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Fuel System Cleaner every 7k #4557319
10/28/17 01:30 PM
10/28/17 01:30 PM
Joined: Oct 2007
Posts: 952
South East Asia
kr_bitog Offline OP
kr_bitog  Offline OP
Joined: Oct 2007
Posts: 952
South East Asia
I noticed in my area, the car with fuel injection will drop fuel mileage and lost acceleration after 6-7.5k which will be restored with half tank of fuel mixed with Redline SI-1. This happens with all the common Top Brand Fuel like Mobil, Shell and Caltex.
SO I am wondering if that is normal to add those fuel system to maintain system performance ?

Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557361
10/28/17 01:56 PM
10/28/17 01:56 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
I use a little bit of Chevron or Red Line fuel additive every tank. I don't know if it's really needed except for the fact that I tend to keep vehicles and do all my own maintenance and think it's worth the trouble to avoid problems in the future. Every oil change at 10K the cars get a whole bottle. So far I've never had a fuel related problem, no failed injectors or flow sensor or anything else. The spark plugs that came out at 100K in my V8 4Runner looked like new. I changed them, anyhow.

Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557362
10/28/17 01:57 PM
10/28/17 01:57 PM
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
I add a bottle of my fuel cleaner of choice on the tank of gas right before an oil change. This way any that blows past the rings into the oil is changed out with the oil. (Well most of it anyway).

Been doing this forever and never had any issues with fuel related components and my injectors spray nice/clean and I pass all my SMOG tests.

thumbsup

Last edited by StevieC; 10/28/17 01:58 PM.

'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557481
10/28/17 04:23 PM
10/28/17 04:23 PM
Joined: Sep 2012
Posts: 2,221
London, England
bigjl Offline
bigjl  Offline
Joined: Sep 2012
Posts: 2,221
London, England
I get Redex cheap at Costco and use that every month in all the petrol vehicles.

The S Class gets Shell V Power once a month


16 S350d LWB 25k Mobil Super 3000 XE 5w30
17 Smart ForFour Auto 6.5k Mobil 1 0w40 FS
Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557489
10/28/17 04:27 PM
10/28/17 04:27 PM
Joined: Sep 2014
Posts: 1,487
Toronto Canada
WobblyElvis Offline
WobblyElvis  Offline
Joined: Sep 2014
Posts: 1,487
Toronto Canada
I've never used a fuel system cleaner and never had a fuel system problem. Maybe the fuel already has cleaners in it here in Canada.

Re: Fuel System Cleaner every 7k [Re: WobblyElvis] #4557626
10/28/17 06:24 PM
10/28/17 06:24 PM
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,194
ON, Canada eh?
Originally Posted By: WobblyElvis
I've never used a fuel system cleaner and never had a fuel system problem. Maybe the fuel already has cleaners in it here in Canada.


Most fuel in Canada is Top-Tier and has increased detergency because of that, so that might be why. wink


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557890
10/28/17 09:53 PM
10/28/17 09:53 PM
Joined: Nov 2008
Posts: 9,277
Phoenix
dishdude Offline
dishdude  Offline
Joined: Nov 2008
Posts: 9,277
Phoenix
Yep, stick to top tier and never buy fuel cleaners. Not sure that helps the OP, being in Asia. Isn't SE Asia called India?


2018 Challenger SRT 392 PUP 0w-40 Wix 57899XP
2018 GTI
Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4557928
10/28/17 10:42 PM
10/28/17 10:42 PM
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,965
MTL, CANADA
How are you measuring this perceived loss of mileage and acceleration?


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4558164
10/29/17 08:10 AM
10/29/17 08:10 AM
Joined: Oct 2007
Posts: 952
South East Asia
kr_bitog Offline OP
kr_bitog  Offline OP
Joined: Oct 2007
Posts: 952
South East Asia
I did track mileage for all cars, when it drops more than 5% consecutively and pickup is not instant with the depressing gas pedal, typically i would suspect the problem is coming back

Re: Fuel System Cleaner every 7k [Re: kr_bitog] #4558239
10/29/17 08:58 AM
10/29/17 08:58 AM
Joined: Dec 2002
Posts: 42,293
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,293
New Jersey
No idea what fuel quality is like in SE Asia. In NA, the sales logic is either a cleaner dose every so often, or else a maintenance dose for more OCD BITOGers. Since some adds include lubricity improvers, the small bit per tank is more logical, but less convenient.

Over here there are brands that guarantee "top tier" additive levels, and then other brands which are as low as the EPA mandated minimums, or someplace in-between.

Re: Fuel System Cleaner every 7k [Re: StevieC] #4558251
10/29/17 09:11 AM
10/29/17 09:11 AM
Joined: Apr 2008
Posts: 511
Miami Beach
Tahoe4Life Offline
Tahoe4Life  Offline
Joined: Apr 2008
Posts: 511
Miami Beach
Originally Posted By: StevieC
Originally Posted By: WobblyElvis
I've never used a fuel system cleaner and never had a fuel system problem. Maybe the fuel already has cleaners in it here in Canada.


Most fuel in Canada is Top-Tier and has increased detergency because of that, so that might be why. wink


I have never used fuel system cleaner. I have been burning Mobil 87 regular [99% of the time] on all my vehicles since the early 70's.


2016 Chevrolet Tahoe LT
Mobil 1 0w20 AFE or EP
AC Delco Filters
Re: Fuel System Cleaner every 7k [Re: dishdude] #4559030
10/30/17 06:50 AM
10/30/17 06:50 AM
Joined: Sep 2012
Posts: 2,221
London, England
bigjl Offline
bigjl  Offline
Joined: Sep 2012
Posts: 2,221
London, England
Originally Posted By: dishdude
Yep, stick to top tier and never buy fuel cleaners. Not sure that helps the OP, being in Asia. Isn't SE Asia called India?


Do you really think SE Asia is called India?


16 S350d LWB 25k Mobil Super 3000 XE 5w30
17 Smart ForFour Auto 6.5k Mobil 1 0w40 FS
Re: Fuel System Cleaner every 7k [Re: WobblyElvis] #4559043
10/30/17 06:59 AM
10/30/17 06:59 AM
Joined: Sep 2012
Posts: 2,221
London, England
bigjl Offline
bigjl  Offline
Joined: Sep 2012
Posts: 2,221
London, England
Originally Posted By: WobblyElvis
I've never used a fuel system cleaner and never had a fuel system problem. Maybe the fuel already has cleaners in it here in Canada.


They donít prevent problems, they just keep things cleaner.

A bit like saying I never brush my teeth but have never had any problems with eating or my appetite. You can still eat with dirty or decayed teeth.

In my experience low quality fuel affects diesels more than petrols, or perhaps a lower quality additive package would be more accurate?

Fuel cleaners do work in my experience and opinion.

Fifth Gear did a report on getting an old car back into shape years ago. It was a well looked after VW Corrado.

The biggest improvement was from using Redex. Am doing the results were confirmed on a rolling road.

They form part of my preventative maintenance regime, and are added when I buy a used car aswell.

Last edited by bigjl; 10/30/17 07:02 AM.

16 S350d LWB 25k Mobil Super 3000 XE 5w30
17 Smart ForFour Auto 6.5k Mobil 1 0w40 FS
Re: Fuel System Cleaner every 7k [Re: Rolla07] #4559044
10/30/17 07:05 AM
10/30/17 07:05 AM
Joined: Sep 2012
Posts: 2,221
London, England
bigjl Offline
bigjl  Offline
Joined: Sep 2012
Posts: 2,221
London, England
Originally Posted By: Rolla07
How are you measuring this perceived loss of mileage and acceleration?


Can you not tell when your cars lacks a little power or develops a slight flatspot?

If you get 350miles to a tank for the first couple of years, then it drops to 340, 330 etc.

Can you perceive me the slight drop in performance with the AC on?


16 S350d LWB 25k Mobil Super 3000 XE 5w30
17 Smart ForFour Auto 6.5k Mobil 1 0w40 FS
Re: Fuel System Cleaner every 7k [Re: dishdude] #4559047
10/30/17 07:08 AM
10/30/17 07:08 AM
Joined: Sep 2012
Posts: 2,221
London, England
bigjl Offline
bigjl  Offline
Joined: Sep 2012
Posts: 2,221
London, England
Originally Posted By: dishdude
Yep, stick to top tier and never buy fuel cleaners. Not sure that helps the OP, being in Asia. Isn't SE Asia called India?


With a forum name like kr bitog it is likely that the OP is from South Korea perhaps? Isnít kr the identifier for South Korea on the web?


16 S350d LWB 25k Mobil Super 3000 XE 5w30
17 Smart ForFour Auto 6.5k Mobil 1 0w40 FS
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