Menu

Articles in this section

See more

Engine Performance Report Follow

Avatar
Patrick Quiery

Overview

Limited engine data make it challenging for fleets to diagnose and prevent asset failures. IntelliShift's Engine Performance Report bridges that gap by providing access to a multitude of engine sensor points, offering a comprehensive view of your asset's health.

  • Preventative Maintenance: Proactively identify potential issues before they escalate into critical failures.
  • Reactive Investigation: Gain valuable insights for root cause analysis after an incident occurs.

Pre-requisites

Gear Up for Enhanced Fleet Management

The Engine Performance Report equips you with the power to:

  • Optimize preventative maintenance on your fleet.
  • Diagnose and address potential issues before they become critical.
  • Reduce downtime and associated costs.
  • Gain a deeper understanding of your fleet's overall health.

Data at Your Fingertips

The Engine Performance Report offers a vast array of engine sensor data points, including:

  • Telematics Events: Ignition, movement(start, continued, stop), I/O engagement/disengagement, VIN, and active DTCs.

  • Location Data: View full address, latitude, and longitude for each event

  • Engine Sensor Data:

    • Accelerator Pedal Position (%)
    • Aftertreatment System Temperatures (Diesel Exhaust Fluid Tank Level, Diesel Particulate Filter Lamp Status, Differential Pressure)
    • Engine Coolant Level (%)
    • Engine Exhaust Gas Information (Recirculation Mass Flow Rate, Temperature, Restriction Valve Control, Closed Loop Operation)
    • Engine Load (%)
    • Engine Oil Level (%) and Temperature (°F)
    • Engine Road Speed (mph)
    • Transmission Oil Temperature (°F)
    • Engine Turbocharger Information (Speed (RPM), Variable Geometry Turbocharger Actuator %)
    • Fuel Level (%)
    • Oil Pressure (kPa)
    • Engine Exhaust Gas Information (Oxygen %, NOx Concentration)
    • Tire Pressure (axle and tire)
    • Odometer
    • Engine Hours
    • Water in Fuel Indicator
    • Check Engine Light Status (with DTC code and description)
    • State of Charger Connection & Charging (for Electric Vehicles)
    • EV Battery Level (%)
    • State of Powertrain (for Electric Vehicles)
    • HVESS Voltage (Volts) and Current (Amps)
    • ECM Connection Status

Engine Sensor Datapoint Descriptions

  • Accelerator Pedal Position
    • Description: How hard the gas pedal is pressed. In the Form of %. This information is crucial for the vehicle's computer to determine how much power to send to the engine. It's essentially the driver's input to the vehicle's power system.
  • Aftertreatment 1 SCR Inlet Temperature
    • Description: Temperature of the air going into the after-treatment system. In the form of Degrees. Knowing the temperature of the air entering the Selective Catalytic Reduction (SCR) system is crucial for the system to work efficiently. It helps the vehicle's computer control the amount of DEF injected and optimize the chemical reaction that reduces emissions. Essentially, it provides data about the conditions under which the after-treatment system is operating.
  • Engine Coolant Level
    • Description: Amount of coolant in the engine. In the Form of %. Low coolant levels can lead to engine overheating, which can cause severe damage. Monitoring the coolant level helps prevent this and ensures optimal engine performance.
  • Battery Voltage
    • Description:

      A vehicle's battery voltage is essentially the electrical pressure that powers its systems. It's measured in volts (V) and is crucial for a car to function properly. A fully charged 12-volt battery typically has a voltage between 12.6 and 12.8 volts. When the engine is running, the voltage should rise to around 13.7 to 14.7 volts, indicating that the alternator is charging the battery properly.

  • DEF Level
    • Description:

      This tells you how much Diesel Exhaust Fluid (DEF) is left in the tank. DEF is a fluid used to reduce harmful emissions from diesel engines. Maintaining an adequate DEF level is crucial for optimal after-treatment system performance and to avoid vehicle breakdowns or reduced power.

  • DPF Lamp Status
    • Description:

      This determines if the warning light related to the DPF should be illuminated on the vehicle's dashboard. The DPF is part of the after-treatment system that captures soot particles from the exhaust gases. This command ensures that the driver is alerted when there's an issue with the DPF, allowing for timely action to prevent further problems.

    • Values: 

      • Off: The DPF is functioning normally, and there's no need for a warning light to be illuminated.

      • On: The DPF is experiencing an issue that requires attention. The warning light will be illuminated to alert the driver. This could indicate a variety of problems, such as a clogged filter or a malfunctioning sensor.

      • On - Fast Blink: This indicates a more severe issue with the DPF. The fast-blinking warning light signals a critical problem that requires immediate attention.

      • On - Very Fast Blink: This is the most severe level of DPF warning. It indicates a critical failure of the DPF system, and the vehicle may need to be towed to a repair facility.

      • Not Available: The DPF lamp status is not available. This could be due to a sensor failure or a communication issue with the vehicle's computer.

  • Aftertreatment 2 Diesel Oxidation Catalyst Inlet Temperature
    • Description:

      This indicates the temperature of the air entering the second diesel oxidation catalyst (DOC) in the vehicle's aftertreatment system. A DOC helps to reduce harmful emissions by converting harmful gases into less harmful ones. Knowing this temperature helps the vehicle's computer manage the aftertreatment system efficiently and effectively, reducing emissions.

  • Aftertreatment 1 Diesel Oxidation Catalyst Inlet Temperature
    • Description:

      This measures the temperature of the air going into the first part of the system that cleans up the exhaust gases. Knowing this temperature helps the vehicle's computer manage the after-treatment system efficiently and effectively, reducing emissions.

  • DPF Regeneration Status
    • Description:

      This indicates whether the Diesel Particulate Filter (DPF) is undergoing an active regeneration process. During this process, the vehicle's computer increases engine temperature and exhaust gas flow to burn off the soot trapped in the DPF. Understanding the DPF regeneration status helps in diagnosing potential issues and ensuring optimal aftertreatment system performance.

    • Values:

      • Not Active: The DPF is not currently undergoing a regeneration process. This is the normal state when the filter is clean or the soot level is low enough to be handled by passive regeneration during normal driving conditions.

      • Active: The DPF is actively regenerating. This means the vehicle's computer is increasing engine temperature and exhaust gas flow to burn off the soot trapped in the filter. This process typically occurs during driving and is usually transparent to the driver.

      • Regeneration Needed: The DPF is nearing capacity and requires a regeneration cycle. This might indicate that the vehicle hasn't been driven in a way that allows for passive regeneration, such as short trips or low-speed driving. In this case, the vehicle may need to be driven under specific conditions (e.g., highway speeds) to initiate an active regeneration.

      • Not Available: The DPF regeneration status is not available. This could be due to a sensor failure or a communication issue with the vehicle's computer

  • DPF Differential Pressure
    • Description:

      This indicates the pressure difference between the inlet and outlet of the first Diesel Particulate Filter (DPF). The DPF captures soot particles from the exhaust gases. As the DPF fills up with soot, the pressure difference increases. his measurement helps the vehicle's computer determine when the DPF needs to be cleaned (regenerated) by burning off the soot. It also provides information about the overall condition of the DPF.

  • Engine Coolant Temperature
    • Description:

      It refers to the temperature of the fluid circulating through the engine's cooling system. This system is responsible for preventing the engine from overheating, which can cause severe damage.

  • Engine Exhaust Gas Recirculation Mass Flow Rate
    • Description:

      This indicates the amount of exhaust gas being recirculated back into the engine's combustion chamber. This process, called Exhaust Gas Recirculation (EGR), helps to reduce combustion temperatures and, consequently, the formation of harmful nitrogen oxides. Accurate measurement of EGR mass flow rate is crucial for optimal engine performance and emissions control. The engine's computer uses this information to adjust other engine parameters, such as fuel injection and ignition timing.

  • Engine Exhaust Gas Recirculation Temperature
    • Description:

      This indicates the temperature of the exhaust gas that is being recirculated back into the engine's combustion chamber. This temperature is crucial for the proper operation of the EGR system. Knowing the temperature of the EGR gas helps the engine's computer to control the EGR system effectively. If the temperature is too high or too low, it can affect engine performance and emissions.

  • Engine Exhaust Gas Restriction Valve Control

    • Description:

      This controls the position of the valve that regulates the flow of exhaust gases. This valve is part of the exhaust system and helps manage back pressure, which impacts engine performance and emissions. Precise control of the exhaust gas restriction valve is crucial for maintaining optimal engine efficiency and reducing emissions. The engine's computer uses this valve to balance various engine parameters.

  • Engine Exhaust O2 Closed Loop Operation

    • Description:

      This indicates whether the engine's computer is using the oxygen sensor on the first bank of cylinders to adjust the air-fuel mixture for optimal combustion. This process is called closed-loop operation. A properly functioning oxygen sensor and closed-loop system is essential for good fuel economy, reduced emissions, and optimal engine performance.

    • Values:

      • Open loop - has not yet satisfied conditions to go closed loop: The engine hasn't reached the necessary operating conditions (e.g., temperature, engine speed) to switch to closed-loop mode.

      • Closed loop - using oxygen sensor(s) as feedback for fuel control: The engine is operating in closed-loop mode, using the oxygen sensor(s) to continuously adjust the air-fuel mixture for optimal combustion.

      • Open loop due to driving conditions (e.g., power enrichment, deceleration enleanment): The engine is temporarily operating in open-loop mode due to specific driving conditions that require adjustments to the air-fuel mixture, such as hard acceleration or deceleration.

      • Open loop - due to detected system fault: The engine has detected a fault in the oxygen sensor or other related components, forcing it to operate in open-loop mode.

      • Closed loop, but fault with at least one oxygen sensor - may be using single oxygen sensor for fuel control: The engine is still operating in closed-loop mode, but with a fault in one or more oxygen sensors. It may be using a single functioning sensor to control the air-fuel mixture.

      • Not Supported: The vehicle's computer system doesn't support reporting this specific information.

  • Engine Intake Air Mass Flow Rate

    • Description:

      This indicates the amount of air flowing into the engine. Accurate measurement of intake air mass flow rate is crucial for proper engine operation and emissions control. The engine's computer uses this information to adjust fuel injection and other parameters.

  • Engine Load

    • Description:

      This indicates how much the engine is being pushed to its maximum capacity at the current vehicle speed. It's a percentage value representing the engine's output compared to its potential output at that specific speed. This information is crucial for managing engine performance, fuel efficiency, and emissions. It helps the engine's computer determine optimal settings for various components like fuel injection, ignition timing, and turbocharger boost.

  • Engine Oil Level

    • Description:

      This indicates the level of engine oil in the engine's lubrication system. Maintaining the correct engine oil level is crucial for engine health. Too little oil can cause severe engine damage, while too much oil can lead to increased friction and reduced engine efficiency.

  • Engine Oil Temperature

    • Description:

      This indicates the temperature of the engine oil. Engine oil temperature is crucial for optimal engine performance and longevity. Proper oil temperature ensures efficient lubrication, heat dissipation, and protection of engine components. It helps prevent issues like excessive wear, overheating, and premature engine failure.

  • Engine Road Speed

    • Description:

      A measurement of the vehicle's speed as determined by the Engine Control Module (ECM). It's a crucial parameter for various engine functions, including fuel injection, ignition timing, and transmission shifting. This data is often used in conjunction with other sensor inputs to optimize engine performance and fuel economy.

  • Engine Speed (RPM)

    • Description:

      A measure of how fast the engine's crankshaft is rotating. It's a fundamental parameter that influences factors like power output, fuel consumption, and emissions. A higher RPM generally indicates increased engine power, while a lower RPM often signifies better fuel economy and reduced noise.

  • Transmission Oil Temperature

    • Description:

      This indicates the temperature of the oil in the first transmission of your vehicle. An automatic transmission relies on oil for lubrication and cooling of its internal components. Maintaining the proper transmission oil temperature is crucial for its smooth operation, efficiency, and longevity. Just like engine oil, transmission oil that is too cold may not provide adequate lubrication, while oil that is too hot can break down and lose its protective properties. Monitoring the transmission oil temperature helps ensure it stays within the optimal range for optimal performance and transmission health.

  • Engine Turbocharger Speed (RPM)

    • Description:

      This indicates the rotational speed of the first turbocharger on the engine. A turbocharger uses the exhaust gases to spin a turbine, which in turn compresses air and forces it into the engine for better combustion. The turbocharger speed is crucial for engine performance and efficiency. The engine's computer uses this information to adjust other parameters like fuel injection and boost pressure.

  • Engine Variable Geometry Turbocharger Actuator

    • Description:

      This indicates the position of the actuator controlling the variable geometry vanes inside the first turbocharger. A variable geometry turbocharger (VGT) adjusts the angle of its vanes to optimize performance across different engine speeds. The position of the VGT vanes directly affects the turbocharger's efficiency and the amount of boost it produces. The engine's computer uses this information to control the turbocharger for optimal performance and emissions.

  • Fuel Level

    • Description:

      Refers to the amount of fuel remaining in a vehicle's fuel tank. It's a crucial indicator that helps drivers avoid running out of fuel and plan their journeys accordingly.

  • Oil Pressure

    • Description:

      This measures the pressure of the engine oil as it circulates through the engine. Oil pressure is crucial for lubricating and protecting engine components. Low oil pressure can indicate a serious engine problem, such as insufficient oil, a clogged oil filter, or a worn oil pump. High oil pressure can also be a sign of an issue, such as a faulty oil pressure sensor.

  • Engine Exhaust Oxygen %

    • Description:

      This indicates the percentage of oxygen present in the exhaust gases from the first engine bank. Oxygen sensors measure this to help the engine's computer adjust the air-fuel mixture for optimal combustion and emissions reduction. Having the right amount of oxygen in the exhaust is crucial for both engine performance and environmental protection. Too much oxygen can indicate a lean air-fuel mixture, while too little can signal a rich mixture.

  • Engine Exhaust NOx Concentration

    • Description:

      This measures the level of nitrogen oxides (NOx) in the exhaust gases from the first engine bank. NOx is a harmful pollutant that contributes to air pollution. Monitoring NOx levels helps to ensure that the engine is operating efficiently and reducing harmful emissions. The engine's computer uses this information, along with other data, to adjust engine parameters and after-treatment systems to minimize NOx output.

  • Tire Pressure

    • Description:

      This measures the air pressure within the tires of the vehicle. Proper tire pressure is essential for safe and efficient driving. Under-inflated or overinflated tires can affect vehicle handling, braking, fuel economy, and tire life. Maintaining the correct tire pressure is crucial for safety and vehicle performance. Supporting up to 8 Axels and 4 Tires per Axel. Each Tire PSI is presented from Left to Right on the vehicle. 

    • Format:
      • Axel 1 T1:{PSI},T2:{PSI} | Axel 2 | T1:{PSI},T2:{PSI}, T3:{PSI},T4:{PSI} | Axel 3 | T1:{PSI},T2:{PSI}, T3:{PSI},T4:{PSI}...

  • Water in Fuel Indicator

    • Description:

      This indicates whether water has been detected in the fuel system. Water in fuel can cause severe engine damage. Water in fuel can freeze in cold weather, blocking fuel lines and injectors. It can also support the growth of harmful bacteria and fungi. Detecting water in fuel early is crucial to prevent engine problems.

  • Check Engine Light

    • Description:

      A warning indicator that signals a potential issue with the vehicle's engine or emissions system. It's a general warning, and the specific problem can vary widely. When this light illuminates, it's crucial to have the vehicle diagnosed by a mechanic to identify and address the underlying issue. Ignoring a Check Engine Light can lead to more serious problems and potentially costly repairs.

    • Values:
      • Yes: The light is illuminated, indicating a potential issue with the vehicle's engine or emissions system.
      • No: The light is not illuminated, suggesting that the engine is functioning normally.

  • DTC Code

    • Description:

      Is a code generated by a vehicle's computer system to indicate a specific problem or malfunction. When a problem is detected, the ECM (Engine Control Module) stores a DTC, and the Check Engine Light illuminates. DTCs are often used by mechanics to diagnose and repair vehicle issues. They provide valuable information about the nature of the problem, allowing technicians to pinpoint the exact cause and take appropriate action.

  • State of Charger Connection

    • Description:

      This indicates whether the vehicle is connected to an external power source for charging. Knowing the connection status is crucial for managing the charging process and optimizing battery life. It also helps the vehicle's system determine when to start or stop charging.

    •  Values: 
      • Charger Not Connected: The vehicle is not currently connected to an external power source for charging.
      • Charger Connected: The vehicle is currently connected to an external power source and is either charging or ready to charge.
      • Connection Error: There is an issue with the charging connection, preventing the vehicle from charging. This could be due to a faulty charging cable, a problem with the vehicle's charging port, or an issue with the charging station.

  • State of Charging

    • Description:

      This indicates the operational status of the High Voltage Electrical Storage System (HVESS) internal charger. This charger converts alternating current (AC) electricity from an external power source into direct current (DC) electricity for charging the vehicle's battery. Knowing the charger status is crucial for successful charging. It helps identify potential issues and informs the driver about the charging process.

    •  Values: 

      • Charging Off: The HVESS internal charger is currently inactive. This could mean that the vehicle is not plugged in, the charging process is complete, or there's an issue preventing charging.

      • Charging On: The HVESS internal charger is actively converting AC power to DC power and charging the vehicle's battery.

      • Error: There's an error with the HVESS internal charger, preventing it from operating correctly. This could be due to a hardware or software issue.

      • Not Available: The vehicle's system is unable to provide information about the charger's status. This could be due to a communication issue or other system-related problem.

  • EV Battery Level

    • Description:

      This measures the state of charge (SOC) of the primary energy storage system in the vehicle. This is the electric vehicle's battery pack. Knowing the stored energy level is crucial for managing vehicle operation, especially in hybrid or electric vehicles. It helps the vehicle's computer determine when to recharge the battery

  • State of Powertrain

    • Description:

      Based on the Propulsion system being in an Active State, we can identify that that the key is on and the Electric vehicle is ready to be driven. When the Propulsion system is in an inactive state, we can use this to identify that the vehicle is off and not in a ready state to be driven. This is treated just like Ignition Events for Internal Combustion Engine based Assets.

    • Values:

      • Propulsion system is not Ready to move vehicle is commanded by Operator: The vehicle is either off or not ready to drive due to various reasons like low battery, system faults, or being in a charging state.

      • Propulsion system is Ready to move or is moving the vehicle as commanded by the operator: The vehicle is ready to drive or is currently driving as commanded by the driver

      • Not Available: The system is unable to determine the current state of the powertrain.

  • HVESS Voltage

    • Description:

      This measures the voltage level of the High Voltage Electrical Storage System (HVESS), which is typically the main battery in a hybrid or electric vehicle. Voltage is a measure of electrical potential energy. Knowing the HVESS voltage level is crucial for managing vehicle performance and battery health. It helps the vehicle's computer determine the available power, control the charging process, and protect the battery from overcharging or deep discharge.

  • HVESS Current

    • Description:

      This measures the electric current flowing into or out of the High Voltage Electrical Storage System (HVESS) in a hybrid or electric vehicle. Current is a measure of the rate of flow of electric charge. Knowing the HVESS current is crucial for managing battery charging and discharging, as well as monitoring overall vehicle power consumption. It helps the vehicle's computer control the charging process, prevent overcurrent conditions, and optimize energy usage. The Negative represents a draw in Amps, and the Positive Number is a representation of a Gain in Amps back to the vehicles battery. The gain in amps could be from regenerative braking, or charing the vehicle.

  • Bus Status

    • Description:

      Refers to the communication protocol being used between the vehicle's electronic control units (ECUs). It indicates the specific type of data bus or network that the vehicle's systems are using to communicate with each other.

    • Values: 

      • OBDII

      • J1939

      • J1708

      • Not Connected

Frequently Asked Questions

  • How does IntelliShift Capture this Data?
    • IntelliShift's Vehicle Gateway connects to the Asset's Engine Control Module through the assets' diagnostic port. Once Connected, IntelliShift's Vehicle Gateway is looking for specific parameters on the vehicle's BUS network to bring this data into the IntelliShift platform 
  • Is this data available for all Year Makes & Model?
    • No - The sensor points are not available for all Year Makes and Models. Not all Year, Makes & Models have the components in the vehicle to be monitoring these sensor points. As well, some vehicles require further vehicle engineering to capture and decode this information to make it available within the Intellishift platform. 
  • How often is the data updated in the report?
    • The Sensor points from the ECM are available with every datapoint coming in to the Intellishift platform. The frequency of the information depends on the activity of the asset; since the IntelliShift hardware is event driven as your asset changes state this information will be available within the report. 

Related articles

Comments

0 comments

Article is closed for comments.