 Thanks: 313 Thanked 1,573 Times in 858 Posts Mentioned: 52 Post(s) Tagged: 1 Thread(s)	I would say try another gas station, your 86 might not be liking the quality for fuel at that shell. Atleast it's a variable you can adjust. Other than that, I have no idea

07-06-2013, 10:22 PM	#4
governor Member Join Date: Aug 2012 Drives: 2013 FR-S Navy Blue Location: Canada Posts: 24 Thanks: 4 Thanked 11 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I gotta say that I was trying to avoid ethanol blended gas, but lately I have been using 94 and my car feels much more responsive.

07-17-2013, 11:53 PM	#7
pmdc Member Join Date: Jul 2013 Drives: Raven FR-S 6MT Location: Nova Scotia Posts: 85 Thanks: 11 Thanked 42 Times in 18 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Sounds like you're trying to accelerate in the torque dip. You can get a tune to flatten that out, but you may run into warranty issues down the road. Just drive it in manual mode and you can stay above it. Your mileage probably went down because the engine isn't breathing winter air anymore.

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