Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSFORD1991RANGER 2WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSCOMPUTERS AND CONTROL SYSTEMSTHROTTLE POSITION SENSOR
1991 Ford Ranger 2WD L4-140 2.3L SOHC
Throttle Position Sensor
1991 Ford Ranger 2WD L4-140 2.3L SOHCSECTION Throttle Position Sensor
IDLE SPEED 475-575 rpm
TORQUE VALUES
Accelerator Cable Bracket 13.5-20.5 Nm (10-15 ft lbs.)
Air Bypass Valve to Throttle Body 8-11.5 Nm (6-8.5 ft lbs.)
Air Supply Tube Clamps 1.7-2.6 Nm (15-23 in lbs)
EGR Tube 25-35 Nm (18-28 ft lbs.)
Engine Oil Dipstick 20-30 Nm (15-22.5 ft lbs)
Fuel Filter Bracket Clamp 1.7- 2.8 Nm (1 5-25 in lbs)
Fuel Gauge Unit Installation ring 81-115 Nm (60-85 ft lbs)
Fuel Pressure Regulator to Injector Manifold 3-4.5 Nm (26-40 in lbs)
Fuel Pressure Relief Valve 5.5-9.5 Nm (4.1-7.0 ft lbs)
Fuel Pressure Relief Valve Cap 0.5-0.7 Nm (4-6 in lbs)
Fuel Supply Manifold to Fuel Charging Assembly 20-30 Nm (15-22 ft lbs)
Lower Intake Manifold to Head 20-30 Nm (15-22 ft lbs)
Throttle Body to Upper Intake Manifold 16-20 Nm (12-15 ft lbs)
Throttle Position Sensor to Throttle Body 1.6-1.8 Nm (14-15 in lbs)
Upper Intake Manifold Vacuum Tee 16-24 Nm (12-18 ft lbs)
Upper Int. Manifold to Lower Int. Manifold Bolts 20-30 Nm (15-22.5 ft lbs)
Water Bypass line 1.4-2.2 Nm (12-20 in lbs)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.