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#4741625 - 04/28/18 05:57 PM Jeep pinging more.
littleant Offline


Registered: 10/10/17
Posts: 421
Loc: Vermont
My 2002 jeep 4.0 158,000+ miles is pinging more then it use to. Would go as far as saying excessive. I think the issue maybe in the last year wife now works in town 1 mile round trip. I do take it for run once a week on a 50 mile trip but speed is not over 50. I think I am getting carbon buildup. Tried gumout regane no help. Years ago in my repair shop i would do slow slow water drip down the carburetor (remember them) and it would work. The jeep has port injection i believe. Any issues dripping down the Throttle Body. Any better ideas?? Thank you
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

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#4741626 - 04/28/18 05:59 PM Re: Jeep pinging more. [Re: littleant]
Warstud Offline


Registered: 09/02/05
Posts: 5572
Loc: MIchigan
Use a higher octane gas.

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#4741628 - 04/28/18 06:02 PM Re: Jeep pinging more. [Re: littleant]
littleant Offline


Registered: 10/10/17
Posts: 421
Loc: Vermont
Tried that first. Very minimal change.
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

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#4741633 - 04/28/18 06:17 PM Re: Jeep pinging more. [Re: littleant]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
Some weekend, pull the plugs and put 2oz (~70ml) of sea foam in each hole.
Start the plugs threaded in, but not tight. Don't connect the ignition coils.

Crank the engine for 5 seconds to splash it around in there, then let sit for 24 hours.
Tighten the plugs, connect the coils, then take it out for a little highway cruise.

From this point forward, add 2-cycle oil to the gas at 1oz per every 5 gallons (1:640)

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1107478/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1429603/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/2486832/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3015734/
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4741636 - 04/28/18 06:19 PM Re: Jeep pinging more. [Re: littleant]
JLTD Offline


Registered: 12/15/17
Posts: 931
Loc: US
There could also be water in the tank - I had an older vehicle that pinged until I put some HEET or similar to clean it out.
_________________________
Hers: 2008 Jeep Liberty 138k, AMSOIL SS 5w30/Amsoil

His: 2015 4Runner 41k, AMSOIL OE 5w20/Wix

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#4741638 - 04/28/18 06:26 PM Re: Jeep pinging more. [Re: Linctex]
rollinpete Offline


Registered: 03/20/17
Posts: 534
Loc: West Ma.
Originally Posted By: Linctex
Some weekend, pull the plugs and put 2oz (~70ml) of sea foam in each hole.
Start the plugs threaded in, but not tight. Don't connect the ignition coils.

Crank the engine for 5 seconds to splash it around in there, then let sit for 24 hours.
Tighten the plugs, connect the coils, then take it out for a little highway cruise.

From this point forward, add 2-cycle oil to the gas at 1oz per every 5 gallons (1:640)

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1107478/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1429603/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/2486832/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3015734/



I've heard of this too...
Isn't it with tcw3 2 cycle oil?
_________________________
Pete.
97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive183k miles
Last Change;
Penn. Plat. HM. 5w30
Fram xg8a, Fram CA8141

I like my oil (slippery).


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#4741642 - 04/28/18 06:30 PM Re: Jeep pinging more. [Re: littleant]
rollinpete Offline


Registered: 03/20/17
Posts: 534
Loc: West Ma.
Originally Posted By: littleant
My 2002 jeep 4.0 158,000+ miles is pinging more then it use to. Would go as far as saying excessive. I think the issue maybe in the last year wife now works in town 1 mile round trip. I do take it for run once a week on a 50 mile trip but speed is not over 50. I think I am getting carbon buildup. Tried gumout regane no help. Years ago in my repair shop i would do slow slow water drip down the carburetor (remember them) and it would work. The jeep has port injection i believe. Any issues dripping down the Throttle Body. Any better ideas?? Thank you


Just a thought if your burning oil could be valve stem seals.
valve stem seals
_________________________
Pete.
97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive183k miles
Last Change;
Penn. Plat. HM. 5w30
Fram xg8a, Fram CA8141

I like my oil (slippery).


Top
#4741644 - 04/28/18 06:37 PM Re: Jeep pinging more. [Re: rollinpete]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
Originally Posted By: rollinpete

I've heard of this too...
Isn't it with TCW-3 2 cycle oil?


Yes sir...

Original thread started here, actually:
http://www.ls1.com/forums/f48/been-testing-oil-91206/
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
#4741656 - 04/28/18 06:52 PM Re: Jeep pinging more. [Re: Linctex]
rollinpete Offline


Registered: 03/20/17
Posts: 534
Loc: West Ma.
Originally Posted By: Linctex
Originally Posted By: rollinpete

I've heard of this too...
Isn't it with TCW-3 2 cycle oil?


Yes sir...

Original thread started here, actually:
http://www.ls1.com/forums/f48/been-testing-oil-91206/


It's for some interesting reading, I've read most of it before, I just can't make myself to believe putting more oil in your combustion chamber would make it run cleaner.
_________________________
Pete.
97 Ford Expl.Sport 4.0 ohv 4wd 5spddrive183k miles
Last Change;
Penn. Plat. HM. 5w30
Fram xg8a, Fram CA8141

I like my oil (slippery).


Top
#4741662 - 04/28/18 06:55 PM Re: Jeep pinging more. [Re: littleant]
littleant Offline


Registered: 10/10/17
Posts: 421
Loc: Vermont
Linctex I will try the sea foam. Interesting about 2-cycle oil to the gas at 1oz per every 5 gallons. Thank you for the links. I Appreciate that.
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

Top
#4741664 - 04/28/18 06:58 PM Re: Jeep pinging more. [Re: rollinpete]
littleant Offline


Registered: 10/10/17
Posts: 421
Loc: Vermont
Originally Posted By: rollinpete
Originally Posted By: littleant
My 2002 jeep 4.0 158,000+ miles is pinging more then it use to. Would go as far as saying excessive. I think the issue maybe in the last year wife now works in town 1 mile round trip. I do take it for run once a week on a 50 mile trip but speed is not over 50. I think I am getting carbon buildup. Tried gumout regane no help. Years ago in my repair shop i would do slow slow water drip down the carburetor (remember them) and it would work. The jeep has port injection i believe. Any issues dripping down the Throttle Body. Any better ideas?? Thank you


Just a thought if your burning oil could be valve stem seals.
valve stem seals
Believe it or not even at the mileage the engine burns no oil. Never had a vehicle that did not use some oil between oci.
_________________________
I can't prevent getting old but I REFUSE to grow up.
2010 Mountaineer 4.0
2002 Jeep Wrangler TJ 4.0

Top
#4741677 - 04/28/18 07:10 PM Re: Jeep pinging more. [Re: rollinpete]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX
Originally Posted By: rollinpete

It's for some interesting reading, I've read most of it before, I just can't make myself to believe putting more oil in your combustion chamber would make it run cleaner.


TCW-III is ashless, so leaves no deposits.

It has some type of "carbon remover" in it to help keep exhaust ports clean on 2-cycle engines.

1:640 is a pretty lean ratio
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
#4741685 - 04/28/18 07:16 PM Re: Jeep pinging more. [Re: littleant]
BrocLuno Offline


Registered: 09/06/15
Posts: 5691
Loc: Kalifornia Kollective
Inline Six is pretty easy to do piston soak. I like Break Free gun solvent overnight. It's made to help clean carbon from rifle bores. Once it has softened the carbon, it should burn off on a good highway run laugh

Can you take 1* or 2* of timing out of it? They may have switched to summer gas formula and the engine is reacting ...


Edited by BrocLuno (04/28/18 07:18 PM)
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4741686 - 04/28/18 07:17 PM Re: Jeep pinging more. [Re: littleant]
Linctex Offline


Registered: 12/31/16
Posts: 6189
Loc: Waco, TX

Hmmmmm........ interesting video

_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

Top
#4741689 - 04/28/18 07:18 PM Re: Jeep pinging more. [Re: Linctex]
ARB1977 Offline


Registered: 06/12/05
Posts: 5214
Loc: North Texas
Originally Posted By: Linctex
Some weekend, pull the plugs and put 2oz (~70ml) of sea foam in each hole.
Start the plugs threaded in, but not tight. Don't connect the ignition coils.

Crank the engine for 5 seconds to splash it around in there, then let sit for 24 hours.
Tighten the plugs, connect the coils, then take it out for a little highway cruise.

From this point forward, add 2-cycle oil to the gas at 1oz per every 5 gallons (1:640)

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1107478/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/1429603/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/2486832/
https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3015734/


Great. After some reading I may get back on the tcw 3 wagon.
_________________________
2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter

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