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Old 02-24-2011
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Ruff idle after Sea Foam, check engine light on

I used sea foam today and the light came on. It starting running ruff and shaking. I put more gas in to dilute it, it helped but it still has the issue. Should I reset the computer by unhooking the battery? I heard it also could be a carbon build up on the plugs, or the O2 sensor. Should I just get the codes pulled? Any ideas would be great.
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Old 02-24-2011
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I think you are supposed to change your plugs after you seafoam it. I could also be a whole bunch of camel snot crap that coats the exhaust after you use it, I have seen a few bad cases of that happening on outboard motors. Personally I don't want to see that gunk anywhere near my O2 sensors and catalytic converter, so no sea-foaming for me.
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Old 02-25-2011
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I would get the codes. Autozone and Advance Auto usually do them for free. Then you can do the research. Did it fix itself?
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Old 02-25-2011
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Change / clean the plugs.
It is common for one or more to foul after a seafoam treatment .
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Old 02-25-2011
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Its supposed to start like crap. It took me a second crank to get my rig started. Then it mellowed out, and gave it some gas for the smoke show! Take it for a good rip on the hwy. I dumped 3/4 bottle in my brake booster vac line and the remainder in the fuel tank. Runs great.

Last edited by Timberwolf; 02-25-2011 at 03:36 PM.
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Old 02-25-2011
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Quote:
Originally Posted by russian
I used sea foam today and the light came on. It starting running ruff and shaking. I put more gas in to dilute it, it helped but it still has the issue. Should I reset the computer by unhooking the battery? I heard it also could be a carbon build up on the plugs, or the O2 sensor. Should I just get the codes pulled? Any ideas would be great.
How did you use it?
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Old 02-25-2011
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i always used seafoam right before every 5 oil changes and did a tune up also... it was about once a year... i change the plugs every winter whether they are bad or not
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Old 02-25-2011
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Quote:
Originally Posted by 4.0XLT143
i always used seafoam right before every 5 oil changes and did a tune up also... it was about once a year... i change the plugs every winter whether they are bad or not
New plugs every year?
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Old 02-25-2011
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Truck fixed itself, just had to run it threw the system.
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Old 02-25-2011
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Seafoam is the shi*t. It might be the best stuff on earth.
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Old 02-25-2011
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New plugs every year?
yea it only cost about 20 bucks and it helps gas mileage....
i change my plugs every 6 months in my tbird....
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Old 02-26-2011
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Originally Posted by 4.0XLT143 View Post
yea it only cost about 20 bucks and it helps gas mileage....
i change my plugs every 6 months in my tbird....
Nice. I change my plugs every 7 or 8 years, whether it needs it or not. It is time to do it again. Once it is warm enough outside.

Glad it fixed itself.
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