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Best Fuel System Cleaner? #4431289
06/14/17 12:05 PM
06/14/17 12:05 PM
Joined: Mar 2015
Posts: 5,158
Glendale, Arizona
billt460 Offline OP
billt460  Offline OP
Joined: Mar 2015
Posts: 5,158
Glendale, Arizona
Is there even one? If so, which have you had the best luck with? I'm talking about the, "pour in the tank and drive", fuel system and fuel injector cleaners. I've heard Gumout Multi-System Tune Up is good for the newer engines. I know one can doesn't do much. Most people run several cans through before they notice a change. There are so many of these types of engine cleaners on the market, I wondered if one is any better than the other. Also, can any of them damage your catalytic converter?

https://gumout.com/multi-system-tune-up/

Re: Best Fuel System Cleaner? [Re: billt460] #4431290
06/14/17 12:14 PM
06/14/17 12:14 PM
Joined: Mar 2016
Posts: 1,013
PA,US
HemiHawk Offline
HemiHawk  Offline
Joined: Mar 2016
Posts: 1,013
PA,US
I've searched and never found any real evidence that any of them do very much. Youtube wrench ChrisFix tested a couple with varying results, but most were unimpressive. I used Redline's SI-1 several times, no idea if it had any impact. On my old 4.0 Jeep it seemed to help with some pinging/stalling off the line but thats about it.

The one thing I've seen that was actually studied was the effects of top tier fuel on valve and piston cleanliness. Seems that has the biggest impact. It would work overtime of course, but it doesn't seem there is a magic bottle/can on the market that will do it in one tank anyway.


2016 Nissan Frontier Pro4x
2017 VW GTI sport
1995 Mustang GTS
Re: Best Fuel System Cleaner? [Re: billt460] #4431303
06/14/17 12:24 PM
06/14/17 12:24 PM
Joined: Feb 2008
Posts: 1,311
the South
Hollow Offline
Hollow  Offline
Joined: Feb 2008
Posts: 1,311
the South
If only there were an entire subforum dedicated to this very topic...

Re: Best Fuel System Cleaner? [Re: billt460] #4431331
06/14/17 12:52 PM
06/14/17 12:52 PM
Joined: Oct 2008
Posts: 868
MA USA
andrewp1998 Offline
andrewp1998  Offline
Joined: Oct 2008
Posts: 868
MA USA
chris fix had good results with seafoam. i have seen decent results with chemtool as well


2001 Honda civic HX vtecE- 5 spd,232k+
Re: Best Fuel System Cleaner? [Re: billt460] #4431356
06/14/17 01:19 PM
06/14/17 01:19 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
The best means consistent, frequent periodic treatment. A little each time, not one big blast every now and then. This includes using good fuel and keeping up with the filter(s).

Re: Best Fuel System Cleaner? [Re: billt460] #4431361
06/14/17 01:23 PM
06/14/17 01:23 PM
Joined: Aug 2009
Posts: 3,294
Ohio
Tdbo Offline
Tdbo  Offline
Joined: Aug 2009
Posts: 3,294
Ohio
I used to think not much, although I used a bottle of Techron at every OC.
However, I dumped a bottle of Berryman's Chemtool into the Ranger.
The truck now runs the best it ever has in the nine years that I have had it.


2012 Honda Accord LX-P 94K
2008 Ford Mustang Pony Package Convertible 17K
2006 Honda Odyssey EX-L 76K
2003 Ford Ranger 3.0 Supercab 113K
Re: Best Fuel System Cleaner? [Re: billt460] #4431379
06/14/17 01:40 PM
06/14/17 01:40 PM
Joined: Aug 2014
Posts: 1,453
Gulf Coast, MS
3800Series Offline
3800Series  Offline
Joined: Aug 2014
Posts: 1,453
Gulf Coast, MS
Fuel system cleaner's don't do much. They have a purpose and I feel it's mainly intended for vehicles which where not properly maintained.

If your vehicle us running well the cleaner shouldn't make much difference but if it's some teens first car and it's running poorly or has a bad throttle position sensor it can help clean some of the build up caused by it running poorly.

9 times out of 10 if in using a cleaner it's on a car that is hard to start. It works well in this case. I remember when I bought our Regal a few years back. Car took 6-7 tries to start each morning.

After a quick tune up nothing really changed until I dumped a few bottle's of cleaner into the the tank. Since then it's started first try every time for nearly two years.

This is the most noticeable change for me.

Re: Best Fuel System Cleaner? [Re: billt460] #4431490
06/14/17 03:43 PM
06/14/17 03:43 PM
Joined: Oct 2011
Posts: 5,091
USA
NHGUY Offline
NHGUY  Offline
Joined: Oct 2011
Posts: 5,091
USA
ChemTool is one of the harshest chemical mixes you can buy.That said,I would use it sparingly and only when really needed.That being said I use it and have had some success with it.Seafoam is largely pale oil and isopropyl.I don't know why it supposibly works as well as it does for some people..its not aggressive at all.

Re: Best Fuel System Cleaner? [Re: billt460] #4431516
06/14/17 04:00 PM
06/14/17 04:00 PM
Joined: May 2017
Posts: 127
South Texas Rancho
TexasVaquero Offline
TexasVaquero  Offline
Joined: May 2017
Posts: 127
South Texas Rancho
IAM gonna use Scotty Kilmer's advice on this.( He has a phD in chemistry) and recommend techron if your car is for starters on good condition, if you need to get rid of water in your fuel.




He's said chemtool is very good as well as Gomout.


2014 NISSAN VERSA 5spd M/T- M1 EP 5w30 and M1 EP Filter. 5k OCI.
2011 CHEVY IMPALA 3.5ltrs - M1 HM 5w30 and M1 EP Filter. 3k OCI.
Re: Best Fuel System Cleaner? [Re: billt460] #4431609
06/14/17 05:47 PM
06/14/17 05:47 PM
Joined: Aug 2012
Posts: 212
Upstate S.C.
The_Captain Offline
The_Captain  Offline
Joined: Aug 2012
Posts: 212
Upstate S.C.
In my opinion any product with a good dose of PEA works well. Redline and Gumout both have PEA.


2017 Jeep Wrangler Unlimited 4x4 with Castrol Full Synthetic (gold bottle) with Fram Ultra oil filter.
Re: Best Fuel System Cleaner? [Re: billt460] #4431638
06/14/17 06:08 PM
06/14/17 06:08 PM
Joined: Mar 2016
Posts: 1,255
CA
CharlieBauer Offline
CharlieBauer  Offline
Joined: Mar 2016
Posts: 1,255
CA
Yep, PEA is a proven cleaner and at higher concentrations will perform a one tank clean up.

In lower concentrations, it will clean fuel injectors and in even lower concentrations, it will keep clean as it does in Top Tier fuel.

Costco had the additives in their top tier fuel tested and they have enough concentration to perform gradual cleaning.

If you use the one tank cleaner and notice no difference, that's good news! It means your system is clean.

PEA is a pretty generic additive so I buy whichever out of Techron or Gumout's one tank products is cheapest per gallon treated. But, I almost exclusively use top tier gas, so I only use it every 2 to 3 years.


It ain't what you don't know that gets you into trouble. It's what you know for sure that ain't so.

- mistakenly attributed to Mark Twain
Re: Best Fuel System Cleaner? [Re: The_Captain] #4433068
06/16/17 06:52 AM
06/16/17 06:52 AM
Joined: Jun 2015
Posts: 4,412
New England
Virtus_Probi Offline
Virtus_Probi  Offline
Joined: Jun 2015
Posts: 4,412
New England
Originally Posted By: The_Captain
In my opinion any product with a good dose of PEA works well. Redline and Gumout both have PEA.


The Gumout Regane products have PEA, and I think there is one other high priced Gumout product that also contains it, but it's not in the whole Gumout line.
Same thing with Techron now, there is a lower priced product in their line with little to no PEA.


2014 Forester XT, 90000 miles
Last Change;
M1 5W30 d1G2
Tokyo Roki 15208AA170 filter
Re: Best Fuel System Cleaner? [Re: billt460] #4903464
10/22/18 08:36 PM
10/22/18 08:36 PM
Joined: Mar 2008
Posts: 1,318
Arizona
AzFireGuy79 Offline
AzFireGuy79  Offline
Joined: Mar 2008
Posts: 1,318
Arizona
Gumout seems like a decent product (complete and the high mileage one). Last time I checked RedLine S1-1 had the largest percentage of PEA of any fuel injector cleaner available. It also has a upper cylinder lubricant. I have personally used both Regane and Redline. Redline is my product of choice about 3 times a year coupled with only running top tier gasoline.

Re: Best Fuel System Cleaner? [Re: billt460] #4905789
10/25/18 02:07 PM
10/25/18 02:07 PM
Joined: Jan 2018
Posts: 134
Central Texas
Brian553 Offline
Brian553  Offline
Joined: Jan 2018
Posts: 134
Central Texas


17 Rio 50k............M1Euro+Delvac 5k
08 Rav4 V6 138k..Delvac-5k
14 Tiger 800 8k....Valv syn-3k
12 NC700X 4k .....Valv syn+RT5-5k
"The carpenter's rule is 'measure twice, cut once.'" -Stephen Covey
Re: Best Fuel System Cleaner? [Re: billt460] #4908977
10/29/18 06:52 AM
10/29/18 06:52 AM
Joined: Oct 2018
Posts: 61
Michigan
Diesel12 Offline
Diesel12  Offline
Joined: Oct 2018
Posts: 61
Michigan
I have great luck with this additive even running Ethanol.
https://www.schaefferoil.com/documents/34-131C-td.pdf


1998 Dodge Neon-Rebuilt 2.4L-Schaeffer 5w40
2014 Dodge Durango 3.6, 56K- Schaeffer 5w-20
2002 Ram 2500 Cummins 125K- Schaeffer 5w-40
2008 Dodge Avenger 220K Schaeffer 5w-20
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