answersLogoWhite

0


Best Answer

Either there is a bad electric switch or the computer is at fault.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Fordf2501990transmission trouble shift on hi rpm only no modulator valve?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is function of modulator valve?

The modulator valve uses hydrological pressure to shift a transmission !


Does the transmission have a modulator valve?

as far as I understand , it does not have a modulator. e4od are electronic. no vacuum shift modulator


Which way do you turn the screw on modulator valve On a 350 turbo trans to make it shift quicker on low vacuum?

the modulator valve does not have a screw, however, the modulator located outside the modulator valve may or may not have one.


Why won't the transmission shift out of first gear?

* modulator valve


How often should one change a modulator valve?

Hey George==A modulator valve is on the trans and tells the trans when to shift. If the trans gets to shifting crazy you might change the modulator. GoodluckJoe


What if your transmission wont shift out of low gear?

could be the modulator valve has went bad !


Where is the vacuum line running to the transmission in a 1994 camaro Z28?

It's for a modulator valve. The later cars all shift by electronics and signals from the ECM. Yours however still uses a modulator valve and vacuum to assist in determining shift points.


What causes a transmission to not shift out on its own in a Ford Explorer - All Models?

modulator valve on the transmission.


How Do you replace the transmission modulator valve on 1998 Chrysler cirrus?

This transmission does not have a modulator valve.This transmission does not have a modulator valve.


Will modulator valve on Chevy 350 trans not let trans shift to 3rd gear?

yes, that can happen.


How do you know if the modulator valve for a 1985 Chrysler fifth ave needs replacing?

It doesn't have a modulator valve.It doesn't have a modulator valve.


How do you fix a transmission that takes to long to shift on a 1991 Mercury Grand Marquis?

Try adjusting the modulator valve