tata indigo fuel injection pump setting in detail | how to set fuel pump | increase mileage

tata indigo fuel injection pump setting in detail | how to set fuel pump | increase mileage
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✅ Explanatory video
Fuel injection pump video PART-2 link:- • tata indigo fuel injec...
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tata indigo injection pump setting to get maximum mileage and lowest smoke and high pickup and it helps to tune up the engine and its sound. also helps to reduce black smoke from exhaust and helps to increase engine life.
mainly rpm is very difficult to set after 50000km manually but my video will help you.
some extra knowledge:-
Primary Functions:---
1. Fuel pump injection timing control.
2. Glow plug pre & post heat control.
3. EGR system on-off control.
Secondary Functions:---
1. FICD (Fast Idle Control Device Control). This is
the device which
increases the rpm when the AC is switched on.
2. AC switch off at high Engine temperature and high
loading.
3. High altitude proportional control.
4. Fault detection & storage of trouble codes.
The ECU gets its inputs/information about Throttle
position, coolant
temperature, ambient temperature, engine rpm,
crankshaft angle & Injection
start from the following sensors on the engine :
1. Throttle Position Sensor or Fuel Level Sensor :
This is a potentiometer connected to the fuel delivery lever which is
actuated when the accelerator
pedal is pressed. It sends a DC voltage to the ECU which is proportional to
the accelerator position.
2. Temperature Sensor: This is a thermistor type of
sensor, monitoring the coolant temp.
3. RPM sensor: Part of the alternator. Gives 3
voltage pulses for one revolution of the crankshaft.
4. Crankshaft Angle Sensor or Crankshaft Position
Sensor. This is mounted on the flywheel housing and provides piston TDC (Top
Dead Centre) information to the ECU, in the form of a number of voltage pulses
per 90 degrees angle of rotation.
5. Needle Lift Sensor: This sensor is part of No. 4 cylinder fuel injector,
& sends a voltage signal to the ECU at the precise beginning of injection.
How it works :
Based on the inputs from these sensors, the ECU
controls the following units
through Relays, Solenoid switches & PWM control :
1. Glow Plug Heaters: These are for pre-heating the
cylinders. The ECU controls the glow plugs ON time based on ambient &
engine temperature.
2. Fuel Pump: Injection timing is controlled depending on the position of
the accelerator pedal----timing is advanced automatically at higher rpm. The
ECU controls a cam actuator inside the fuel pump,
based on a look-up table stored in the ECU program ROM.
3. EGR: This is the Exhaust Gas Recirculation
system. Part of the exhaust
gases is mixed with the air intake to reduce temperatures inside the
cylinders to below 210 deg C., which sharply
reduces the formation of Nitrogen Oxides (Nox) in the exhaust, thereby
reducing harmful pollutants as reqd. by Euro / BS 2 & 3 norms.The EGR valve is
controlled by the ECU, & gets activated in the rpm band 1100 to 3000 rpm,
with small variations to compensate for engine temp & loading.
4. FICD: The fast idle control is used to increase
the idle rpm when the AC is switched on. The ECU activates the FICD through a
solenoid switch by monitoring the AC compressor clutch voltage.
The ECU also continuously monitors the engine
temperature, & switches off the AC if upper limits are exceeded.
All the sensors are also monitored continuously, and
a fault or trouble code is stored in non-volatile memory in case of a
fault, & the Check Engine Light comes ON.
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