Look, my intake is off and this E85 issue? - DSM Forums: Mitsubishi Eclipse, Plymouth Laser, and Eagle Talon Forum: DSMtalk.com
 
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Old 02-24-2013, 06:55 PM   #1
Bradikus7
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Look, my intake is off and this E85 issue?

Hey guys, pulled my intake in favor of my JMF street and come to find out I have a nice build up of goo I'm assuming came from running straight E85. I'm wondering if there is something I can do to clean it off right now and also what I can do to prevent it in the future?

It seems like the closer to the cam gears, the worse it is. All my injectors were clear except for the one closest to the cam gears.











THIS video really shows it a ton better than the still shots.







Lastly, take a look at my knock sensor. Does it appear to be going bad? Would this cause me to have erratic knock or would it not read knock and potentially blow up my car? I'm thinking I better just buy a new one while it is easily accessed
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Old 02-24-2013, 09:21 PM   #2
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Re: Look, my intake is off and this E85 issue?

You should start running unleaded gas every couple thousand miles to clean up that goo. While the manifold is off, grab a rag a soak in brake cleaner. Its gonna be a little tricky though since its really thick.
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Old 02-25-2013, 09:18 AM   #3
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Re: Look, my intake is off and this E85 issue?

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You should start running unleaded gas every couple thousand miles to clean up that goo. While the manifold is off, grab a rag a soak in brake cleaner. Its gonna be a little tricky though since its really thick.
Yeah this was always the original plan, I just never got the second tune before I put her away for winter. Thanks for the tip on the brake clean and rag.
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Old 02-25-2013, 10:06 AM   #4
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Re: Look, my intake is off and this E85 issue?

I must be lucky. I have never had a problem with E85 ever. That does suck though.
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Old 02-25-2013, 06:11 PM   #5
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Re: Look, my intake is off and this E85 issue?

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I must be lucky. I have never had a problem with E85 ever. That does suck though.
Lol yeah, you must be. Do you run straight E85 all the time?
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Old 02-25-2013, 06:24 PM   #6
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Re: Look, my intake is off and this E85 issue?

Yes since about 2009.
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Old 02-25-2013, 06:42 PM   #7
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Re: Look, my intake is off and this E85 issue?

I have heard rumor (no idea if it is actually true) that buildup like this can come from e85 eating at non-ethanol compatible rubber fuel lines/seals/fuel tank.
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Old 02-25-2013, 07:07 PM   #8
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Re: Look, my intake is off and this E85 issue?

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I have heard rumor (no idea if it is actually true) that buildup like this can come from e85 eating at non-ethanol compatible rubber fuel lines/seals/fuel tank.
This sounds like a very believable scenario, however I've changed everything over to E85 compatible things. Walbro 450, Russel pro classic -6AN lines, FIC 2150's with new O-rings and Fuel lab filter housing with stainless element.
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Old 02-26-2013, 04:49 AM   #9
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Re: Look, my intake is off and this E85 issue?

I see this all the time at work, more so with direct fuel injection. But its believed that the ethanol in today's fuels are leaving this carbon type build up. We have to do cleaning's on intake ports where this builds up to the point it causes running issues. I have seen this as well on another dsm forum with guys running E85. You may want to consider running some fuel additives every now and then.
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Old 02-26-2013, 06:53 PM   #10
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Re: Look, my intake is off and this E85 issue?

Whew I've never seen splooge like that before?
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Old 02-27-2013, 04:52 AM   #11
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Re: Look, my intake is off and this E85 issue?

My co-worker accomplished this yesterday after doing a carbon cleaning on a 10 cylinder. This is also a fsi engine. This was just the stuff he scraped off/out. Then it was on to using chemicals to wash/scrub and suck out the rest.
(Typical magnetic round tray)
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Old 02-27-2013, 09:39 AM   #12
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Re: Look, my intake is off and this E85 issue?

A half can of seafoam every now and then will do the trick.
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