They are only used on the after-cat O2's which are used to track converter
efficiency for OBDII compliance. They are not used on the front 2 sensors
which the computer uses to verify a/f ratio.
--
Mike
Silver 10th Anniversary Cobra Coupe
---

wrote:
> oic... but wouldn't that affect gas mileage & how the car performs?
> since it isn't an accurate reading?
>
> -Mike
>
>
> "2.3Sleeper" > wrote in message
> ...
>> MIL eliminators trick the computer. On the newer model cars, the
>> check engine light will go one when you go to an O/R X or H pipe.
>> The Mil's plug into the O2 sensor wires, tricking the computer.
>>
>> Don Manning
>>
>>
>> > wrote in message
>> om...
>>> First off... let me just say.. I am *not* getting an off-road
>>> crossover pipe. BUT... I do wonder what MIL eliminators are (I
>>> almost typed MILF hehe caught myself though) and how they work. As
>>> far as I know, they supposedly replace O2 sensors?? Would you need
>>> MIL eliminators with an H-pipe that only had 2 hi-flow cats? TIA.
>>>
>>> -Mike
>>>
>>> --
>>> A happy kid behind the wheel of a 98 Mustang GT
>>> Cold air intake
>>> FRPP 3.73 gears
>>> Steeda Tri-Ax Shifter
>>> Full Boar turbo mufflers
>>> Hi-speed fan switch
>>> 255/60R-15 rear tires
>>> Subframe connectors
>>>
>>>
>>>
>>>
>>
>>
>> ---
>> Outgoing mail is certified Virus Free.
>> Checked by AVG anti-virus system (http://www.grisoft.com).
>> Version: 6.0.799 / Virus Database: 543 - Release Date: 11/19/2004