The speed sensors detect the revolutions per minute of the engine's spinning crankshaft and help to control the speed of the car. When it goes bad, then the cruise control is affected, check engine light is on, and the speedometer also starts to malfunction. You may see the below slides in order to the ways to find a faulty speed sensor of your car.

1. How could you find the
FAULTY
SPEED
SENSOR of your
CAR

2. There are two types of speed
sensors are available in the car
such as engine speed sensor and
transmission speed sensor.

3. The engine speed sensor detects
the revolutions per minute of the
engine's crankshaft spinning and
the transmission speed sensor
detects the fastest traveling of
your car.

4. In the dashboard, the tachometer
represent the engine speed, as
well as the speedometer,
represent the transmission speed.

5. The engine control unit receives
the information from the sensor
and takes appropriate action to
perform all the functions of the
engine and transmission.

6. If you find that the sensors of your
car are damaged, then the
following points will help you to
determine the faulty sensor in
your car.

7. Damaged cruise
control

8. If the cruise control mechanism
of your car is working properly,
then the transmission speed
sensor of your car run functionally.

9. When the engine control unit
unable to receive the information
about the speed of the car, then
the cruise control unable to
maintain the same speed.

10. If the sensor fails to deliver the
accurate data to the onboard
computer of the car, the
powertrain control module sends
an error code to the car.

11. If you notice that when you press
the cruise control control button it
does not engage, then it may be
the reason of faulty speed sensor.

12. Check engine light

13. When you find that the check
engine light of your car is
illuminated, this is a clear indication
of a faulty speed sensor of your car.

14. The ECU depends on the speed
information of the engine's
crankshaft. When it does not receive
the information, it can automatically
illuminate the check engine light.

15. It also indicates the increases of
tailpipe emissions that can
surpass the acceptable limits for
environmental contaminants from
cars.

16. When you notice that the check
engine light comes on, you should
contact a mechanic to scan the
error codes.

17. Malfunctioned
speedometer

18. When you find that your car's
speedometer stops functioning all
of a sudden, then it will clearly
indicate that the speed sensor has
some defects.

19. The malfunctioning of the speed
sensor indicates that the
speedometer of your car will not
have the ability to read the speed
of the car.

20. This issues is very risky for your
car because you will drive your car
without aware about the exact
speed of the car that has
registered.

21. The malfunctioning of the
speedometer due to the faulty
speed sensor can cause
unnecessary and unavoidable
accidents.

22. Improper shifting

23. Without the valid speed signal
from the sensor, the power control
unit not able to control the shifting
of gears within the transmission.

24. It may cause a problem with the
sensor and impact the shift timing
as well as extending the time
interval between the transmission
shifts.

25. When you find that the
transmission shifts are hard, then
it can damage the internal
components of the car.

26. If you notice that the transmission
of your car is shifting harshly or
roughly, then you need to contact
a mechanic as soon as possible.

27. Conclusion

28. If you find any of the above
symptoms in your car, then take
your car to a professional
mechanic to diagnose it and to
identify the faults.

29. Before visiting an auto repair
shop ascertain the real problems
of the speed sensor in detail.

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