A 1991 Ford Escort will not shift into overdrive if the overdrive switch has been turned off or the transmission is failing. A mechanic or local dealership can diagnose and repair both issues.
what would transmission not to shift in to overdrive
is it an automatic, or manual shift?
it controls the overdrive function and shift timing relative to speed
How do you enable anti theft alarm on 1991 ford escort lx
"How to set timing on 1991 ford escort lx 1.9?"
On a 1998 Ford Taurus ; On the column shift the overdrive button is on the end of the gear shift lever On the console shift the overdrive button is on the drivers side of the gear selector lever below the button you have to press to shift out of PARK
Plain and simple the overdrive switch is pmost definitely bad take to a professional if you don't know what your doing,go to a shop that specializes in electrical work NOT THE DEALER,they will tell you your overdrive is burned out.
The shift solenoid is under the console in the shift assembly.
Inside transmission
The automatic transmission for a 1993 Ford Escort is a 4-speed automatic with overdrive. It also has a 1.9 liter engine and an 88 horsepower.
13,I think- I drive an escort
see answer for 1993 escort