Transmission problems

Transmission: It is the place where the different "gears" of the cars are located.
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Car will not start

Ford Mustang 2003 GT/4.6l 12576 miles
I was driving and all day and i cut vehicle off and when i went to start the vehicle it act like it was going to start it was like a quick vrrgh then went quiet my car is a stick manual transmission so i pop the clutch and the car started. So i figured it was the starter so i went out and purchased a new starter and put it on, and when i went to go start it same thing nothing and yes i put the starter on correctly. I check all fuses and there all good now i can't tell if relay is good or bad because the relay is all black. When I put the key in and turn the key all the lights on the dash come and everything but at that last turn i get nothing ,so I'm asking what could it be.
Mustang Enthusiast from United States 4 years ago  
MU
13 reports 
BOOG MYK from United States 4 years ago
Ignition switch,neutral safety switch on trans or easiest is to check all the grounds.
Bunky from United States 3 years ago
It is the clutch switch, when u push it in, does not fully put down the safety switch, I taped two pennies on the back of mine with black tape and it has never had that issue again
1FSTSHELBY from United States 3 years ago
Or you could reset the switch all the way back out and works perfectly again.
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Turn the key and it won't turn over ( changed battery )

Ford Mustang 2006 4.0 186000 miles
I pulled the old battery off for about 5 day's. Replaced with a newer one, and my issue is it won't turn over ,When I turn the key on all the lights on dash is on including theft light I checked connections and tested relays and checked every fuse. Still won't crank. In leaning towards anti-theft or safety switch in the shifter. Any in put would be a great help. It's a 2006 v6 mustang.
Popeye337 from United States a year ago  
PO
5 reports 
Moparman from United States a year ago
I have a 2014 3.7 v6

Same issue with 6000plus I changed starter relays and fuses. Associated. Im trying the diode to pump fuse needed to order one from ford parts counter. 4 bucks for the fuse if this dont work idk. It seems like this issue isnt easy or straight forward thing. Ford said it could be, 1. Pcm 2. Wiring 3. Bad battery 4. Starter relay 5. Blown fuses 6. Starter motor 7. Transmission 8. ABS module. That's a lot of could be problems. They were so excited when I asked the cost of all those items if they were to do them with labor its ridiculous. I spent money on issues they said and im already close to a grand.
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Shifting into drive

Ford Mustang 2002 Ford 15000 miles
Won't shift out of park and brake lights don't work
Claud from United States 9 months ago  
CL
2 reports 
Buzzy from United States 7 months ago
Shift silonid. You'll have to change the whole shifter, u can get the whole shifter at U pull it... for under 50$.
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Hard shifting over 3000 rpm

Ford Mustang 2003 3.8L automatic 292000 miles
I got this car semi recently as it was in decent condition and $500, when I have to give it more throttle to pull out into traffic and the vehicle gets more than 3000 rpm and it shifts the car squeals and one large shake as it's shifting, I took it to a shop and they told me it was the transmission mount as the rubber had deteriorated but even after replacement it doesn't do it as bad but it's still there. Is it time for a new transmission?
Matt from United States 2 years ago  
MA
1 report 
Release_mario from United States 2 years ago
Same problem going over 3k rpm when driving, from a stop and accelerating over 3000 rpm car wouldn't shake... blown the head gasket, cylinder 3 and all the engine, had to get a new engine and still make it...
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Brake system problems

Ford Mustang 2023 Mustang 2.3l Ecoboost  61000 miles
Brakes will do fine for a few days and then release after stops consistently slower until they simply don't let go. Tow it home or to the shop and let it sit for a few days and fine again. There have been two separate occasions where the collision prevention system randomly activated and it stored codes. It said hill assist unavailable and abs fault. Took it to the dealership and they charged me $250 something to put it on the diagnostic machine and tell me it's the rear speed sensors and the purge valve for the evap canister. Fixed all 4 speed sensors for good measure and the purge valve. Sti… Read complete
Erin from United States 3 months ago  
ER
1 report 

Speedometer not working after car died on interstate put in an old bat

Ford Mustang 1997 GT/4.6/ 135000 miles
Car died on your interstate do turn old battery put new battery in car started and now speedometer don't work
Jburnett from United States 5 months ago  
JB

P0708 code transmission position sensor

Ford Mustang 2004 Base Convertible v6 3.9 automatic  151000 miles
Can't fine the issue with this code. Replace transmission position sensor but still have O/D off flashing. Check engine light on and car in limp mode. Any help would be appreciated
Jester646 from United States 6 months ago  
JE

Ignition cylynder issues

Ford Mustang 1996 gt 4.6 389999 miles
So i changed out my ignition cylynder when i noticed the key was getting stuck. Now after taking out the old one i am having trouble putting in the new one as well as the gear and retainer. The car has no power despite it having a brand new battery. The only thing that even makes a sound is the door chime! lol please help i just want to drive my beautiful car again...
jaycee from United States 6 months ago  
JA
1 report 

Gearbox or hanness

Ford Mustang 2005  85000 miles
I parked the car for a year but now its not changing gears and it turned on the OD drive lite on the dash
Curtis from other 7 months ago  
CU

2010 Ford mustang 4.0l

Ford Mustang 2010 Ford mustang 4.0l 140000 miles
Getting up to speed the car will shift to 2nd and then keeping the acceleration up, it wont shift to 3rd unless I let off the accelerator, then it will go into 3rd, and then it flashes the engine light and will run like shit for a little bit, until the light goes off and will be back to normal, until I kick it down again.
Moto from United States 9 months ago  
MO
1 report 

It has a short in it and it is making bank 2 sensor 2

Ford Mustang 2006 4.0 96450 miles
I have replaced O2 sensors 3 times this last I got some good ones what is funny in my code reader it shows green for smog ready but show there is a problem with that sensor I have traced every wire in it how I know there is a short I disconnect the negative cable and put a test light on it the. I out the light on the post and it lights up not to bright so I kinda stuck although I can't get to too if the transmission to check for broken wires plus have a new pcm gie it need to find someone that know what they are doing she run great I. An not get rid of the check engine light and in the live data b2s2 reads 0000rhe other ones read 99.90 when at temperature
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Harveyj65 from United States 10 months ago  
HA

When I let the car sit idling for awhile

Ford Mustang 2000 3.8l 200000 miles
It seems when I let the car sit idling for a little bit when it’s up to operating temp it seems like it smoked but it’s not smoking it seems to have a odd smell it it as well and I can’t figure out what it is I’ve checked for leaks in anything everywhere and there are none even the ac stays nice and cold whenever it does it tho it smells minty
Elijah from United States a year ago  
EL

Over drive lights is flashing and engine light is on

Ford Mustang 2007 S197 4.0v6  177000 miles
Over drive lights is flashing and engine light is on I’ve replaced the solenoid pack transmission filter fluid and pcm I have no idea what else it could be
SethB from United States a year ago  
SE

10 speed automatic transmission

Ford Mustang 2020 V8 gt convertible  40000 miles
Noking and jerking between gears
Rodsammut from other a year ago  
RO
3 reports 

Running bad

Ford Mustang 1989 Gt convertible 5.0 5 speed 98000 miles
I had this car tuned perfectly when I was living in SD. Could punch it, roll through the gears no problem. But I have since moved to Utah and now it runs terribly. Foot to the floor in 3rd gear will barely do 45. I adjusted the timing for elevation but has no difference. Also after it warms up it will have a high idle and if it shuts off after its warm it wont start until it cools down. Any ideas?
Joemonkeyman99 from United States a year ago  
JO
1 report 

O/d light want stop blinking

Ford Mustang 2006 V6 187000 miles
My o/d light keeps blinking.. it stop for a few after I pulled a fuse relay and when I cut the car off and crunk it back on the o/d light started flashing again
Cd221 from United States 2 years ago  
CD
5 reports 

Intermittent key not found message

Ford Mustang 2019 5.0 automatic push starter 49000 miles
Intermittent key not found message. New batteries in both fobs, message continues. Sometimes will start, get key not found message but cannot shift into drive.
Janet from United States 2 years ago  
JA
1 report 

Transmission fluid life

Ford Mustang 2009 3.8 263543 miles
can't seem to be able to clear code..... from an understanding tampering with transmission life on high mileage can futuristically can cause the trans to not shift properly having shavings from the transmissions gears....
Mictlantecuhtli from United States 2 years ago  
MI
2 reports 
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