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Are direct fuel injection cleaners needed ? #4564136
11/04/17 04:27 PM
11/04/17 04:27 PM
Joined: Sep 2008
Posts: 34
Billings Mt
mtlineman Offline OP
mtlineman  Offline OP
Joined: Sep 2008
Posts: 34
Billings Mt
Have a 2017 direct injected 5.3 Silverado. I was wondering if anyone has had problems with this that would need a fuel injection cleaner & if so what to use? Thanks for the help

Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564141
11/04/17 04:32 PM
11/04/17 04:32 PM
Joined: Feb 2014
Posts: 2,425
Kansas @ CZ factory
Marco620 Offline
Marco620  Offline
Joined: Feb 2014
Posts: 2,425
Kansas @ CZ factory
Gumout with Regane or Redline Si 1.

Last edited by Marco620; 11/04/17 04:32 PM.

15' Civic R18 199k 0w20 Redline/Archoil9200/TEIN/Eibach/Injen/Tanabe Sustec/Borla Exhaust!
Going for 238,900 milestone. My house to moon is 238,900 miles!
Son of a Navy Corpsman. Support veterans!


Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564170
11/04/17 05:07 PM
11/04/17 05:07 PM
Joined: Aug 2008
Posts: 21,162
ON, Canada eh?
StevieC Online content
StevieC  Online Content
Joined: Aug 2008
Posts: 21,162
ON, Canada eh?
Amsoil Powerfoam sprayed through the throttle body plate. Cleans that and the valves at the same time. Fuel system cleaner for everything else. I like VP Fuels Fuel Cleaner.

Last edited by StevieC; 11/04/17 05:08 PM.

'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Are direct fuel injection cleaners needed ? [Re: StevieC] #4564222
11/04/17 05:58 PM
11/04/17 05:58 PM
Joined: Jun 2010
Posts: 591
Florida
Dumc87 Offline
Dumc87  Offline
Joined: Jun 2010
Posts: 591
Florida
Originally Posted By: StevieC
Amsoil Powerfoam sprayed through the throttle body plate. Cleans that and the valves at the same time. Fuel system cleaner for everything else. I like VP Fuels Fuel Cleaner.


Is that like the Mopar Combustion cleaner? Been thinking about using that in my Jeep, G20 and 300ZX before my next OCI and possibly replacing the plugs after, if required.


'90 Z32 - PP HM 10w30
'98 ZJ - PYB HM 10w40
'02 G20 - QS UD 5w30
'09 Matrix - QS UD 0w20
Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564226
11/04/17 06:09 PM
11/04/17 06:09 PM
Joined: Aug 2008
Posts: 21,162
ON, Canada eh?
StevieC Online content
StevieC  Online Content
Joined: Aug 2008
Posts: 21,162
ON, Canada eh?
Yes and not because I like Amsoil but that stuff is wickedly good at what it does. I wish I could buy direct in Canada but it's not available here because of environmental laws so I buy it south of the border and drive it back. wink


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Are direct fuel injection cleaners needed ? [Re: StevieC] #4564285
11/04/17 07:19 PM
11/04/17 07:19 PM
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
xxch4osxx Offline
xxch4osxx  Offline
Joined: Mar 2009
Posts: 2,676
Cedarbrae, Ontario
Originally Posted By: StevieC
Yes and not because I like Amsoil but that stuff is wickedly good at what it does. I wish I could buy direct in Canada but it's not available here because of environmental laws so I buy it south of the border and drive it back. wink
We used to be able to buy the Amsoil powerfoam several years ago up here but then they put a stop to it. That stuff does work really good. I still have a full can of it thankfully.


2015 RAM SXT Crew Cab 5.7 with 6 speed tranny.

2008 Mazda 3 GS Sport Hatchback 5sp MT (Girlfriend's car)

Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564288
11/04/17 07:26 PM
11/04/17 07:26 PM
Joined: Apr 2016
Posts: 965
KS
FordBroncoVWJeta Offline
FordBroncoVWJeta  Offline
Joined: Apr 2016
Posts: 965
KS
That truck is way too new for a fuel injection cleaning. We do Valvoline fuel injection cleanings at Walmart. A 2017 vehicle is way too new for a cleaning. Most likely nothing to clean. Unless it has 50-60K miles.


2017 Volkswagen Jetta 1.4T - 2015 Honda CRV 2.4 - 2012 Volkswagen Jetta 2.0 - 2001 Pontiac Sunfire 2.2
Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564303
11/04/17 07:53 PM
11/04/17 07:53 PM
Joined: Jan 2017
Posts: 336
Texas,USA
ATex7239 Offline
ATex7239  Offline
Joined: Jan 2017
Posts: 336
Texas,USA
All Ive ever done with our DI 3.6 is run TT fuel, do few a Italian tuneups, and use Techron Concentrate once.

It still runs just fine at 127K miles. Averaged 19 MPG shuffling around town today.


'12 Buick Enclave 150,xxx
Valvoline ML SynBlend 5w30
ACDelco PF63E

'17 Ford Fusion (Company Lease) 54,xxx
Oil � Don't know
Filter � Don't care
Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564347
11/04/17 08:33 PM
11/04/17 08:33 PM
Joined: Oct 2014
Posts: 1,345
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,345
NoVA
Adding anything to the gas will be a waste. I would spray out the throttle body every 20-30k with a can of carb cleaner or CRC Direct Inject cleaner.


yup
Re: Are direct fuel injection cleaners needed ? [Re: Jimzz] #4564397
11/04/17 10:05 PM
11/04/17 10:05 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: Jimzz
Adding anything to the gas will be a waste.


I agree because the fuel totally bypasses the valves on direct injection.

Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564441
11/05/17 01:26 AM
11/05/17 01:26 AM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
If anything, the recommendation for fuel INJECTOR cleaning is actually increased for direct injection engines, as the INJECTORS run at higher pressure and certain ones may clog more frequently.
Several manufacturers recommend using a injector cleaner periodically to do exactly and only what the name name describes which is clean the injectors.

Don't mix up valves and injectors. If you want to clean your valves, then you need a valve cleaning procedure.

It is true the issues with the valves needing cleaning is a separate and potentially more pressing concern depending on the engine; but just cause you want to focus on the valves; doesn't mean you can neglect the injectors.

Last edited by raytseng; 11/05/17 01:31 AM.
Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4564569
11/05/17 07:49 AM
11/05/17 07:49 AM
Joined: Jan 2015
Posts: 757
missouri
ragtoplvr Offline
ragtoplvr  Offline
Joined: Jan 2015
Posts: 757
missouri
There are a couple of issues.

Crankcase vapors into the intake are a significant source of gunk in the intake. Varies from engine to engine, some with very thin low tension rings have more blowby and benefit more. A PVC hose catch can is a solution, up north it can freeze solid, so must have heated garage and drain often or put it where it stays hot. Since extended drain is not possible, OE tends not to use them.

Then there is gunk from the fuel, and there usually Top Tier fuels are sufficient.

Rod

Re: Are direct fuel injection cleaners needed ? [Re: ragtoplvr] #4564857
11/05/17 12:46 PM
11/05/17 12:46 PM
Joined: Sep 2008
Posts: 34
Billings Mt
mtlineman Offline OP
mtlineman  Offline OP
Joined: Sep 2008
Posts: 34
Billings Mt
I was thinking in terms of the future, the truck only has 600 miles on it now, thanks for the help

Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4570433
11/11/17 12:21 AM
11/11/17 12:21 AM
Joined: Jun 2017
Posts: 133
Tennessee
ChevyMan93 Offline
ChevyMan93  Offline
Joined: Jun 2017
Posts: 133
Tennessee
I have a 2016 silverado with the 5.3, this is what i have done so far, and i hope it helps you.

-At 1k miles i changed my oil filter.

-At 2500 miles i changed my oil (i know this isnt scientific or anything but the oil was VERY black) and filter.

-At 5000 miles i changed my oil (more of a dark amber this time, not so dark...) and filter and also i looked at my throttle body (which actually needed cleaned, surprisingly...).

-At 8000 miles i changed my oil (less dark than before, looked good) and filter, front and rear differential fluid (front differential fluid looked like brown watery grease... no idea why? rear differential has shimmery with metal flakes and very dark), fully changed my transmission fluid (was still red, had a shimmer on the top of the fluid i had extracted), changed my transfer case fluid (looked good, still red, slight shimmer on top of the fluid i extracted), and also added a PCV catch can.

I am now at 10k miles or maybe a hair less, and i have already caught oil (about enough to fill up one of those little paper bathroom cups) and what seems to be unburnt fuel (smells like it anyhow).

This is what i have done and my findings, YMMV, but i hope this helps you in some form or fashion.

To save the possible crucifixion from other members, I did it because i wanted to, not because it NEEDED to be done.
Just a peace of mind thing for me.

Add: I also have ran a tank of MMO every 3000 miles or so to keep injectors and fuel system clean and to keep it from forming any sort of deposits. And i have also injected water into my PCV return line (from PVC catch can to engine intake) as a preventative measure to hopefully keep valve deposits to a minimum.

(insert flame suit)

Last edited by ChevyMan93; 11/11/17 12:27 AM. Reason: Add

2016 Chevrolet Silverado Z71 5.3
2017 Honda CR-V 2.4
Re: Are direct fuel injection cleaners needed ? [Re: mtlineman] #4570749
11/11/17 10:43 AM
11/11/17 10:43 AM
Joined: Jun 2006
Posts: 5,071
Great White North.. eh
webfors Offline
webfors  Offline
Joined: Jun 2006
Posts: 5,071
Great White North.. eh
Interesting conversation on the colorado forums and there's a tech that highly advises against using any intake cleaners on GDI engines:

http://coloradofans.com/forums/185-2nd-g...-mistake-6.html


17 Cadillac ATS 2.0T, Edge D1G2 5w30, XG10575
17 Dodge GC, VWB 5w20, Fram DL11665
15 DL650, Rotella T6 5w40, KN-138
Small engines; RT5 10w30
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