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

off road exhaust and engine lights

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Old 12-14-2007, 01:50 AM
  #11  
rogerwilco357
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Default RE: off road exhaust and engine lights

ahh reset it and this car has been on a dyno and has pre sets i used lower octane gas . and that is when i got the rich code ..now i only use the 94 octane with the octane boost and no more code light just luck or could that have something to do with it? and thanks for all the input ...rogerwilco
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Old 12-14-2007, 02:32 AM
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Nitti00GT
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Default RE: off road exhaust and engine lights

ORIGINAL: 1fstblckgt

Try this write up... its off a banger site but same principle. Youll get the idea.

spark plug non-fouler
Wow that's pretty sweet.
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Old 12-14-2007, 05:02 AM
  #13  
2000GT4.6
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Default RE: off road exhaust and engine lights

Just buy a tuner and turn off the rear o2 sensors. No matter what you do (MILs etc) theres still a good chance it will pop on ocassionally.

50 bucks for the mils can go to your tuner that will also retune the car and let you correct your speedo if/when you get gears etc etc.
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