The throttle position sensor is a contrivance that transmits information about the position of the throttle body to the vehicle’s engine control unit. With gradual use, it becomes worn and needs replacement. Once it goes bad, it sends wrong data to the vehicle’s computer and results in poor fuel economy. Thus, it is imperative for a motorist to be aware of the signs of a faulty throttle position sensor so that the motorist can replace the sensor before its failure causing irreversible damage to the engine.

2. Throttle position sensor or
butterfly valve monitors the
movement of the throttle plate
and sends out the signals to the
power control module or PCM.

3. It also regulates the movement
of the throttle plate in order to
control the air flow to the
combustion chamber of the
engine.

4. The engine needs sufficient
oxygen to burn the fuel. So, the
throttle position sensor plays a
crucial role in the performance
of an engine.

5. Errors in the data provided to
the PCM might adversely affect
the power output of the engine.

6. So, such sensors need regular
maintenance to work properly.

7. SIGNS OF A FAULTY
THROTTLE POSITION
SENSOR

8. TPS monitors the rate of air flow
through the throttle body to the
combustion chamber of the
engine.
FUEL CONSUMPTION
INCREASES

9. The engine control unit or ECU
uses the data provided by TPS to
regulate the fuel injection
system.

10. Inaccurate data might adversely
affect the rate of fuel
consumption by the engine.

11. So, if fuel consumption increases
suddenly, then it is a clear sign
of a faulty throttle position
sensor.

12. If the ECU finds any kinds of
errors in the data provided by
the TPS, then it will turn on the
check engine light.
CHECK ENGINE LIGHT
APPEARS

13. Appearance of the check engine
light is the first line of defence
against any major mechanical
malfunctions in the engine.

14. Identifying and repairing the
problems in time is the key to
keep the engine in working
order.

15. Timing and quantity of fuel
injection into the combustion
chamber of a car play an
important role in the power
output of an engine.
ENGINE MISFIRES AND
WEAK ACCELERATION

16. Damaged TPS might fail to
regulate the fuel to air ratio
inside the combustion chamber
of a car.

17. Presence of a disproportionate
amount of fuel to air ratio inside
the combustion chamber might
lead to engine misfire.

18. Moreover, an engine with a
faulty TPS might fail to generate
the required amount of
acceleration.

19. BOTTOM LINE

20. Sensors used in the car play a
vital role in the performance of a
car.

21. Errors in the data provided by
TPS might have significant
influence on the performance of
a car.

22. So, such errors should be
detected and repaired in time.

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