INTRODUCTION
Note. For sensor information on Villager, see SENSOR OPERATING RANGE CHARTS - VILLAGER. For sensor information on 7.3L diesel, see SELF-DIAGNOSTICS - DIESEL article.
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.
Note. Unless specified otherwise, perform all voltage tests using a Digital Volt-Ohmmeter (DVOM) with minimum 10-megohm input impedance.
| In. Hg | Volts | Frequency (Hz) |
|---|
| 17.1 | 2.45 | 122.4 |
| 18.3 | 2.65 | 125.5 |
| 19.5 | 2.85 | 128.7 |
| 20.7 | 3.05 | 131.9 |
| 21.8 | 3.25 | 135.1 |
| 23.0 | 3.45 | 138.3 |
| 24.2 | 3.65 | 141.8 |
| 25.4 | 3.85 | 145.4 |
| 26.6 | 4.05 | 148.9 |
| 27.7 | 4.25 | 152.5 |
| 28.9 | 4.45 | 156.1 |
| 30.1 | 4.65 | 159.6 |
| 31.0 | 4.80 | 162.4 |
| (1) Using scan tool, select BARO PID from PID/DATA monitor menu. Using a vacuum pump, apply vacuum to BARO vent. Compare PID readings with table specifications. For additional testing, see TEST DQ under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (1) | Using scan tool, select BARO PID from PID/DATA monitor menu. Using a vacuum pump, apply vacuum to BARO vent. Compare PID readings with table specifications. For additional testing, see TEST DQ under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
BARO SENSOR SPECIFICATIONS (1)
| Temperature °F (°C) | (2) Ohms |
|---|
| 32 (0) | 96,255 |
| 68 (20) | 37,387 |
| 104 (40) | 16,043 |
| 158 (70) | 5268 |
| 185 (85) | 3215 |
| 194 (90) | 2750 |
| 212 (100) | 2034 |
| 248 (120) | 1155 |
| 284 (140) | 689 |
| 302 (150) | 542 |
| 320 (160) | 430 |
| 338 | 345 |
| 356 | 279 |
| 374 | 228 |
| 392 | 188 |
| 410 | 155 |
| 428 | 130 |
| 446 | 109 |
| 464 | 92 |
| 482 | 78 |
| 500 | 67 |
| (1) Value may vary by 15 percent. For additional testing, see TEST DL under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. (2) Measure resistance between CHT sensor terminals. |
| (1) | Value may vary by 15 percent. For additional testing, see TEST DL under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (2) | Measure resistance between CHT sensor terminals. |
CYLINDER HEAD TEMPERATURE SENSOR SPECIFICATIONS (1)
| Temperature °F (°C) | (2) Volts | (3) Ohms |
|---|
| 50 (10) | 3.51 | 58,750 |
| 68 (20) | 3.07 | 37,300 |
| 86 (30) | 2.60 | 24,270 |
| 104 (40) | 2.13 | 16,150 |
| 122 (50) | 1.70 | 10,970 |
| 140 (60) | 1.33 | 7600 |
| 158 (70) | 1.02 | 5370 |
| 176 (80) | 0.78 | 3840 |
| 194 (90) | 0.60 | 2800 |
| 212 (100) | 0.46 | 2070 |
| 230 (110) | 0.35 | 1550 |
| (1) Values may differ by as much as 15 percent. For additional testing, see TEST DA under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. (2) Measure by backprobing signal circuit to ground. (3) Measure resistance between sensor terminals. |
| (1) | Values may differ by as much as 15 percent. For additional testing, see TEST DA under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (2) | Measure by backprobing signal circuit to ground. |
| (3) | Measure resistance between sensor terminals. |
ENGINE COOLANT TEMPERATURE SENSOR & INTAKE AIR TEMPERATURE SENSOR SPECIFICATIONS (1)
| Temperature °F (°C) | (2) Volts | (3) Ohms |
|---|
| 50 (10) | 3.51 | 58,750 |
| 68 (20) | 3.07 | 27,300 |
| 86 (30) | 2.60 | 24,270 |
| 104 (40) | 2.13 | 16,150 |
| 122 (50) | 1.70 | 10,970 |
| 140 (60) | 1.33 | 7700 |
| 158 (70) | 1.02 | 5370 |
| 176 (80) | 0.78 | 3840 |
| 194 (90) | 0.60 | 2800 |
| 212 (100) | 0.46 | 2070 |
| 248 (120) | 0.27 | 1180 |
| (1) Values may differ by as much as 15 percent. For additional testing, see TEST DB under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. (2) Measure by backprobing signal circuit to ground. (3) Measure resistance between sensor terminals. |
| (1) | Values may differ by as much as 15 percent. For additional testing, see TEST DB under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (2) | Measure by backprobing signal circuit to ground. |
| (3) | Measure resistance between sensor terminals. |
ENGINE FUEL TEMPERATURE SENSOR SPECIFICATIONS (1)
| Psi (kPa) | (1) Volts |
|---|
| 0 (0) | 0.5 |
| 10 (69) | 1.1 |
| 20 (138) | 1.6 |
| 30 (207) | 2.2 |
| 40 (275) | 2.8 |
| 50 (344) | 3.4 |
| 60 (413) | 3.9 |
| 70 (482) | 4.5 |
| (1) For additional testing, see TEST DD under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (1) | For additional testing, see TEST DD under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
FUEL RAIL PRESSURE SENSOR SPECIFICATIONS
| Throttle Angle | (1) Volts |
|---|
| 0° | .65 |
| 10° | .97 |
| 20° | 1.44 |
| 30° | 1.90 |
| 40° | 2.37 |
| 50° | 2.84 |
| 60° | 3.31 |
| 70° | 3.78 |
| 80° | 3.90 |
| (1) Values may vary by 15 percent. For additional testing, see TEST DH under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
| (1) | Values may vary by 15 percent. For additional testing, see TEST DH under SYSTEM TESTS in SELF-DIAGNOSTICS - EEC-V article. |
THROTTLE POSITION SENSOR SPECIFICATIONS
