1.2L REVOTRON Bi FUEL CNG ENGINE 178 V. CNG Fuel Injectors : Component Details : CNG Fuel injectors are normally closed solenoid valves which operate when the electromagnetic core is energized by ECU. Based on engine operating conditions, ECU adjusts injection pulse widths to inject precise amount of fuel required. Component Location : CNG Injector Properties Operating Pressure – 4 bar (Gauge) Operating Temperature Range – - 40 Deg C to 125 Deg C Connector View : Connector Details: Connector Description 1 Supply 2 Ground VI. ELECTRONIC THROTTLE BODY : Component Details : A DC motor drive is used to move the throttle valve over the complete movement range. The DC motor is directly controlled by the ECU of the Diesel engine. Throttle Valve H-bridge driver of EMS ECU provides bidirectional control with active recirculation and over current detection. Component Location : The throttle position sensor is mounted on intake manifold upstream side. Preliminary Checks : 1. Please check whether dust/mud/any particle is blocking throttle valve. 2. Please check whether the throttle valve is stuck closed. 3. Please check for any throttle body related faults and rectify those faults by following their rectification procedure.
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