5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Rich or Lean

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Old 03-28-2007, 05:48 PM
  #1  
mazeman52
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Default Rich or Lean

Is there a quick way to tell weather your car is running lean or rich without getting it Dyno'd?
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Old 03-28-2007, 05:49 PM
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93 LX FiveO
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Default RE: Rich or Lean

fuel pressure gauge
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Old 03-28-2007, 05:50 PM
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PRO50SC
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Default RE: Rich or Lean

Look at the plugs

http://www.dansmc.com/Spark_Plugs/Sp...s_catalog.html
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Old 03-28-2007, 05:51 PM
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cassidymustang
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Default RE: Rich or Lean

+1 on check the plugs
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Old 03-28-2007, 05:54 PM
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Default RE: Rich or Lean

Okay what will I be looking for? color?
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Old 03-28-2007, 05:55 PM
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PRO50SC
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Default RE: Rich or Lean

ORIGINAL: mazeman52

Okay what will I be looking for? color?
Check the link I posted above!
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Old 03-28-2007, 05:56 PM
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Default RE: Rich or Lean

Thanks, sorry I missed it the first time.
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Old 03-28-2007, 06:00 PM
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cassidymustang
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Default RE: Rich or Lean

white is lean i believe
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Old 03-28-2007, 08:20 PM
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Jeff 86 GT
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Default RE: Rich or Lean

look for golden brown color on the porcelin
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