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.

lean?

Old 05-20-2007, 10:04 PM
  #1  
89blackonblack
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Default lean?

what are some signs that a car might be running too lean?
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Old 05-21-2007, 12:15 AM
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billyam87
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Default RE: lean?

Check your plugs. Make sure that they aren't burnt. Check it with an a/f gauge. Why do you ask?
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Old 05-21-2007, 12:17 AM
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samseed101
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Default RE: lean?

A blown head gasket ora shattered piston are two good signs. If you hear pinging at higher loads that's a pretty good sign as well. Of course, it's much easier to check your A/F ratio.
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Old 05-21-2007, 09:44 PM
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89blackonblack
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Default RE: lean?

just curious.. going back for another tune this week anyway,,
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