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So... This very well could have been talked about but does anyone recommend using any type of fuel additive to prevent carbon buildup? I've read a bit about DI engines recently and it would make sense to use some sort of fuel cleaner from time to time. However, I don't see this as a recommendation in the manual. It does say to use Top Tier gas though. I assume that means high octane.
 

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Top Tier Gas is a "Trade Name" that most of the Major Fuel Brands have agreed to use a certain level of detergents in their fuel additive package. Premium is not needed in G1 or G2, it's recommended in the G1 Owners Manual when Towing.

YMMV
 

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In my opinion, just use top tier non-premium fuel and you should be ok. If you want an additional fuel cleaner to make you feel good and you have the disposable income then go for it.
 

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I used AMSoil performance improver and its running great
 

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So... This very well could have been talked about but does anyone recommend using any type of fuel additive to prevent carbon buildup? I've read a bit about DI engines recently and it would make sense to use some sort of fuel cleaner from time to time. However, I don't see this as a recommendation in the manual. It does say to use Top Tier gas though. I assume that means high octane.
Here is an interesting article I recently found. At one point, it mentions that using a cleaner when unneeded can contribute to carbon deposits building up, but later they say that regular use will not cause harm. They also suggest using right before an oil change because they tend to remove carbon deposits (which have to go SOMEWHERE.)

Anyway, worth looking at.

PS - I personally like Techron and Seafoam...

https://www.autoguide.com/top-15-best-fuel-injector-cleaners
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So... This very well could have been talked about but does anyone recommend using any type of fuel additive to prevent carbon buildup? I've read a bit about DI engines recently and it would make sense to use some sort of fuel cleaner from time to time. However, I don't see this as a recommendation in the manual. It does say to use Top Tier gas though. I assume that means high octane.
You’re referring to the carbon build up on the intake valves. No fuel additives will help with this as no fuel goes over the intake valves in our DI engine. If you’re really concerned you can add a catch can. But I wouldn’t worry about it, unlike other manufacturers Honda designed their DI engines pretty well to minimize the build up.
 

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I used AMSoil performance improver and its running great
I use Techron (get it at Walmart) and only use it about every 3 to 6 months.
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I DON'T use Amsoil or Techron, and mine is running great! <img src="http://www.ridgelineownersclub.com/forums/images/smilies/wink.gif" border="0" alt="" title="Wink" class="inlineimg" />

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Lol good one...what's your odometer reading now?
 

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I used to use a fuel system cleaner in the 1960s and 1970s. The cars would very slowly start to run poorly and a cleaner once a year made a big improvement. Fortunately, gasoline has improved greatly since then and the rare times I add a can now, there is no improvement in the way the vehicles run. I also buy top tier fuels now instead of the cheap stuff. I don’t think top tier fuels existed back then.
 

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I use SeaFoam in everything that has an engine.
Me too. But don't tell anyone!

I especially like to put a few ounces in the crankcase a few hundred miles before an oil change. Why?
Because it makes me feel like I'm doing something good for the motors I'm trying to drive for one MILLION miles.
one_MILLION.jpg
 

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If one believes removing *some* carbon build up on piston tops means similar results for valve seats/surfaces, then this video might be encouraging:https://www.youtube.com/watch?v=u6UeJXkzDW8
It would be nice to know if the owner of the Civic featured in the video was using top tier gasoline or not. Otherwise, it is apples vs. oranges.
 

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It would be nice to know if the owner of the Civic featured in the video was using top tier gasoline or not. Otherwise, it is apples vs. oranges.
Agreed, that would be a nice data point.

But apples to oranges?

I saw it as Seafoam's positive effect on the combustion chamber, regardless what fuel caused the "issue".
Plus
Not every driver owns a vehicle from the first tank of fuel forward, so knowing a product can (at least partially) compensate for sins of a previous owner might be comforting.
 

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Agreed, that would be a nice data point.

But apples to oranges?

I saw it as Seafoam's positive effect on the combustion chamber, regardless of what fuel caused the "issue".
Plus
Not every driver owns a vehicle from the first tank of fuel forward, so knowing a product can (at least partially) compensate for sins of a previous owner might be comforting.
If the Civic owner had been using top tier fuel to start with he may not have had any deposits for the SeaFoam to work on.
 

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BG44k has good reviews on Bobistheoilguy.com
Redline SL-1 also has great reviews.
(Ran two bottles through a tank of BP 89 when I bought my truck and greatly improved the response after being sluggish the first 2000 miles I drove it, also did the BG EPR and MOA at first ownership oil change)
Techron for economy cleaner.
Seafoam @5% in lawn equipment when I don't use ethanol-free.

Good fuel is always a must when shooting for longevity.
A good portion or build up will come from EGR and manifold vacuum tubes without a catch can set up. Ran one on my wife's Pilot for 80K after buying it new and emptied a little over 2 oz out the can.

0.02
 
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