4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

no cats/service engine soon light

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Old 10-17-2007, 11:10 AM
  #1  
DANNO03
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Default no cats/service engine soon light

I have a bbk off road x pipe no cats. The service engine soon light is on. does that affect performance and gas mileage?
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Old 10-17-2007, 11:24 AM
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99 GT vert
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Default RE: no cats/service engine soon light

it shouldnt but im not 100% sure
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Old 10-17-2007, 05:06 PM
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TReed218
 
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Default RE: no cats/service engine soon light

I know on my 02 GT when I had the X pipe installed w/o cats, my tuner guy had to delete the O2 sensors in the back with a tune.
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Old 10-17-2007, 06:55 PM
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02StangGuy
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Default RE: no cats/service engine soon light

yea just take it to a tuner and get it turned off
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