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.
Engine Controls - Sensor Operating Range Charts: Introduction
Sensor operating range information can help determine if a sensor is out of calibration. An out-of-calibration sensor may not set a trouble code, but it may cause driveability problems.
| Vacuum In. Hg. | (1) Volts | ||
|---|---|---|---|
| 0 | 3.84 | ||
| 5 | 3.36 | ||
| 10 | 2.66 | ||
| 15 | 1.93 | ||
| 20 | 1.26 | ||
| 25 | .58 | ||
|
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| Temperature °F (°C) | Ohms |
|---|---|
| -4 (-20) | 14,600-17,800 |
| 68 (20) | 2200-2700 |
| 104 (40) | 1000-1300 |
| 140 (60) | 500-650 |
| 176 (80) | 290-350 |
| RPM (1) | Volts | ||
|---|---|---|---|
| 500 | 1.103 | ||
| 1000 | 1.257 | ||
| 1500 | 1.542 | ||
| 2000 | 1.768 | ||
| 2500 | 2.06 | ||
| 3000 | 2.15 | ||
| 3500 | 2.26 | ||
| 4000 | 2.50 | ||
| 4500 | 2.47 | ||
| 5000 | 2.40 | ||
|
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| Throttle Opening | (2) Ohms | ||||
|---|---|---|---|---|---|
| 1/8 | 989 | ||||
| 1/4 | 1104 | ||||
| 3/8 | 1278 | ||||
| 1/2 | 1462 | ||||
| 5/8 | 1480 | ||||
| 3/4 | 1459 | ||||
| 7/8 | 1144 | ||||
| Fully Open | 1072 | ||||
|
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| Door Opening | (1) Volts (Capri) | (1) Volts (Festiva) | ||||
|---|---|---|---|---|---|---|
| Fully Closed | (2) | .5-1.5 | ||||
| 1/8 | 3.24 | .59 | ||||
| 1/4 | 5.60 | 1.19 | ||||
| 3/8 | 5.62 | 1.78 | ||||
| 1/2 | 5.83 | 2.38 | ||||
| 5/8 | 6.02 | 2.97 | ||||
| 3/4 | 6.57 | 3.56 | ||||
| 7/8 | 7.46 | 4.16 | ||||
| Fully Open | 7.87 | 4.5-5.0 | ||||
|
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| Temperature °F (°C) | Ohms | ||
|---|---|---|---|
| -4 (-20) | 15,000 | ||
| 32 (0) | 5200 | ||
| 68 (20) | 2500 | ||
| 104 (40) | 1100 | ||
| 140 (60) | 600 | ||
| 176 (80) | 300 | ||
|
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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:
- • 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.
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