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Discussion Starter #1
Have any of you noticed the throttle responce in the R/T getting slower over time? Seem that way to me..Just wondering if anyone else has seen it??
 

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I don't know about the Nitro, but in the Hemi version of the LX platforms we have an APPS (Accelerator Pedal Position Sensor) that can be recalibrated by the owner with a simple procedure and made a dramatic difference in throttle response for many of us. Something to ask your Service Mgr. about, or you might try getting a copy of the Service Manual for the Nitro, which is how we discovered this little gem for the LX.

Check here for the manual, or they can sometimes be found for less on ebay.

Good luck!
 

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Discussion Starter #4
Heading in for a Oil change next week, so I will ask the dealer about that. It does seem more like a lag, but I will try this first since it sounds like a easy fix.
Thanks guys!!!
 

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Discussion Starter #6
HEMEEE said:
Hey Jon, what's the end of the story?
Sorry to say, I have not been in yet for my oil change, yet....
Keep ya posted on the outcome!!
Thanks for the advise!
J
 

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I noticed a lot of throttle lag when accelerating from a stop in the R/T I test drove friday. It did not seem normal, even for an electronic throttle (fly by wire), as my current vehicle has one as well, and there is minimal lag. If I end up buying it, I'll definitely have them reprogram the throttle position sensor.
 

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TylerCanada said:
I noticed a lot of throttle lag when accelerating from a stop in the R/T I test drove friday. It did not seem normal, even for an electronic throttle (fly by wire), as my current vehicle has one as well, and there is minimal lag. If I end up buying it, I'll definitely have them reprogram the throttle position sensor.
Define a lot.

First thing I had to get used to was the amount of force needed to depress the throttle pedal. On mine, it seems to be about the same amount throughout pedal travel.

This is different than the '06 Mazda MX5 that I had with the electronic throttle. It was very easy to depress and increased in resistance the more you pressed it, mimicking a cable linkage setup better than the Nitro's.

Once you get used to the Nitro, you won't even notice it any longer.

Two, if you really get on it and the tires are slipping, the ESP system will actually slow down acceleration when your mind is thinking it should be going faster than it is. I have changed wheels and tires on mine. When I jump on it now, I actually hear the tires squealing on the pavement and see the rubber it leaves behind. The stock Goodyear's on the factory 20"s don't have good grip and make very little noise when they slip on pavement.

There is a switch on the center console marked ESP. If you press it in (look for the twin skid markes in the center of the instrument panel), you will partially turn off the traction control system. You can't completely disable it, but you should get better take off with the system turned off. Give it a try.:D
 

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Ok, when I say throttle lag, I mean like a large dead spot before I get any throttle at all. Dry pavement, not flooring it, so ESP isn't the problem. You may be right about needing to get used to it. I drive a Murano currently and it's quite sensitive.
 
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