Originally Posted by bumpin96monte (Post 343250)

Sorry- really off topics here:



Indiana I assume? Are you going to Purdue? MET grad '08 here- woot!

Originally Posted by abro22 (Post 343131)

About a week ago, I got the infamous P0420 code and have been meaning to change the cat, but haven't gotten the chance the past few days. Regardless, I decided to fill the tank up with E85 yesterday (regular unleaded here is around $3.65/Gal whereas E85 is $3.03) and after roughly 20 min of driving, my P0420 code went away and the feeling of backpressure that was there (preventing me from speeding lol) is now gone.

Question is: does E85 burn that differently??? I mean, it burns at a higher temp because of the ethanol.. but other than that? I just found it interesting that it burns differently enough that it can pass through the cat with ease, where regular gasoline just builds up pressure..

Originally Posted by 06-montelt2 (Post 343436)

Ive been running E85 lately, actually every fill up for the past 2 months... Im not quite sure if i can see a difference in performance, i mean i havnt tested the gains in any way. I actually did switch to E85 in attempt to cure a problem that i thought could be my cat, but it did not work/help. Im just curies too what should be expected from E85? is it going to help our cars live a little longer or something lol?

Originally Posted by zipper (Post 343222)

Ethanol is a clean fuel. Whenever you burn ethanol in your engine, you're also cleaning everything that the ethanol goes through. If your O2 sensor was dirty, it COULD have cleaned it (although I would be a little surprised by that).

I highly recommend running ethanol in vehicles as long as your PCM is ready for it. It's a great high octane fuel.