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.DB● LIVE
HOMESERVICE MANUALSFORD1991CAB & CHASSIS 5.8 H, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - BASIC TESTINGTHROTTLE POSITION SENSOR (TPS) ADJUSTMENT
1991 Ford Cab & Chassis 5.8 H, Standard
Throttle Position Sensor (TPS) Adjustment
1991 Ford Cab & Chassis 5.8 H, StandardSECTION Throttle Position Sensor (TPS) Adjustment
NOTE:
Throttle Position Sensor (TPS) on gasoline engines is not adjustable. Replace TPS if sensor is not within specifications.
TPS VOLTAGE SPECIFICATIONS (1)
| Application | Idle | Wide Open Throttle | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 2.3L, 2.9L (2), | |||||||||
| 3.0L & 4.0L | 0.20 | 4.84 | |||||||
| 2.9L (3), 4.9L, | |||||||||
| 5.0L, 5.8L & 7.5L | 0.34 | 4.84 | |||||||
|
|||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.