How TO: CEL/MIL Eliminator!

bonesmp5 said:
can doing the cel fix cause poor gas milage ?????

i had a full take before doing the cel fix -- when it got empty i had only driven 240 miles after the cel fix -- i allways get around 330 when empty --- so why such a big change -- maybe because i reset my ecu ?? well i filled up today so we will see if this continues -- hope not :(
ok for those interested -- i filled up today which is the second fill after the install of the header and MIL -- as you can see the first tank was bad -- but today when the light came on i was at 308 miles -- this is almost as good as i use to have -- about 15 -20 miles less for the tank --- so we will see :)
 
Glad to see that your gas mileage has risen. I have noticed the same thing when i had my CEL!

Chas
 
I have read through this whole thread. I tried the cel trick on my 2nd gen because i have no rear 02 sensor due to an engine swap. Do you have to have an 02 sensor in the exhaust for it to work? Or can you just leave a sensor hanging. Or can you do it with no 02 sensor at all? I just dont understand how this trick works. Someone finally take the time to explain how this works!! Does it cut the signal from the 02 sensor in half? Does it raise it? What the hell does it do!
 
Ive done this mod and it seems to work. No CEL during testing. I have the 02 sensor ziptied in my engine compartment. The sensor gets very hot, is this normal? I know its a heated sensor, but I thought the heater was turned on only during warmup.
Thanks!
 
Ive done this mod and it seems to work (no CEL). I have the sensor tied up in my engine compartment. This sensor gets really hot, is this normal? I know its a heated sensor, but I thought the heater was on only during warmup.
 
thats because it acts like a heat sink, the warmth from the engine heats it up, mine did too but its better if you throw it back into the pipe somehwere
 
can someone who has done this AND IT WORKED PERFECTLY for them please post the exact parts used. Ive tried 3x and after about 50 miles its back on again.

Thanks
 
i dunno what the part #'s were for it all, but heres a pic... i guess you could jot down the markings on the larger part and get that piece, the other smaller ones come in bundles of 5 i think and should be the easiest to find.

this setup pictured has lasted so far 3500 miles and counting.

hope it helps!
 

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dosle said:
i dunno what the part #'s were for it all, but heres a pic... i guess you could jot down the markings on the larger part and get that piece, the other smaller ones come in bundles of 5 i think and should be the easiest to find.

this setup pictured has lasted so far 3500 miles and counting.

hope it helps!

Are you just running a header or a turbo? The small part looks like mine. The larger one looks different. I'll go to radioshack tommarow and try to find it.
 
trbomp5 said:
Are you just running a header or a turbo? The small part looks like mine. The larger one looks different. I'll go to radioshack tommarow and try to find it.
just a header.

the larger part is a beefier piece than needed and it can not be hooked up backwards which was a good safety measure for me.
 
dosle said:
just a header.

the larger part is a beefier piece than needed and it can not be hooked up backwards which was a good safety measure for me.

Maybe thats my prob. Mine might have to be a certain way. Cool thanks for the help.
 
If you look back at one of my posts, it has the exact pics of the ones I used. Here they are:
 

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Bigg Tim said:
If you look back at one of my posts, it has the exact pics of the ones I used. Here they are:
That cap is even different from all the others I've seen. I'll try that too, why not.
 
trbomp5 said:
That cap is even different from all the others I've seen. I'll try that too, why not.
Don't know about anybody else, but I have had this combo on since the beginning of the thread and no issues. It has the part numbers you asked for, so this is at least 1 winning combo.
 
So, what do people think in terms of the most reliable fix ? The MIL fix or weld a new bung and move the 2nd O2 sensor ?
 

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