Temperature Versus Resistance (EGR Temperature Sensors)
| °C | °F | OHMS |
|---|---|---|
| Temperature vs Resistance Values (Approximate) | ||
| 40 | 40 | 180000 |
| 30 | 22 | 120900 |
| 20 | 4 | 83910 |
| 10 | 14 | 59877 |
| 0 | 32 | 43796 |
| 10 | 50 | 32463 |
| 20 | 68 | 24559 |
| 30 | 86 | 18925 |
| 40 | 104 | 14828 |
| 50 | 122 | 11795 |
| 60 | 140 | 9510 |
| 70 | 158 | 7765 |
| 80 | 176 | 6413 |
| 90 | 194 | 5353 |
| 100 | 212 | 4511 |
| 110 | 230 | 3824 |
| 120 | 248 | 3269 |
| 130 | 266 | 2817 |
| 140 | 284 | 2444 |
| 150 | 302 | 2135 |
| 160 | 320 | 1877 |
| 170 | 338 | 1660 |
| 180 | 356 | 1476 |
| 190 | 374 | 1319 |
| 200 | 392 | 1184 |
| 210 | 410 | 1068 |
| 220 | 428 | 967 |
| 230 | 446 | 879 |
| 240 | 464 | 802 |
| 250 | 482 | 735 |
| 260 | 500 | 675 |
| 270 | 518 | 622 |
| 280 | 536 | 575 |
| 290 | 554 | 533 |
| 300 | 572 | 496 |
| 310 | 590 | 460 |
| 320 | 608 | 429 |
| 330 | 626 | 400 |
| 340 | 644 | 374 |
| 350 | 662 | 351 |
| 360 | 680 | 329 |
| 370 | 698 | 310 |
| 380 | 716 | 292 |
| 390 | 734 | 276 |
| 400 | 752 | 261 |
| 410 | 770 | 248 |
| 420 | 788 | 235 |
| 430 | 806 | 223 |
| 440 | 824 | 213 |
| 450 | 842 | 203 |
| 460 | 860 | 193 |
| 470 | 878 | 185 |
| 480 | 896 | 177 |
| 490 | 914 | 169 |
| 500 | 932 | 162 |
| 510 | 950 | 156 |
| 520 | 968 | 150 |
| 530 | 086 | 144 |
| 540 | 1004 | 139 |
| 550 | 1022 | 134 |
| 560 | 1040 | 129 |
| 570 | 1058 | 125 |
| 580 | 1076 | 120 |
| 590 | 1094 | 116 |
| 600 | 1112 | 113 |
| 610 | 1130 | 109 |
| 620 | 1148 | 106 |
| 630 | 1166 | 102 |
| 640 | 1184 | 99 |
| 650 | 1202 | 96 |
| 660 | 1220 | 93 |
| 670 | 1238 | 91 |
| 680 | 1256 | 88 |
| 690 | 1274 | 86 |
| 700 | 1292 | 84 |
| 710 | 1310 | 81 |
| 720 | 1328 | 79 |
| 730 | 1346 | 77 |
| 740 | 1364 | 75 |
| 750 | 1382 | 74 |
| 760 | 1400 | 72 |
| 770 | 1418 | 70 |
| 780 | 1436 | 69 |
| 790 | 1454 | 67 |
| 800 | 1472 | 66 |
| 810 | 1490 | 64 |
| 820 | 1508 | 63 |
| 830 | 1526 | 61 |
| 840 | 1544 | 60 |
| 850 | 1562 | 59 |
| 860 | 1580 | 58 |
| 870 | 1598 | 57 |
| 880 | 1616 | 56 |
| 890 | 1634 | 55 |
| 900 | 1652 | 54 |
EGR Temperature Sensors 1 and 2
Temperature Versus Resistance (EGT Sensors)
| °C | °F | OHMS |
|---|---|---|
| Temperature vs Resistance Values (Approximate) | ||
| 1000 | 1832 | 849 |
| 900 | 1652 | 795 |
| 800 | 1472 | 738 |
| 700 | 1292 | 680 |
| 600 | 1112 | 618 |
| 500 | 932 | 554 |
| 450 | 842 | 521 |
| 400 | 752 | 488 |
| 350 | 662 | 455 |
| 300 | 572 | 420 |
| 250 | 482 | 385 |
| 200 | 392 | 349 |
| 150 | 302 | 313 |
| 100 | 212 | 276 |
| 50 | 122 | 238 |
| 25 | 77 | 220 |
| 0 | 32 | 200 |
| 20 | 4 | 185 |
| 40 | 40 | 170 |
EGT Sensor 1, 2, 3 or 4
Temperature Versus Resistance (IAT Sensor 1)
| °C | °F | OHMS |
|---|---|---|
| Temperature vs Resistance Values (Approximate) | ||
| 100 | 212 | 190 |
| 90 | 194 | 240 |
| 80 | 176 | 320 |
| 70 | 158 | 430 |
| 60 | 140 | 590 |
| 50 | 122 | 810 |
| 45 | 113 | 960 |
| 40 | 104 | 1150 |
| 35 | 95 | 1370 |
| 30 | 86 | 1650 |
| 25 | 77 | 2000 |
| 20 | 68 | 2440 |
| 15 | 59 | 2980 |
| 10 | 50 | 3660 |
| 5 | 41 | 4540 |
| 0 | 32 | 5650 |
| 5 | 23 | 7090 |
| 10 | 14 | 8970 |
| 15 | 5 | 11400 |
| 20 | 4 | 14700 |
| 30 | 22 | 24700 |
| 40 | 40 | 43300 |
Temperature Versus Resistance (IAT Sensor 1)
Temperature Versus Resistance (Fuel Temperature Sensor)
| °C | °F | OHMS |
|---|---|---|
| 150 | 302 | 61 |
| 140 | 284 | 75 |
| 130 | 266 | 92 |
| 120 | 248 | 111 |
| 110 | 230 | 142 |
| 100 | 212 | 184 |
| 90 | 194 | 240 |
| 80 | 176 | 318 |
| 70 | 158 | 428 |
| 60 | 140 | 584 |
| 50 | 122 | 811 |
| 45 | 113 | 961 |
| 40 | 104 | 1, 150 |
| 35 | 95 | 1, 377 |
| 30 | 86 | 1, 660 |
| 25 | 77 | 1, 999 |
| 20 | 68 | 2, 450 |
| 15 | 59 | 3, 000 |
| 10 | 50 | 3, 700 |
| 5 | 41 | 4, 587 |
| 0 | 32 | 5, 740 |
| 5 | 23 | 7, 203 |
| 10 | 14 | 9, 160 |
| 15 | 5 | 11, 598 |
| 20 | 4 | 15, 000 |
| 30 | 22 | 25, 414 |
| 40 | 40 | 45, 770 |
Temperature Versus Resistance (Fuel Temperature Sensor)
Temperature Versus Resistance (ECT Sensors)
| °C | °F | OHMS |
|---|---|---|
| Temperature vs Resistance Values (Approximate) | ||
| 150 | 302 | 47 |
| 140 | 284 | 60 |
| 130 | 266 | 77 |
| 120 | 248 | 100 |
| 110 | 230 | 132 |
| 100 | 212 | 177 |
| 90 | 194 | 241 |
| 80 | 176 | 332 |
| 70 | 158 | 467 |
| 60 | 140 | 667 |
| 50 | 122 | 973 |
| 45 | 113 | 1188 |
| 40 | 104 | 1459 |
| 35 | 95 | 1802 |
| 30 | 86 | 2238 |
| 25 | 77 | 2796 |
| 20 | 68 | 3520 |
| 15 | 59 | 4450 |
| 10 | 50 | 5670 |
| 5 | 41 | 7280 |
| 0 | 32 | 9420 |
| 5 | 23 | 12300 |
| 10 | 14 | 16180 |
| 15 | 5 | 21450 |
| 20 | 4 | 28680 |
| 30 | 22 | 52700 |
| 40 | 40 | 100700 |
Temperature Versus Resistance (ECT Sensors)
Temperature Versus Resistance (IAT Sensor 2)
| °C | °F | OHMS |
|---|---|---|
| Temperature vs Resistance Values (Approximate) | ||
| 150 | 302 | 16 |
| 140 | 284 | 198 |
| 130 | 266 | 247 |
| 120 | 248 | 310 |
| 110 | 230 | 395 |
| 100 | 212 | 508 |
| 90 | 194 | 662 |
| 80 | 176 | 875 |
| 70 | 158 | 1171 |
| 60 | 140 | 1593 |
| 50 | 122 | 2203 |
| 45 | 113 | 2608 |
| 40 | 104 | 3100 |
| 35 | 95 | 3705 |
| 30 | 86 | 4448 |
| 25 | 77 | 5370 |
| 20 | 68 | 6517 |
| 15 | 59 | 7954 |
| 10 | 50 | 9765 |
| 5 | 41 | 12060 |
| 0 | 32 | 15000 |
| 5 | 23 | 18800 |
| 10 | 14 | 23670 |
| 15 | 5 | 30100 |
| 20 | 4 | 38480 |
| 30 | 22 | 64630 |
| 40 | 40 | 112500 |
Temperature Versus Resistance (IAT Sensor 2)
Altitude Versus Barometric Pressure
| Altitude Measured in Meters (m) | Altitude Measured in Feet (ft) | Barometric Pressure Measured in Kilopascals (kPa) | Barometric Pressure Measured in Pounds Per Square Inch (psi) |
|---|---|---|---|
| Determine your altitude by contacting a local weather station or by using another reference source. | |||
| 4 267 | 14, 000 | 56-64 | 8.1-9.3 |
| 3 962 | 13, 000 | 58-66 | 8.4-9.6 |
| 3 658 | 12, 000 | 61-69 | 8.8-10.0 |
| 3 353 | 11, 000 | 64-72 | 9.3-10.4 |
| 3 048 | 10, 000 | 66-74 | 9.6-10.7 |
| 2 743 | 9, 000 | 69-77 | 10.0-11.2 |
| 2 438 | 8, 000 | 71-79 | 10.3-11.5 |
| 2 134 | 7, 000 | 74-82 | 10.7-11.9 |
| 1 829 | 6, 000 | 77-85 | 11.2-12.3 |
| 1 524 | 5, 000 | 80-88 | 11.6-12.8 |
| 1 219 | 4, 000 | 83-91 | 12.0-13.2 |
| 914 | 3, 000 | 87-95 | 12.6-13.8 |
| 610 | 2, 000 | 90-98 | 13.1-14.2 |
| 305 | 1, 000 | 94-102 | 13.6-14.8 |
| 0 | 0 Sea Level | 96-104 | 13.9-15.1 |
| 305 | 1, 000 | 101-105 | 14.6-15.2 |
Altitude Versus Barometric Pressure
What Fuel to Use in the United States
| CAUTION | Use of diesel fuel other than Ultra Low Sulfur Diesel (15 ppm sulfur maximum) or engine oil other than low ash CJ-4 oil will cause permanent damage to the DPF and related components. |
In the United States, for best results use Number 2-D diesel fuel year-round, above and below freezing conditions, as oil companies blend Number 2-D fuel to address climate differences. Number 1-D diesel fuel may be used in very cold temperatures when the temperature stays below -18°C (0°F). However, the fuel will produce a power and fuel economy loss. The use of Number 1-D diesel fuel in warm or hot climates may result in stalling, poor starting when the engine is hot and may damage the fuel injection system.
It is acceptable to use diesel fuel containing up to 20 percent biodiesel (B20), but the final blended fuel must meet the same specification, ASTM D 975 (Grades No. 2-D or No. 1-D S15 commonly known as Ultra Low Sulfur diesel), as the other fuels used in your vehicle, and the biodiesel used for making this fuel must meet the latest version of ASTM specification D 6751. Biodiesel is produced from vegetable oils or animal fat that have been chemically modified to reduce the possibility of damage to the fuel system and engine. Higher concentration (i.e. greater than B20) biodiesel-containing fuels or the use of unmodified bio-oils blended into diesel fuel at any concentration is not recommended and could damage the fuel system and engine. Such damage could not be covered by your warranty. If there are questions about the biodiesel-containing fuels you are using, contact your fuel supplier.
Because of the cleansing properties of biodiesel, switching from straight diesel to a biodiesel blend can prematurely restrict the fuel filter with normal deposits in the fuel system. A fuel filter replacement might be required sooner than the recommended interval.
Diesel fuel may foam when filling the tank. This can cause the automatic pump nozzle to shut OFF, even though the tank is not full. If this happens, just wait for the foaming to stop and then continue to fill the tank.
What Fuel to Use in Canada
Canadian fuels are blended for seasonal changes. Diesel Type A fuel is blended for better cold weather starting, when it stays below -18°C (0°F). However, the fuel will produce a power and fuel economy loss. The use of Type A diesel fuel in warmer climates may result in stalling, poor starting. Diesel Type B fuel is blended for temperatures above -18°C (0°F). The emission control system requires the use of diesel fuel with ultra low sulfur, 15 ppm, content. Both low and higher sulfur fuels will be available in Canada. Only ultra low sulfur diesel fuels are available in the United States. Diesel-powered trucks must be refueled with ultra low sulfur fuel only. Use of fuels with higher-sulfur content will affect the function of the emission components and may cause reduced performance, excessive smoke and unpleasant odor.
It is acceptable to use diesel fuel containing up to 20 percent biodiesel (B20), but the final blended fuel must meet the same specification, CAN/CGSB-3.517 (ULS) in Canada, as other fuels used in your vehicle, and the biodiesel used for making this fuel must meet the latest version of ASTM specification D 6751. Biodiesel is produced from vegetable oils or animal fat that have been chemically modified to reduce the possibility of damage to the fuel system and engine. Higher concentration (i.e. greater than B20) biodiesel-containing fuels or the use of unmodified bio-oils blended into diesel fuel at any concentration is not recommended and could damage the fuel system and engine. Such damage would not be covered by your warranty. If there are questions about the biodiesel-containing fuels you are using, contact your fuel supplier.
Fuel Injector Return Flow and Fuel Pressures
The fuel injector return line pressure regulator maintains the fuel injector return line pressure at 4-11 bar (58-158 psi) while the engine is running. The engine control module (ECM) monitors injector timing, crankshaft rotational speed, and fuel pressure to determine injector performance. If the ECM detects a fault with an injector a DTC with set.
| API Rating | Maximum Single Fuel Injector Return Flow |
|---|---|
| 30-34 | 10 ml |
| 35-39 | 10 ml |
| 40-44 | 10 ml |
Fuel Injector Return Flow Values
Water in Fuel
Sometimes, water can be pumped into the fuel tank along with diesel fuel. This can happen if the service station does not regularly inspect and clean their fuel tanks, or the fuel gets contaminated for the service stations suppliers.
If water is pumped into the fuel tank, a water in fuel light will illuminate. If the water in fuel light illuminates, the excess water must be drained from the fuel system on the vehicle.