Wow does this 2.0 lag when you stomp on it or what? - Hyundai Forums : Hyundai Forum
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post #1 of 87 (permalink) Old 02-04-2019, 01:59 PM Thread Starter
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Wow does this 2.0 lag when you stomp on it or what?

I was driving our 2.0T and needed to change lanes at a stop light. A car was coming, but far enough that if I was quick on the gas I could get into the next lane (I was completely stopped).

What I did not expect was a large delay before power hit. The car was so slow off the line, but then it burned rubber once the turbo hit. Just the weirdest power curve. I am used to my ram with 5.7 v8. I am going to have to learn how to drive this thing. Never had a turbo car before. I assume this is completely normal for turbo charged cars.
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post #2 of 87 (permalink) Old 02-04-2019, 02:10 PM
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normal . When you want to discuss turbo lag - early turbos in the 1980s are good examples - I had a 1986 Saab 2.0T with a big garrett turbo on it - living at 6k altitude and on a hot summer day with AC running you could catch a few winks waiting for boost to build. A car mag once compared early turbo lag to slowly stretching out a rubber band, but when released - snap .

Vastly improved these days - but you will need to acclimate coming from that big displacement V8.

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post #3 of 87 (permalink) Old 02-04-2019, 02:13 PM
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I should say normal for a small displacement 4 cyl turbo - go test drive a Ford ecoboost 3.5l or the Genesis V6 - both twin turbos and you will be in for a nice experience. A bit more displacement with a turbo does matter.

and I might add this is the reason why a number of makers Subaru, Mazda come to mind as well as Hyundai Theta III - having a 4 banger with 2.4 , 2.5 l . this helps to move 4,000 lbs from standstill.

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post #4 of 87 (permalink) Old 02-04-2019, 02:14 PM
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Get a throttle controller.

You can't stand backwards on stairs......
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post #5 of 87 (permalink) Old 02-04-2019, 03:10 PM
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In my opinion it doesn’t just have turbo lag. There is some type of transmission lag as well. Hard to explain but it doesn’t feel like it’s all the turbo.
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post #6 of 87 (permalink) Old 02-04-2019, 03:36 PM
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Originally Posted by ZerosweeT View Post
In my opinion it doesnít just have turbo lag. There is some type of transmission lag as well. Hard to explain but it doesnít feel like itís all the turbo.
I agree, my Sonata 2.0T only does this intermittently. Most of the time I get pretty instant takeoff from a full stop, other times the dreaded "Dead Pedal Lag". I think it has something to do with the ECM? In "Sport Mode" the throttle response is more sensitive and it happens less frequently.
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post #7 of 87 (permalink) Old 02-04-2019, 03:47 PM
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Garage
If you floor the gas pedal you get the lag....try 3/4 depression and it does help take off
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"Act on what you know not what you think"
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post #8 of 87 (permalink) Old 02-04-2019, 04:30 PM
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When I had my 2017 Santa Fe Sport 2.0T it would burn rubber in Sport mode if I wasn't careful. There was absolutely no lag whatsoever. In fact I had a Ford Cobra that was itching to race from a stoplight and when the light went green I smoked the tires and got a two car length lead on him in a heartbeat. Put a smile on this 75 year old grandpa......
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post #9 of 87 (permalink) Old 02-04-2019, 04:38 PM
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It could also be traction control in the ECM. I have a Ram/Cummins pickup and the ECM "detunes" the engine on takeoff, causing the "dead pedal" feel. They do it to save the transmission and keeping the 800 ft lbs of torque from tearing the driveline apart.
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post #10 of 87 (permalink) Old 02-04-2019, 05:54 PM
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Originally Posted by Atomic_Dog View Post
I was driving our 2.0T and needed to change lanes at a stop light. A car was coming, but far enough that if I was quick on the gas I could get into the next lane (I was completely stopped).

What I did not expect was a large delay before power hit. The car was so slow off the line, but then it burned rubber once the turbo hit. Just the weirdest power curve. I am used to my ram with 5.7 v8. I am going to have to learn how to drive this thing. Never had a turbo car before. I assume this is completely normal for turbo charged cars.
Curious - when did you get the vehicle (wonder if its a problem with earlier vehicles/resolved with more recent ones) and where are you (mountains or lower elevations, wondering if it's a problem with thin air like what occurred at the 2019 Santa Fe launch in Utah)
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