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Old 06-17-2015, 07:27 AM   #1
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Terrible throttle response

Whenever I hit the gas it takes a good couple seconds for the car to start going. The only time i can get it to go when I want it to is to lay the gas all the way down. Other than that I'm risking getting rear ended when I pull out in front of people. What can I do to fix this?
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Old 06-17-2015, 07:31 AM   #2
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Try disconnecting the battery for an hour. Then go take it for a spin. Also, you can try disabling the traction control (if equipped).
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Old 06-17-2015, 07:36 AM   #3
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Well I've had this problem for a while and have just never done anything about it. I've done both of those before and it never changed anything
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Old 06-17-2015, 07:49 AM   #4
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Are you tuned? Also, check to make sure you maintenance is up to date. Clean out the throttle body, MAF, Spark Plugs (depending on miles), air filter, oil change, and run some fuel system cleaner. You car always runs best when everything is kept in tip top shape.

If you are tuned, I was going to suggest to contact your tune vendor. If you are Auto, sometimes there is a lag when they are not tuned because the ECU has to adjust and downshift to the best gear at that time. Whereas with a Manual, you shift and it is instant.

A tune can help decrease the lag. Just depends on what you are aiming for.
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Old 06-17-2015, 08:15 AM   #5
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Maintenance is all up to date. It's not tuned so that could work and I haven't cleaned out the throttle body. It only does it when I'm stopped and pulling out somewhere
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Old 06-18-2015, 07:10 AM   #6
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It's just the nature of the drive by wire system and especially if you're an auto then that'll cause even more lag


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Old 07-14-2015, 08:30 AM   #7
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Is it throwing any codes is your check engine light on?
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Old 07-14-2015, 08:10 PM   #8
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No it just takes a second or two to get going after I press the pedal
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Old 07-15-2015, 05:52 AM   #9
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I used to have an 05 before and what I did is I did was disconnected the battery for 30 mins and put it back in or do KAM RESET you can do it in your sct device, or best solution is change your gears.

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Old 07-15-2015, 07:10 AM   #10
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Quote:
Originally Posted by shunc01 View Post
I used to have an 05 before and what I did is I did was disconnected the battery for 30 mins and put it back in or do KAM RESET you can do it in your sct device, or best solution is change your gears.

MPT TUNE, Borla S-Type, Airaid Cai, Ford racing X pipe, Mac ceramic shorty headers, 2010 GT500 rims, 35% tint, Sr Springs, J&M phb, camber bolts, blacked out side markers, front and taillights.

My car has full bolt ons, 93 tune, and 3.73 gears and even after I had to unplug my battery the other day even my car had better response. It's good to do every now and then


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Old 07-15-2015, 07:26 AM   #11
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Quote:
Originally Posted by 08Mustang View Post
My car has full bolt ons, 93 tune, and 3.73 gears and even after I had to unplug my battery the other day even my car had better response. It's good to do every now and then


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Will unplugging the battering have the same affect as a KAM reset?
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Old 07-15-2015, 12:09 PM   #12
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I'm not familiar with doing that or frankly what it is so I'm not sure but I do unplugging the battery will help


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Old 07-18-2015, 10:40 AM   #13
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Quote:
Originally Posted by bAsebAll1332 View Post
Will unplugging the battering have the same affect as a KAM reset?
Yeah they both have the same affect. The tuner is more convenient and will save you the 30 minutes it takes to clear the KAM by unplugging the battery.

Also, I've seen some threads about pulling fuse 47? Anyone have any insight on the adaptive shifting and if it's on the 4.0's?
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Old 07-18-2015, 10:44 AM   #14
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Forgot to mention...
It's always good to do the idle relearn when clearing the KAM.

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Old 07-19-2015, 12:30 PM   #15
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Almost sounds like the transmission not going into gear .Does it like slam into gear when you give it gas ?
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