Having problems with your 1991 Ford Ranger Supercab ?
Ford truck woont shift - 1991 Ford Ranger Supercab
You need to look under the vehicle at the transmission. There is usually a vacuum modulator that has a rubber vacuum line that runs between a metal line and the modulator. These break down over time and leak. This will cause the transmission to not want to shift gears. Can't go far in low gear, right? Hope you check this out and that it helps your problem. Good Luck.
Repair Help & Product Troubleshooting for 1991 Ford Ranger Supercab
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