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02 fouler and p0421

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Old May 31, 2013, 03:53 PM
  #16  
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Well a couple months later and 4 parking tickets for expired tags later. I ended up having to take it to a shop and paid $50 for them to torch it, soak it and the the o2 came off like butter. Seems to be no harm done they even installed my lil fouler for me and drilled it out because I didnt give the o2 sensor enough room. Got the battery unhooked and hopefully this works.

I was about to start another thread asking if there was a way to just delete cel's through some software management platform...
Old May 31, 2013, 04:12 PM
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You could with a evo rom but it would be more trouble than its worth. Just get use to the light man. Change it to a color that doesn't hurt your eyes as much. LOL
Old May 31, 2013, 04:30 PM
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Originally Posted by jakermeister
You could with a evo rom but it would be more trouble than its worth. Just get use to the light man. Change it to a color that doesn't hurt your eyes as much. LOL
hahah yea its not an aesthetics thing, its a smog thing.

but just out of curiosity can you link me some information on using an evo rom on an es and what not? thanks!
Old May 31, 2013, 05:32 PM
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With my rom i still have a CEL even on a evo rom. Basically a lose lose situations. One CEL replaces it with another. Just search the forum man. Use google. Just add "evolutionm.net" to your search.
Old May 31, 2013, 09:08 PM
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Originally Posted by jakermeister
With my rom i still have a CEL even on a evo rom. Basically a lose lose situations. One CEL replaces it with another. Just search the forum man. Use google. Just add "evolutionm.net" to your search.
What cel are you getting jake? The only cel I have gotten that is due to the evo rom itself is for the fuel level sensor. Ryan and myself have both gotten it I disabled that particular obd code since it is for sure caused by the evo rom as there is nothing wrong with my fuel level sensor, well I guess the boost solenoid cel too but that is a given. Other than those I have not had any cel issues, it still operates properly when I have an actual problem.
Old Jun 3, 2013, 09:33 PM
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just an update the fouler worked, my cel hasnt returned since. been 50+miles and 10+ trips
Old Jun 4, 2013, 04:01 AM
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Originally Posted by tbiggs
just an update the fouler worked, my cel hasnt returned since. been 50+miles and 10+ trips
what exactly does the fouler do?
Old Jun 4, 2013, 07:14 AM
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Originally Posted by eusgen
what exactly does the fouler do?
It pulls the rear o2 sensor out of the direct exhaust stream causing it to receive cleaner air which tricks the ecu into thinking the cat is working great
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