i have a 93 f150 xlt 4.9 with the engine off the clutch pedal is fine but when the engine is running i press the clutch and it only comes up half way, i can pull the pedal up with my foot though and its fine when i press it again, is this the clutch master cylinder?

 

Could be clutch master cylinder or slave cylinder?

 

Master boss. Check your fluid level

 

For the past week my pedal has been to the floor.

 

Can you engage into gear? Or do u have to pump it

 

1st and 2nd shift fork worn excessively and 4th gear synchros are worn, so 3rd 5th and reverse. I can shift from 3rd-5th-3rd easily but have to turn truck off shift to reverse back up turn truck off shift to 3rd then start truck up and go.

 

But your pedal is stuck to the floor?

 

Yeah

 

Do you have fluid in your clutch reservoir ?

 

Yes