Gas Pedal Problem

usckyle180 · August 8th, 2011, 09:19 PM

I drove my mustang for the first time today and the car would take off without me pressing on the gas pedal. Anyone have an idea on what this could be?

Skargon · August 8th, 2011, 09:24 PM

Stick or Auto?

How high does it IDLE in Park or Neutral?

usckyle180 · August 8th, 2011, 09:49 PM

Auto and idles at around 750. I just went and tried to put it in gear and it acted like it wanted to take off.

mangogirl205 · August 8th, 2011, 10:27 PM

Hmm..It kinda sounds like what I was expirencing but this happened after I did a TB install.
If you didn't install a TB recently or aftermarket one it might be the following.

1.TPS-Throttle Position Sensor- going bad
2.IAC -Idle Air Control-could be sticking

I'm only saying this because this is what I checked first to try and fix my surging problem.When I put my car in Drive it wants to shoot forward...like a big jolt.

You can also check for a vacuum leak.

mustangmike! · August 9th, 2011, 01:22 AM

Well it sound to me that being that you have an automatic, that: whatever the idle RPM is in D when you let off the brake is strong enough to put some turn into the tq converter. Strong enough to turn the wheels if their is not enough resistance.

whyxitx · August 9th, 2011, 01:51 AM

it's magic

1slowv6 · August 9th, 2011, 06:13 AM

so you say your idle is around 750 and when you put it in drive it moves forward....

uh yeah theres nothing wrong with your car thats how automatics work....

dgt_mustang · August 9th, 2011, 08:27 AM

Originally Posted by 1slowv6

so you say your idle is around 750 and when you put it in drive it moves forward....

uh yeah theres nothing wrong with your car thats how automatics work....

LOL

sounds like it may be to much power for you! j/k calm down. at idle in park is the rpms at 750 or while you have the car in "D" and your foot on the brake?

xtreme 2 · August 10th, 2011, 08:00 AM

that's some crazy torque!!

Had a bronco I drove for a while, thing would get up to 25 mph just by letting off the brake... Almost never had to push the gas in town... thing drove itself...

xi KRON1C ix · August 10th, 2011, 11:05 AM

Originally Posted by 1slowv6

so you say your idle is around 750 and when you put it in drive it moves forward....

uh yeah theres nothing wrong with your car thats how automatics work....

, yeah mine idles around 750 and when i let off the brake it moves forward...thought thats how it was suppose to be

Maverick530 · August 10th, 2011, 05:40 PM

when i drive automatics it does the same thing, unless i was on a hill or something sort of incline...

this must be the devils work

August 8th, 2011, 09:19 PM	#1
usckyle180 Newbie 1994 Mustang V6 Join Date: Aug 2011 Posts: 3 iTrader: 0 reviews	Gas Pedal Problem I drove my mustang for the first time today and the car would take off without me pressing on the gas pedal. Anyone have an idea on what this could be?

August 8th, 2011, 09:24 PM	#2
Skargon Skar Gone 1998 Mustang V6 17.27@76.66 Join Date: Jul 2011 Location: Dayton Ohio Posts: 1,646 iTrader: 0 reviews	Stick or Auto? How high does it IDLE in Park or Neutral? __________________ 1998 5 Speed, CAI, Exhaust, Rear Seat Delete.

August 9th, 2011, 01:22 AM	#5
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	Well it sound to me that being that you have an automatic, that: whatever the idle RPM is in D when you let off the brake is strong enough to put some turn into the tq converter. Strong enough to turn the wheels if their is not enough resistance. __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

August 9th, 2011, 06:13 AM	#7
1slowv6 Enthusiast 2000 v6 mustang Join Date: Nov 2010 Location: St. petersburg FL Posts: 738 iTrader: 1 reviews	so you say your idle is around 750 and when you put it in drive it moves forward.... uh yeah theres nothing wrong with your car thats how automatics work.... __________________ If Nissan motorsports is Nismo..Wouldn't Honda motorsports be Homo?

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August 8th, 2011, 09:49 PM	#3
usckyle180 Newbie 1994 Mustang V6 Join Date: Aug 2011 Posts: 3 iTrader: 0 reviews	Auto and idles at around 750. I just went and tried to put it in gear and it acted like it wanted to take off.

August 8th, 2011, 10:27 PM	#4
mangogirl205 Regular 2001 V6 Mustang Vert. Join Date: May 2011 Location: MD Posts: 266 iTrader: 0 reviews	Hmm..It kinda sounds like what I was expirencing but this happened after I did a TB install. If you didn't install a TB recently or aftermarket one it might be the following. 1.TPS-Throttle Position Sensor- going bad 2.IAC -Idle Air Control-could be sticking I'm only saying this because this is what I checked first to try and fix my surging problem.When I put my car in Drive it wants to shoot forward...like a big jolt. You can also check for a vacuum leak.

August 10th, 2011, 08:00 AM	#9
xtreme 2 Hardcore Enthusiast 2001 v6 premium Join Date: Nov 2008 Location: Tulsa, OK Posts: 1,340 Blog Entries: 1 iTrader: 0 reviews	that's some crazy torque!! Had a bronco I drove for a while, thing would get up to 25 mph just by letting off the brake... Almost never had to push the gas in town... thing drove itself...

August 10th, 2011, 05:40 PM	#11
Maverick530 Hardcore Enthusiast 2001 Mustang GT Vert Average Join Date: Jun 2010 Location: Lafayette Louisiana Posts: 2,404 iTrader: 0 reviews	when i drive automatics it does the same thing, unless i was on a hill or something sort of incline... this must be the devils work

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