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.
| Temperature | Ohms |
|---|---|
| 68°F (20°C) | 25-35 |
| 176°F (80°C) | 64-76 |
| Temperature | Ohms |
|---|---|
| -4°F (-20°C) | 14,600-17,800 |
| 68°F (20°C) | 2200-2700 |
| 104°F (40°C) | 1000-1300 |
| 140°F (60°C) | 500-650 |
| 176°F (80°C) | 290-350 |
| Terminals (1) | Ohms With No Vacuum Applied | Ohms @ 5.9 In. Hg | ||
|---|---|---|---|---|
| "A" & "B" | 2700 | 2700 | ||
| "A" & "C" | 500 | 2700 | ||
| "B" & "C" | 2400 | 100 | ||
|
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| Application | Ohms | |
|---|---|---|
| 929 | ||
| 77°F (25°C) | 29,700-36,300 | |
| 185°F (85°C) | 3300-3700 | |
| Operating Condition | Volts |
|---|---|
| Rapidly Accelerating | 0.5-1.0 |
| Deceleration | 0.0-0.4 |
| Condition (1) | Continuity Between Terminals "C" & "D" | ||
|---|---|---|---|
| .004" (.10 mm) | Yes | ||
| .012" (.30 mm) | No | ||
|
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| Wire Color To Ground | Closed Throttle Volts | WOT Volts | ||
|---|---|---|---|---|
| Blue (2F) (1) | 0.1-1.1 | 2.8-4.5 | ||
|
||||
| Application | Ohms | |||
|---|---|---|---|---|
| Between Terminals "A" & "D" (1) | 3000-6000 | |||
| Between Terminals "B" & "D" (1) | ||||
| Closed Throttle | 200-600 | |||
| Wide Open Throttle | 3300-7000 | |||
|
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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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