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

Engine Code

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Old Mar 4, 2008 | 05:52 PM
  #1  
manudevil20's Avatar
manudevil20
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Joined: Jan 2008
Posts: 37
Default Engine Code

Hey everybody. I just installed my new Mishimoto Radiator for my 99 GT. The engine light is now on because it is running a lot cooler. I was wondering if there was any way to fix this. I was thinking maybe a new thermostat but i am not sure. Any help? Thanks
Old Mar 4, 2008 | 06:42 PM
  #2  
Chopper's Avatar
Chopper
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Joined: Feb 2004
Posts: 2,028
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Default RE: Engine Code

The radiator won't have anything to do with the engine temp unless it's too small to cool the engine.
Get a newthermostat and reset the MIL.
Old Mar 4, 2008 | 07:23 PM
  #3  
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Obsequious1
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Joined: Feb 2008
Posts: 2,801
From: Greenlane, Pa.
Default RE: Engine Code

I agree.. Your CEL shouldn't go on if your engine is cool?
Old Mar 5, 2008 | 01:06 AM
  #4  
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manudevil20
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Joined: Jan 2008
Posts: 37
Default RE: Engine Code

Well it turns off and on. Normal city driving it stays off but if i get on the freeway at night it comese on. The temp gauge stays at the C. My car is completely stock but the radiator. I couldnt only find another radiator for 135 so i just bought the mishimoto.
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