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Fuel System Cleaners - Fact Or Fiction

xxxHolic 32,846 5,714 October 18, 2016 at 12:47 AM
This tested.
Jun 9, 2011

http://www.superstreetonline.com/...-cleaners/

The Verdict:

Community Wiki

Last Edited by stufine October 19, 2016 at 04:21 AM

12 Comments

1

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#3
Fiction.

There, now no one else needs to fall for your clickbait. Interesting and well done study though.

I haven't ever expected them to actually clean anything, but I have seen them get a borderline car to pass emissions before.
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#4
Fiction for a engine using Direct Injection.
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Vague questions receive vague answers . . . . . .
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#5
Quote from Pedantyc View Post :
Fiction.

There, now no one else needs to fall for your clickbait. Interesting and well done study though.

I haven't ever expected them to actually clean anything, but I have seen them get a borderline car to pass emissions before.
clickbait? I have provided the tests. It's up to you to decide.
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#6
Quote from xxxHolic View Post :
clickbait? I have provided the tests. It's up to you to decide.
Clickbait meaning that you made me actually click the link to get the answer. Still interesting.
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#7
Quote from Pedantyc View Post :
Clickbait meaning that you made me actually click the link to get the answer. Still interesting.
I post it in wiki. Hope you like it.
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#8
Seems like marketing for RC engineering more than anything. I call their testing fiction.

But fuel injector cleaners are useful - when used consistently and not after a car has 100,000+ miles. It might help in the latter case but there's too much by then for them to deal with. Use them consistently every few thousand miles from new!

Its the same as good dental hygiene. Brush/floss correctly and consistently and there's very little they have to remove when you go visit your dentist for a cleaning. If you don't practice good dental hygiene, then you'll need deep cleanings and such because the damage has been done and a good brush/floss won't do very much.

That article and their methodology totally misses the point - fuel injector cleaners are to be used as periodic good maintenance, not to remove years of buildup.
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#9
Quote from LiquidRetro View Post :
Fiction for a engine using Direct Injection.
Actually the opposite - DI engines need the cleaners even more due to carbon buildup issues.
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#10
My diesel runs like crap with 'Kwik-E-Mart' fuel (although it is fun to 'roll coal' at the Prius behind you). Add a some diesel kleen to the tank, and all is well.

Never have any problems running on straight up Shell products.
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#11
gas has cleaners in it.
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#12
i usually get the el cheapo petrol from Murphy USA. and my Hyundai Sonata will eventually make a different rougher engine noise. When i use Exxon, Shell or Valero, the noise goes away. So every other tank or so i make a point of using top tier petrol.

Yes top tier petrol makes a difference in modern GDI engines.

I use Gas Buddy to find cheap gas around me
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#13
Quote from neteng101 View Post :
That article and their methodology totally misses the point - fuel injector cleaners are to be used as periodic good maintenance, not to remove years of buildup.
You're doing just that every time you put gas in your car. There's no evidence to suggest that a pour-in fuel cleaner does any more than modern gasoline, which all contains detergents. If you were concerned that you weren't getting enough detergents in Assco Gas, it would make more sense to choose a different brand of gasoline than it would to dump in a bottle of fuel injector cleaner every 3-5K miles. Anecdotally, I've put over 1 million miles (combined) on my last 3 cars and never added a drop of fuel injector cleaner. I never had so much as a clogged fuel filter let alone a clogged injector.

Quote from britdude View Post :
i usually get the el cheapo petrol from Murphy USA. and my Hyundai Sonata will eventually make a different rougher engine noise. When i use Exxon, Shell or Valero, the noise goes away. So every other tank or so i make a point of using top tier petrol.

Yes top tier petrol makes a difference in modern GDI engines.

I use Gas Buddy to find cheap gas around me
Well this article was about pour-in cleaners, rather than different brands of gasoline. That said, I have had no difference in performance with Wawa, Giant (supermarket), or Weis (supermarket) compared to Exxon, Mobil, Shell, etc. However, I have had problems when using some of the no-name independent stations. Is it because they contain bare minimum detergent levels? Maybe. It's also possible their tanks are contaminated. Last year a PA station got shutdown because the tanks got contaminated with water and customers' cars were dying after filling up.
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