TOO much Throttle Response....

Katmandu · **Posted:** Thu Aug 18, 2005 10:37 pm

To me, my 05 Liberty has TOO GOOD of a throttle respone. It seems the TSP is set TOO "TIGHT" and the throttle responds quickly with VERY minimal input.

I'm considering backing off the TSP a bit.

What's your throttle response like with the 3.7L ?

2003KJ · **Posted:** Thu Aug 18, 2005 10:52 pm

Mine's always been wuite perky.....but i like it that way.

BTW, did you mean TPS, or Throttle Positioning Sensor? Are they even adjustable on the KJ's?

Katmandu · **Posted:** Fri Aug 19, 2005 7:48 am

2003KJ wrote:

BTW, did you mean TPS, or Throttle Positioning Sensor? Are they even adjustable on the KJ's?

Yea, TPS.

I was in a hurry. :oops:

Yea, they are adjustable. I'm going to "tweak" mine to make it LESS responsive. Maybe that'll help increase my MPGs!

hoss75 · **Posted:** Fri Aug 19, 2005 2:03 pm

Katmandu wrote:

To me, my 05 Liberty has TOO GOOD of a throttle respone.

This proves it... people will witch about ANYTHING!!!

Guyute1210 · **Posted:** Fri Aug 19, 2005 2:32 pm

hoss75 wrote:

Katmandu wrote:

To me, my 05 Liberty has TOO GOOD of a throttle respone.

This proves it... people will witch about ANYTHING!!!

AMEN!

Katmandu · **Posted:** Fri Aug 19, 2005 4:37 pm

hoss75 wrote:

Katmandu wrote:

To me, my 05 Liberty has TOO GOOD of a throttle respone.

This proves it... people will witch about ANYTHING!!!

LMAO!

DogHog04 · **Posted:** Sat Aug 20, 2005 8:09 am

I may have a solution to your throttle repose issue.
Go with a diesel, the CRD will end any complaints for too much throttle response.

Katmandu · **Posted:** Sat Aug 20, 2005 11:19 am

DogHog04 wrote:

I may have a solution to your throttle repose issue.
Go with a diesel, the CRD will end any complaints for too much throttle response.

That sure is a cure! :lol:

I really wanted a CRD (REAL Bad!), but the Stealership refused to deal on them and we weren't willing to pay a $5,000 Premium just to get one. :cry:

Edwin · **Posted:** Sat Aug 20, 2005 9:06 pm

Never heard of too much throttle response. I like mine just fine

Katmandu · **Posted:** Sat Aug 20, 2005 9:33 pm

Edwin wrote:

Never heard of too much throttle response. I like mine just fine

Neither did I until I bought this KJ. :shock:

Tightwadsjeeper · **Posted:** Mon Aug 22, 2005 9:44 pm

My wife has the 2wd Sport with the 3.7L and the 4.whatever gearing (mine has the 3.55 gearing), and there is a NOTICEABLE difference in throttle response between them. Her's is positively twitchy with acceleration from a start, where mine is a lot smoother (both are Auto's).

Luis

Katmandu · **Posted:** Tue Aug 23, 2005 9:14 am

Tightwadsjeeper wrote:

Her's is positively twitchy with acceleration from a start, where mine is a lot smoother (both are Auto's).

Luis

"Twitchy" is a VERY GOOD description of what I'm talking about.

My Liberty also has a 3.7L and it's WAY MORE "twitchy" than my 98 Explorer with a 4.0L/auto/4.10 gears!

I was thinking my Liberty had AT LEAST 4.10s, but it only has 3.55s.

FreedomKJ · **Posted:** Tue Aug 23, 2005 12:06 pm

Tightwadsjeeper wrote:

My wife has the 2wd Sport with the 3.7L and the 4.whatever gearing (mine has the 3.55 gearing), and there is a NOTICEABLE difference in throttle response between them. Her's is positively twitchy with acceleration from a start, where mine is a lot smoother (both are Auto's).

Luis

FWIW, 4.10s are only available with the 2.4L.

KJKev · **Posted:** Tue Aug 23, 2005 12:10 pm

You say your Lib has too much throttle response..??
What are you comparing it to? If you're not comparing it to another Lib, then you're not doing yourself any favors by backing down the TPS.

Also, when you kick on the A/C with the TPS set so low, it could kill the engine.
At the least, you're gonna get a check engine light.

KJKev

FreedomKJ · **Posted:** Wed Aug 24, 2005 10:39 am

By backing the TPS away from the "correct" setting, all you're going to do is cause the engine to run lean, as the throttle cable will still open up the intake and allow the same amount of air in, but the computer will think you aren't pushing the pedal down as far and will therefore not give as much gas.

Running lean can damage sensors and your catalytic converter.

Katmandu · **Posted:** Wed Aug 24, 2005 10:53 am

FreedomKJ wrote:

By backing the TPS away from the "correct" setting, all you're going to do is cause the engine to run lean, as the throttle cable will still open up the intake and allow the same amount of air in, but the computer will think you aren't pushing the pedal down as far and will therefore not give as much gas.

Won't the O2 sensors catch this lean condition and the computer to correct for it ??

FreedomKJ · **Posted:** Wed Aug 24, 2005 11:14 am

Katmandu wrote:

FreedomKJ wrote:

By backing the TPS away from the "correct" setting, all you're going to do is cause the engine to run lean, as the throttle cable will still open up the intake and allow the same amount of air in, but the computer will think you aren't pushing the pedal down as far and will therefore not give as much gas.

Won't the O2 sensors catch this lean condition and the computer to correct for it ??

They may after a little while, but in the end it won't be any less sensitive, it will just require pushing the pedal further before anything happens, and putting the pedal to the floor will probably no longer give you full throttle.

Katmandu · **Posted:** Wed Aug 24, 2005 11:34 am

FreedomKJ wrote:

it will just require pushing the pedal further before anything happens,

That's what I want to accomplish.

Quote:

and putting the pedal to the floor will probably no longer give you full throttle.

And that "may" be a GOOD THING!! It'll slow my lead-footed wife down and hopefully increase the MPGs!!

KJKev · **Posted:** Wed Aug 24, 2005 11:47 am

Not trying to sound insensitive, but instead of trying to change your Lib, why don't you and the wife change your driving style?
That sounds much easier...
KJKev

Katmandu · **Posted:** Wed Aug 24, 2005 11:55 am

KJKev wrote:

Not trying to sound insensitive, but instead of trying to change your Lib, why don't you and the wife change your driving style?
That sounds much easier...
KJKev

Like I said in an earlier posting. My Liberty's throttle input is extremely sensitive. Kinda like a motorcycle engine-like response.

I've been driving since 1978 and my wife since 1980, so I don't think our driving style is gonna change! :>) Thanks for the suggestion though!

TOO much Throttle Response....

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