You might see if the throttle cable is loose, as they get stretched out rather severely over time. You can check by looking at your gas pedal, and lifting it up, if it can be lifted more than a quarter inch, then the cable is likely stretched out. The fix for this is simple and cheap, if it is a little inconvenient due to having to contort yourself with the driver's seat in the way. To fix the problem, you need to get 3-4 zip ties and look under the dash at the top of the gas pedal assembly, where the throttle cable comes through the top of the pedal, and then through a spring, you'll probably find that the cable is sticking out past the spring pretty considerably, what you want to do is hold the pedal up with something, and use zip ties to act as an extension of the spring. You don't want to push against the spring, and make the cable too tight or you might end up with a truck that would always have a partially open throttle. Once you've applied the zip ties, remove the block from under the pedal, and go for a drive.
A 1994 Ford Ranger 2.3 liter is a ( 4 cylinder engine )
Any four liter engine should work in your 1994 Ford Ranger cup truck. The Ford four liter engine may need the motor mounts to be changed.
5W-30
automatic or manual transmission ?
On the drivers side of the engine near the exhaust manifold.
I'm not a mechanic / technician but the engine wiring schematic in my Chilton repair manual for the 2.3 in a 1994 Ford Ranger does not show a knock sensor
4x4 dash lights not working 94 ranger
Look on the lower rear end of engine - follow + battery cable on the passenger side underneath the engine.
is a 95 automatic 4cyl ford ranger transmission compatible with a 94 ranger 4cyl?
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I'm not a mechanic / technician but the engine wiring schematic for the 3.0 liter V6 engine in a 1994 Ford Ranger that is in my Chilton's repair manual does not show a knock sensor
On a 1994 Ford Ranger , 3.0 and 4.0 liter V6 engine : firewall 3 - 6 2 - 5 1 - 4 front of vehicle