# Engine Signals

- [engineturbocharger1speedj1939 - SPN 103](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineturbocharger1speedj1939-spn-103.md): Rate at which the rotor in the turbo charger is rotating
- [engnflinjtncntrlprssrj1939 - SPN 164](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engnflinjtncntrlprssrj1939-spn-164.md): Gauge pressure of the engine oil in the hydraulic accumulator that powers an intensifier used for fuel injection in megaPascals
- [engineexhaustbank1pressure1j1939 - SPN 1209](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineexhaustbank1pressure1j1939-spn-1209.md): Pressure inside the DPF (Diesel Particulate Filter)
- [engineaveragefueleconomyj1939 - SPN 185](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineaveragefueleconomyj1939-spn-185.md): Average fuel economy over a segment of vehicle operation.
- [engineoilpressure1j1939 - SPN 100](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineoilpressure1j1939-spn-100.md): Gauge pressure of the oil in the engine lubrication system
- [enginecoolanttemperaturej1939 - SPN 110](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/enginecoolanttemperaturej1939-spn-110.md): Temperature of the engine coolant
- [enginetotalhoursofoperationj1939 - SPN 247](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/enginetotalhoursofoperationj1939-spn-247.md): Total hours the engine has operated
- [engineptogovernorsetswitchj1939 - SPN 984](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineptogovernorsetswitchj1939-spn-984.md): Indicator for how the PTO governor is set
- [engnfl1injtrtmngrl1prssrj1939 - SPN 156](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engnfl1injtrtmngrl1prssrj1939-spn-156.md): The gauge pressure, in MPa, of fuel in the timing rail delivered from the supply pump to the injector timing intake.
- [actualenginepercenttorquej1939 - SPN 513 AND atlengnprnttrqfrtnlj1939 - SPN 4154](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/actualenginepercenttorquej1939-spn-513-and-atlengnprnttrqfrtnlj1939-spn-4154.md): actualenginepercenttorquej1939 contains the calculated output torque of the engine as an integer and atlengnprnttrqfrtnlj1939 contains the additional fraction of a percent of the output torque
- [engineintakeairpressurej1939 - SPN 106](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineintakeairpressurej1939-spn-106.md): Absolute air pressure, in kPa, at input port to intake manifold.
- [engnfl1injtrmtrngrl1prssrj1939 - SPN 157](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engnfl1injtrmtrngrl1prssrj1939-spn-157.md): The gauge pressure, in MPa, of fuel in the primary, or first, metering rail as delivered from the supply pump to the injector metering intake.
- [asrenginecontrolactivej1939 - SPN 561](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/asrenginecontrolactivej1939-spn-561.md): Signal that indicates whether the ASR engine control is active
- [engineptogovernorresumeswitchj1939 - SPN 982](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/engineptogovernorresumeswitchj1939-spn-982.md): Resume switch for the PTO governor state
- [enginespeedj1939 - SPN 190 - to review](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/enginespeedj1939-spn-190-to-review.md): Revolutions per minute of the engine
- [cmmnddengnflinjtncntrlprssrj1939 - SPN 5314](/dimo-explorer/field-descriptions-in-detail/j1939-heavy-truck/engine-signals/cmmnddengnflinjtncntrlprssrj1939-spn-5314.md)
