4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

2002 4.6 rough idle

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Old Nov 24, 2009 | 06:07 PM
  #1  
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dammitjim68
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From: FLORIDA
Default 2002 4.6 rough idle

Hi I have rough idle in neutral.
I have replaced the fuel pump and pick up filters.
The socks were brown and nasty.
I repaired one vacuum leak.
Still have codes 1130,1150, lean bank 1&2.
Any suggestions would be great.
Old Nov 24, 2009 | 06:49 PM
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H0SS302
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check your 02 sensors for the lean bank coedes.
Old Nov 27, 2009 | 12:59 PM
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dammitjim68
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Originally Posted by H0SS302
check your 02 sensors for the lean bank coedes.
I THOUGHT O2 SENSORS HAD THERE OWN CODE?
Old Nov 27, 2009 | 01:19 PM
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H0SS302
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Normally when you get a lean bank code your o2s are faulty.
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