Engine Controls - Sensor Operating Range Charts: Introduction: Notes
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.
NOTE:
Unless stated otherwise in test procedure, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance. For connector and terminal identification, see WIRING DIAGRAMS
article in this section. AIRFLOW METER HERTZ TEST
| Condition |
Hz |
| Colt, Colt 200, Mirage & Summit |
| 1.8L |
| 700 RPM |
23-49 |
| 2000 RPM |
51-91 |
| Diamante |
| 700 RPM |
21-47 |
| 2000 RPM |
51-97 |
| Eclipse |
| 1.8L |
| 700 RPM |
25-40 |
| 2000 RPM |
67-88 |
| 2.0L |
| 750 RPM |
25-50 |
| 2000 RPM |
| Non-Turbo |
70-90 |
| Turbo |
60-85 |
| Colt Vista, Expo & Summit Wagon |
| 1.8L |
| 750 RPM |
23-49 |
| 2000 RPM |
51-91 |
| 2.4L |
| 750 RPM |
18-44 |
| 2000 RPM |
43-83 |
| Galant |
| SOHC |
| 750 RPM |
18-44 |
| 2000 RPM |
64-104 |
| Montero |
| 700 RPM |
22-48 |
| 2000 RPM |
60-100 |
| Pickup & Ram-50 |
| 2.4L |
| 750 RPM |
40-60 |
| 2000 RPM |
85-105 |
| 3.0L |
| 700 RPM |
25-45 |
| 2000 RPM |
70-90 |
| Precis |
| 750 RPM |
27-33 |
| 2000 RPM |
60-80 |
| Stealth & 3000GT |
| 700 RPM |
25-50 |
| 2000 RPM |
70-100 |
COOLANT TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| Eclipse |
| 68 (20) |
2200-2600 |
| 176 (80) |
264-328 |
| Pickup 2.4L & Ram-50 2.4L |
| 32 (0) |
5900 |
| 68 (20) |
2500 |
| 104 (40) |
1100 |
| 176 (80) |
300 |
| All Others |
| 32 (0) |
5800 |
| 68 (20) |
2400 |
| 104 (40) |
1100 |
| 176 (80) |
300 |
EGR TEMPERATURE SENSOR RESISTANCE TEST
| Temperature °F (°C) |
Ohms |
| 122 (50) |
60-83 |
| 212 (100) |
11-14 |
INTAKE AIR TEMPERATURE SENSOR RESISTANCE
| Temperature °F (°C) |
Ohms |
| Precis |
| 32 (0) |
5400-6600 |
| 68 (20) |
2300-2970 |
| 176 (80) |
310-430 |
| All Others |
| 32 (0) |
6000 |
| 68 (20) |
2700 |
| 176 (80) |
400 |
OXYGEN SENSOR VOLTAGE TEST
| Application |
Volts |
| All Models |
| Lean |
0.1 |
| Rich |
1.0 |