Engine Controls - Sensor Operating Range Charts 3.0L: 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 will cause driveability problems.
EGR TEMPERATURE (EGRT) SENSOR RESISTANCE
| Coolant Temperature °F (°C) |
M/ohms |
| 68-120 (20-49) |
2.25-2.55 |
| 130-148 (55-65) |
1.75-2.25 |
| 150-165 (66-74) |
1.40-1.75 |
| 168-190 (76-88) |
1.00-1.40 |
ENGINE COOLANT TEMPERATURE SENSOR
| Temperature °F (°C) |
Output Voltage |
Ohms |
| 68 (20) |
3.5 |
2500 |
| 122 (50) |
2.2 |
800 |
| 194 (90) |
0.9 |
200 |
INTAKE AIR TEMPERATURE SENSOR
| Temperature °F (°C) |
Output Voltage |
Ohms |
| 68 (20) |
3.5 |
2500 |
| 122 (50) |
2.2 |
800 |
| 194 (90) |
0.9 |
200 |
MASS AIRFLOW SENSOR
| Engine RPM |
PID Value |
| 800 |
4-6 |
| 1500 |
8-9 |
| 2000 |
11-12 |
| 2500 |
15-16 |
| 3000 |
18-19 |
PULSE SIGNAL GENERATOR SENSOR
| Vehicle Speed (MPH) |
Volts (AC) |
| 10 |
0.59 |
| 15 |
0.76 |
| 20 |
0.97 |
| 25 |
1.13 |
| 30 |
1.28 |
TRANSMISSION FLUID TEMPERATURE SENSOR RESISTANCE
| Coolant Temperature °F (°C) |
Ohms |
| 68 (20) |
1125 |
| 176 (80) |
300 |
THROTTLE POSITION SENSOR
| Throttle Position |
Volts |
| Closed |
.4 |
| 1/4 |
1.3 |
| Half Open |
2.2 |
| 3/4 |
3.1 |
| Fully Open |
4.1 |