help! car only goes up to 40mph

Juggalo_X · January 17th, 2007, 05:19 PM

Originally Posted by 1st_mustang

its just a sensor in your trans have someone do a diognostics check

that would definitely put it in limp mode, usually a sensor would throw a code tho. service engine soon light would be on. is it on?

Tonytone · January 17th, 2007, 05:40 PM

no the light isnt on

Juggalo_X · January 17th, 2007, 05:51 PM

take it back to where u got the heads done was this immediately once u picked it up or did it occur after a little bit of driving?

chrish91286 · January 17th, 2007, 05:51 PM

it is probably one of the solenoids in the trans. probably a combination of the tcc solenoid and the pressure control solenoid. but whatever has gone wrong the trans has gone into a defualt mode and you are going to need to fix it yourself (dont do this unless you completly know how) or take it to a dealership. trust me on this i spend all day fixin hydramatic 4L80's

Tonytone · January 17th, 2007, 05:59 PM

it started happening like 2days prior to the smoke, before i had the head gaskets changed, so i thought changing the gaskets would fix it, the smoke did stop and but it dropped from going to 60mph without shifting to 40mph without shifting from first after the change of the gaskets

232stang · January 17th, 2007, 07:47 PM

i would hate to have your gas mileage right now

DSEZ · January 17th, 2007, 07:50 PM

Originally Posted by 97stanger

Originally Posted by BWAL09

your car only tops out at 40mph? are you sure you arent driving a civic?

HAHAHA!! That was nice.

+50

1st_mustang · January 17th, 2007, 07:51 PM

Originally Posted by 232stang

i would hate to have your gas mileage right now

+1

January 17th, 2007, 05:51 PM	#24
chrish91286 Regular 2003 Mustang GT Join Date: Oct 2006 Location: chesterfield, VA Posts: 256 iTrader: 0 reviews	it is probably one of the solenoids in the trans. probably a combination of the tcc solenoid and the pressure control solenoid. but whatever has gone wrong the trans has gone into a defualt mode and you are going to need to fix it yourself (dont do this unless you completly know how) or take it to a dealership. trust me on this i spend all day fixin hydramatic 4L80's __________________ 70mm t/b, plenum, cast intake manifold, full magnaflow exhaust, JLT cai, FRPP c springs, anti roll kit, steeda upper control arms, custom tune, subframe connectors, HID headlights, mach 1 chin spoiler

January 17th, 2007, 05:40 PM	#22
Tonytone Newbie Join Date: Jan 2007 Posts: 7 iTrader: 0 reviews	no the light isnt on

January 17th, 2007, 05:51 PM	#23
Juggalo_X I Post Entirely Way Too Much 2001 Mustang 232/CBR600 14+@Slow Join Date: Jan 2007 Location: South Western Ontario Posts: 6,688 iTrader: 0 reviews	take it back to where u got the heads done was this immediately once u picked it up or did it occur after a little bit of driving?

January 17th, 2007, 05:59 PM	#25
Tonytone Newbie Join Date: Jan 2007 Posts: 7 iTrader: 0 reviews	it started happening like 2days prior to the smoke, before i had the head gaskets changed, so i thought changing the gaskets would fix it, the smoke did stop and but it dropped from going to 60mph without shifting to 40mph without shifting from first after the change of the gaskets

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