What are the Signs of a Defective ECU in a Car PowerPoint PPT Presentation

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Title: What are the Signs of a Defective ECU in a Car


1
WHAT ARE THE SIGNS OF A DEFECTIVE ECU IN A CAR?
2
The engine control unit (ECU) or engine control
module (ECM) is a programmable unit that
regulates the performance of the engine of a car.
3
Integration of such a programmable computer unit
has significantly increased the efficiency of an
internal combustion engine.
4
Any kinds of errors in the software or hardware
of the ECU could have disastrous consequences.
5
So, signs which indicate that the ECU is not
working properly should not be neglected and
efforts should be made to fix such problems in
time.
6
SIGNS OF A DEFECTIVE ECU
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POOR ENGINE PERFORMANCE
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The ECU plays a vital role in the performance of
an internal combustion engine.
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Software of the ECU analyzes the data provided by
the sensors located in different parts of the
engine to regulate the fuel injection system.
10
So, any kinds of errors in the software,
hardware, or the sensors which provide data to
the ECU could adversely affect the performance of
an engine.
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The Presence of a disproportionate amount of
fluid and air inside the combustion chamber could
significantly reduce the power output of the
engine.
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Thus, such issues should be repaired in order to
increase the efficiency of the engine.
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CHECK ENGINE LIGHT ILLUMINATES
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A defective ECU is one of many reasons behind the
illumination of check engine light on the
dashboard.
15
Appearance of other warning signs related to a
problematic ECU along with the check engine light
would help to get a clear idea.
16
The root cause which triggered the check engine
light to illuminate needs to be repaired
immediately.
17
Besides, the computer should be properly examined
to find the trouble code.
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ENGINE MISFIRES
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The ECU regulates the fuel injection system.
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Injection of an excess amount of fuel or air into
the combustion chamber might cause engine
misfiring.
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Moreover, problems like the emission of an excess
amount of unburned hydrocarbons or the instant
rise of fuel consumption by the engine also
indicates that the ECU might have defects.
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BOTTOM LINE
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Deformities associated with the ECU should be
identified and repaired in its early stage.
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Overlooking such kinds of warning signs might
have disastrous consequences.
25
THANK YOU
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