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 diagnostic trouble code, but it may cause driveability problems.
| Operating Condition | (1) PID Voltage | ||
|---|---|---|---|
| Ignition On | 0.5 | ||
| Hot Idle | 0.5 | ||
| Driving 30 MPH | 0.5-0.9 | ||
| Driving 55 MPH | 1.0-1.7 | ||
|
|||
| Temperature | (1) PID Voltage | Ohms | ||
|---|---|---|---|---|
| 50°F (10°C) | 3.52 | 58,750 | ||
| 68°F (20°C) | 3.06 | 37,300 | ||
| 86°F (30°C) | 2.62 | 24,270 | ||
| 104°F (40°C) | 2.16 | 16,150 | ||
| 122°F (50°C) | 1.70 | 10,970 | ||
| 140°F (60°C) | 1.35 | 7600 | ||
| 158°F (70°C) | 1.04 | 5370 | ||
| 176°F (80°C) | 0.80 | 3840 | ||
| 194°F (90°C) | 0.61 | 2800 | ||
| 212°F (100°C) | 0.47 | 2070 | ||
| 230°F (110°C) | 0.36 | 1550 | ||
| 248°F (120°C) | 0.28 | 1180 | ||
|
||||
| Operating Condition | Volts |
|---|---|
| Acceleration | 0.5-1.0 |
| Deceleration | 0.0-0.5 |
| Temperature | (1) PID Voltage | Ohms | ||
|---|---|---|---|---|
| 50°F (10°C) | 3.52 | 58,750 | ||
| 68°F (20°C) | 3.06 | 37,300 | ||
| 86°F (30°C) | 2.62 | 24,270 | ||
| 104°F (40°C) | 2.16 | 16,150 | ||
| 122°F (50°C) | 1.70 | 10,970 | ||
| 140°F (60°C) | 1.35 | 7600 | ||
| 158°F (70°C) | 1.04 | 5370 | ||
| 176°F (80°C) | 0.80 | 3840 | ||
| 194°F (90°C) | 0.61 | 2800 | ||
| 212°F (100°C) | 0.47 | 2070 | ||
| 230°F (110°C) | 0.36 | 1550 | ||
| 248°F (120°C) | 0.28 | 1180 | ||
|
||||
| Operating Condition | (1) PID Voltage | ||
|---|---|---|---|
| Ignition On | 0 | ||
| Hot Idle | 0.8 | ||
| Driving 30 MPH | 0.8-2.0 | ||
| Driving 55 MPH | 1.5-2.5 | ||
|
|||
| Throttle Valve Position (Degrees) (1) | (2) PID Voltage | ||||
|---|---|---|---|---|---|
| 0 | 0.50 | ||||
| 10 | 0.97 | ||||
| 20 | 1.44 | ||||
| 30 | 1.90 | ||||
| 40 | 2.37 | ||||
| 50 | 2.84 | ||||
| 60 | 3.31 | ||||
| 70 | 3.78 | ||||
| 80 | 4.24 | ||||
|
|||||
| Terminals | Ohms |
|---|---|
| "A" & "B" | 190-250 |
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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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