2. The simple answer to this question is- NO.
Let me explain why?

3. To begin with, let’s
discuss what triggers the
check engine light in a car
and how serious is it.

5. Illuminated check engine
light signals an issue has
been detected; most
probably within the
engine.

6. Nevertheless, it doesn’t
always mean something
bad has happened to the
engine.

7. For instance, issues as
minor as a loose gas cap
can turn on the check
engine light in your Audi
Q5.

8. Whatever the reasons
may be, if your car’s check
engine light is on, you
should call your
mechanic.

9. Have a look at some of the most common reasons why the check engine
light comes on in a car.

12. This is by far the most
common reason why
check engine light comes
on in a vehicle.

13. A gas cap serves to do the
following things;
• Constrain the slow escape of fuel
vapor
• Maintain optimal pressure within
the fuel line
• Prevent oil contamination

14. However, a cracked or
loose gas cap won’t be
able to do so.

15. When your Audi Q5’s on-
board diagnostic system
finds out the problem, it
would immediately turn on
the check engine light.

17. Illumination of the
“Check engine light”
implies check your car
engine right away .

18. Listed below are a few
engine-related problems
that can trigger the check
engine light;
• Worn out spark plugs
• Imbalanced air-fuel ratio
• Issues like engine misfire, backfire,
overheating, and so on…

19. If left unaddressed, these
problems can result in
catastrophic engine
failure in your Audi Q5.

21. O2, MAF, and other
sensors aid the ECU to
manage the engine
operation.

22. If any of these sensors
fail, you would encounter
all sorts of drivability
issues in your Audi Q5.

23. When the control module
detects those anomalies,
it turns on the check
engine light.

25. The exhaust system of a
car is employed to
accomplish the following
objectives;
• Get rid of the toxic emissions
• Maintain optimal back-pressure
• Minimize the toxicity of the
exhaust gases

26. Exhaust system problems
(like a bad catalytic
converter) can trigger the
check engine light.

27. So, all you have to do is to
identify and fix the
exhaust system issues in
your Audi Q5 without
delay .

29. Blinking check engine
light in your Audi Q5 can
be annoying.

30. If left unaddressed, it can
give rise to all sorts of
engine related problems.

31. So, you have to figure out
the reason why this light
is flashing.

33. Use an OBD II scanner to
retrieve the error code.

34. Consult with your
mechanic and take action
accordingly .

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