Is revving the engine to redline on idle at morning bad?

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I own a Ford Ecosport Diesel Turbo 1.5 TDCI and every morning when I start the car, I put it on neutral and rev it up to 6K RPM for just 3 sec and brings it back to normal idling without revving and start my usual normal drive. The intention is to clear any carbon deposits inside the engine and exhaust.
Now, is that a bad practice? My car is new and just done 14000 KM.
When I started to do this way, my car engine noise became less.
Please advise !






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    I own a Ford Ecosport Diesel Turbo 1.5 TDCI and every morning when I start the car, I put it on neutral and rev it up to 6K RPM for just 3 sec and brings it back to normal idling without revving and start my usual normal drive. The intention is to clear any carbon deposits inside the engine and exhaust.
    Now, is that a bad practice? My car is new and just done 14000 KM.
    When I started to do this way, my car engine noise became less.
    Please advise !






    engine-theory cold-start rev-limiter







    share|improve this question









    New contributor




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      up vote
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      up vote
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      down vote

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      I own a Ford Ecosport Diesel Turbo 1.5 TDCI and every morning when I start the car, I put it on neutral and rev it up to 6K RPM for just 3 sec and brings it back to normal idling without revving and start my usual normal drive. The intention is to clear any carbon deposits inside the engine and exhaust.
      Now, is that a bad practice? My car is new and just done 14000 KM.
      When I started to do this way, my car engine noise became less.
      Please advise !






      engine-theory cold-start rev-limiter







      share|improve this question









      New contributor




      Ethical Gamer is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      I own a Ford Ecosport Diesel Turbo 1.5 TDCI and every morning when I start the car, I put it on neutral and rev it up to 6K RPM for just 3 sec and brings it back to normal idling without revving and start my usual normal drive. The intention is to clear any carbon deposits inside the engine and exhaust.
      Now, is that a bad practice? My car is new and just done 14000 KM.
      When I started to do this way, my car engine noise became less.
      Please advise !






      engine-theory cold-start rev-limiter




      engine-theory cold-start rev-limiter






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          Yes, this may be bad. The oil is not yet at the operating temperature, and the same is true for engine parts as well. I wouldn't redline a cold engine with cold oil.



          Your intention to clear carbon deposits is justified. But why don't you do this during a drive? That way, the engine and oil have had a chance to heat up to operating temperature.



          By the way, are you sure the 6K RPM is the redline for your engine? Sounds a bit high for a diesel.






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          • You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
            – Ethical Gamer
            2 hours ago










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          Yes, this may be bad. The oil is not yet at the operating temperature, and the same is true for engine parts as well. I wouldn't redline a cold engine with cold oil.



          Your intention to clear carbon deposits is justified. But why don't you do this during a drive? That way, the engine and oil have had a chance to heat up to operating temperature.



          By the way, are you sure the 6K RPM is the redline for your engine? Sounds a bit high for a diesel.






          share|improve this answer




















          • You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
            – Ethical Gamer
            2 hours ago














          up vote
          2
          down vote













          Yes, this may be bad. The oil is not yet at the operating temperature, and the same is true for engine parts as well. I wouldn't redline a cold engine with cold oil.



          Your intention to clear carbon deposits is justified. But why don't you do this during a drive? That way, the engine and oil have had a chance to heat up to operating temperature.



          By the way, are you sure the 6K RPM is the redline for your engine? Sounds a bit high for a diesel.






          share|improve this answer




















          • You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
            – Ethical Gamer
            2 hours ago












          up vote
          2
          down vote










          up vote
          2
          down vote









          Yes, this may be bad. The oil is not yet at the operating temperature, and the same is true for engine parts as well. I wouldn't redline a cold engine with cold oil.



          Your intention to clear carbon deposits is justified. But why don't you do this during a drive? That way, the engine and oil have had a chance to heat up to operating temperature.



          By the way, are you sure the 6K RPM is the redline for your engine? Sounds a bit high for a diesel.






          share|improve this answer












          Yes, this may be bad. The oil is not yet at the operating temperature, and the same is true for engine parts as well. I wouldn't redline a cold engine with cold oil.



          Your intention to clear carbon deposits is justified. But why don't you do this during a drive? That way, the engine and oil have had a chance to heat up to operating temperature.



          By the way, are you sure the 6K RPM is the redline for your engine? Sounds a bit high for a diesel.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 2 hours ago









          juhist

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          7,93842559











          • You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
            – Ethical Gamer
            2 hours ago
















          • You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
            – Ethical Gamer
            2 hours ago















          You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
          – Ethical Gamer
          2 hours ago




          You are correct regarding the rev redline, it is 5, not 6. Thank you for responding.
          – Ethical Gamer
          2 hours ago










          Ethical Gamer is a new contributor. Be nice, and check out our Code of Conduct.









           

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