ENGINE 7 Rail pressure sensor Inlet Manifold Heater 10. Rail Pressure Sensor: This sensor is fitted on the rail gives a closed loop control of the rail pressure.Fuel is maintained at a high pressure in the rail depending on requirement of the engine. 11. Throttle Pedal sensor: This sensor tells the ECU about the position of the accelerator.This input is used to determine the torque required to drive the vehicle which in turn determines the required fuel quantity.This is a dual potentiometer sensor. 12. Inlet Manifold Heater (for E III only): It heats up the intake air inside the manifold for better cold startability at –20 deg. 13. Water In fuel sensor: It Measures water percentage in fuel and gives indication on the instrument cluster (Refer sedimenter section) 14. Barometric Sensor: This sensor is inbuilt with ECU which gives altitude input to the ECU. Pedal Sensor
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