If it's like a 1991 Ford Explorer ( with the 4.0 liter V6 engine )
It has ( 1 ) oxygen sensor
The knob you pull is right under the steering wheel on the dash!
Looking at the 1991 Ford Ranger - 4.0 L V6 - engine wiring schematic in my Chilton repair manual , it shows ( ONE ) heated exhaust gas oxygen sensor
Yes , a 1991 Ford Ranger has engines that are fuel injected
Location fuse box on 1991 ford ranger
No
Look for a loose or worn belt.
The speakers in the doors of a 1991 Ford Ranger are 6-inch speakers.
That Vehicle has 2 oxygen sensors.
I need to know how to install a headlight swith in a 1991 ford ranger xlt
1991 Ford Ranger SLT; 4.0 V6; 5500lbs towing capacity.
No, the 2003 manual transmission will not fit a 1991 Ranger.
The weight of a Ford Ranger will vary depending on the model and year of the truck. A 2011 Ford Ranger has a curb weight of 4,300.