2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

Running too rich

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Old Sep 13, 2021 | 01:45 PM
  #1  
Mustang Moon's Avatar
Mustang Moon
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Joined: Sep 2021
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From: LA
Default Running too rich

While driving my car sputters and runs rich. I'm not getting any code. Any ideas on what it way be?
Old Sep 14, 2021 | 01:45 AM
  #2  
Dino Dino Bambino's Avatar
Dino Dino Bambino
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Joined: Oct 2014
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From: Cyprus (EU)
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If you run the engine like that long enough, you will eventually get at least one code and that'll help you troubleshoot the problem.
You could start by inspecting your spark plugs.
Old Sep 15, 2021 | 12:19 AM
  #3  
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Derf00
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Joined: Feb 2005
Posts: 13,189
From: AZ
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When did it start running rich? That and what makes you think it’s running rich, smell of gas, live data showing fuel trims at way negative?
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