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  #121  
Old 09-06-2013, 04:26 PM
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Follow up on my post, did the seafoam and drove 30 miles home from work and changed the oil and already up from 14.9 mpg to 15.1 mpg and its running smoother and no hesitation.
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Old 07-17-2014, 05:21 AM
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Re: How To: Sea Foam Automotive Treatment

Just did my first ever seafoam treatment on the 08 5.7l. I used this write up and some info from the comments. I got 2 bottles off amazon on sale for 6.99 each. Full bottle went into 1/2 tank of gas. 1/2 bottle each into oil and break booster line.

I got a rather large puff of smoke and was also able to confirm an exhaust leak that my dealer swears doesn't exist but I fricken always hear and it drives me nuts. As the engine began to smoke I saw a small puff come from under center of the truck. I suspect a gasket or something at one of the connections.

Anyway, it's only been in the truck for about 40 miles. I will be doing plugs, PVC, egr, map, oil change, and serpentine belt this weekend. I think I already see an improvement but nothing major at all. I'll report back after the full tune up.
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  #123  
Old 04-13-2015, 12:16 PM
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Re: How To: Sea Foam Automotive Treatment

Anybody have bad idle after doing the seafoam?

I put full bottle into a (nearly) full gas tank, and 1/2 bottle in oil and brake booster line.

I couldn't get the car to idle on its own after the smoke stopped. I pulled the brake booster line and fired it up no problem. idle was fine. After I popped it back on it stalled out. I then fired it up and hit the gas then immediately switched it into gear. It kept it's drive idle fine after that and i took it on the highway for about 20 mins at 65mph speeds. Let it sit overnight. Fired it up this morning and it idled fine. It drove like an angel this morning to work (1 hr)

when I got to work it stalled as soon as i put it into park.

At lunch I fired it up and it's idling, just bouncing off zero

I will be getting an oil change tonight after work and i just ordered NTK spark plugs for next weekend.

05' Laredo 4.7L with 120k miles..
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  #124  
Old 04-13-2015, 06:03 PM
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Quote:
Originally Posted by kujata View Post
Anybody have bad idle after doing the seafoam?

I put full bottle into a (nearly) full gas tank, and 1/2 bottle in oil and brake booster line.

I couldn't get the car to idle on its own after the smoke stopped. I pulled the brake booster line and fired it up no problem. idle was fine. After I popped it back on it stalled out. I then fired it up and hit the gas then immediately switched it into gear. It kept it's drive idle fine after that and i took it on the highway for about 20 mins at 65mph speeds. Let it sit overnight. Fired it up this morning and it idled fine. It drove like an angel this morning to work (1 hr)

when I got to work it stalled as soon as i put it into park.

At lunch I fired it up and it's idling, just bouncing off zero

I will be getting an oil change tonight after work and i just ordered NTK spark plugs for next weekend.

05' Laredo 4.7L with 120k miles..
Its probably the gas thats killing you. Ive put more in my oil and vacuum line and its been fine. Never put that much into a nearly full gas tank before. Your supposed to put it in less than quarter of gas and run it out till its almost completely empty.
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  #125  
Old 04-20-2015, 01:48 PM
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Re: How To: Sea Foam Automotive Treatment

I thought it was supposed to be added to a full tank? Could've been the crappy winter blend gas as well.

It's all fine now. I burnt up the rest of that tank and changed my spark plugs. Purring like a kitten.
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