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

engine light on

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Old Jun 24, 2007 | 01:02 AM
  #1  
rogerwilco357's Avatar
rogerwilco357
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Default engine light on

ok i took it in to the auto zone they put the code reader on it for free and said all they got was a running rich code that the car was running rich now what can be done to lower that or should i bother , go from 94 to 87 octane? this has a vortech and a nx nitrous hook up but the bottle is off also with a vortech is there a special oil you are suppose to use weight or synthetic wise...thanks for future input ..rogerwilco
Old Jun 24, 2007 | 03:33 AM
  #2  
945LSTANG's Avatar
945LSTANG
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Joined: May 2007
Posts: 6,347
From: Columbia, MO
Default RE: engine light on

ORIGINAL: rogerwilco357

ok i took it in to the auto zone they put the code reader on it for free and said all they got was a running rich code that the car was running rich now what can be done to lower that or should i bother , go from 94 to 87 octane? this has a vortech and a nx nitrous hook up but the bottle is off also with a vortech is there a special oil you are suppose to use weight or synthetic wise...thanks for future input ..rogerwilco
never run a supercharger on low octane, that wouldnt fix the problem anyway....go get a tune.
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