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Fuel consumption

Tiny
USAMA AHMED
  • MEMBER
  • 2007 HONDA ACCORD
  • 2.4L
  • 4 CYL
  • AUTOMATIC
  • 105,000 MILES
Hello, please I have the car listed above that has been having black smoke. After changing a lot of sensors it still did not help. The black smoke is still there. We decided to fix a borrowed brain box for test of 2 days which I did and it stopped. Am yet to change the brain box. My question is, does black smoke consumes a lot of fuel?
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Tuesday, July 7th, 2020 AT 11:37 PM

6 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Yes. Basically black smoke is unburned fuel that is going through the exhaust. It doesn't necessarily mean that it is using more fuel but it is just not burning it all in the combustion chamber.

https://www.2carpros.com/articles/engine-black-smoke

If you changed the control module and it fixed the issue then clearly that was the issue and more then likely it was causing the engine to be over fueled or an insufficient spark.

Let me know if you have questions. Thanks
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Wednesday, July 8th, 2020 AT 3:49 PM
Tiny
USAMA AHMED
  • MEMBER
  • 4 POSTS
I will definitely update you as soon as I change the brain box.
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Wednesday, July 8th, 2020 AT 5:33 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Sounds great. However, we need to keep all communication on this site so that others can see what you do if they have the same issue.
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Wednesday, July 8th, 2020 AT 8:50 PM
Tiny
USAMA AHMED
  • MEMBER
  • 4 POSTS
Okay, thanks.
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Thursday, July 9th, 2020 AT 2:56 AM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
You are welcome. Let us know what happens. We will wait to hear back from you. Thanks
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Thursday, July 9th, 2020 AT 7:05 PM
Tiny
USAMA AHMED
  • MEMBER
  • 4 POSTS
Okay.
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Friday, July 10th, 2020 AT 2:31 AM

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