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#3320107 - 03/22/14 07:01 PM Additive to reduce oil conumption i n1998 Corolla
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
OK so I have the dreaded 1zz-fe engine from Toyota in my 1998 Corolla. It seems to be standard internet knowledge that these motors have some issues with the piston rings gumming up and allowing some oil blow through, thus causing high oil consumption. Mine isn't as bad as the worst. I used about quarts every 1500 miles (roughly). That is a lot, I realize, but some guys use a quart every 100-150 miles.

I am not going to tear this motor down and replace the piston rings. I am more or less going to "run it til she pukes". Until then, is there any kind of additive I can add to maybe help free up the rings or reduce consumption. I am already running high viscosity motor oil. I have read about the MMO and Kreen. I've already heard about dropping some kerosen or MMO in the cylinder and letting it sit a day or two then run it. What's everyone else's opinions??


Edited by BrettG (03/22/14 07:16 PM)

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#3320134 - 03/22/14 07:24 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
ARB1977 Offline


Registered: 06/12/05
Posts: 4448
Loc: North Texas
Sea foam is worth a shot. Have the vacuum suck it down into the combustion chambers, let it sit then let the smoke fly.


Edited by ARB1977 (03/22/14 07:26 PM)
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#3320139 - 03/22/14 07:28 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
Ramblejam Offline


Registered: 11/05/13
Posts: 879
Loc: Kentucky
Originally Posted By: BrettG
What's everyone else's opinions??

http://www.amsoil.com/shop/by-product/ot...smission-flush/

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#3320144 - 03/22/14 07:32 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
jmb106 Offline


Registered: 09/24/07
Posts: 397
Loc: Coconut Creek Fla
do a piston soak with Sea Foam overnight. then do a Ita tune up. then change oil. you might want to run a HM oil init also.
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#3320162 - 03/22/14 07:52 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
Red91 Offline


Registered: 12/09/13
Posts: 473
Loc: Alabama, United States
Seems like a good candidate for cheap 40 HD. Honestly, if I had an oil burner, and I was going to run it until it died, I'd run the thickest, cheapest oil I could get.

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#3320190 - 03/22/14 08:20 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
SLATRON Offline


Registered: 10/20/13
Posts: 223
Loc: upstate NY
I had luck on a 2.7l Chrysler that was sludged with rislone oil treatment and amsoil engine flush. I was using mostly syn oils though as the consumption was less than yours. PU, maxlife, & super tech. after about 3 short change intervals (2-3k miles) rislone in all 3 and amsoil at change of 2, the oil light stoppes coming on at highway speeds, 60+ and never came back on again.

The car was totalled about 20k miles after that though so don't have long term update.

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#3320222 - 03/22/14 08:42 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
Doog Offline


Registered: 10/24/11
Posts: 3350
Loc: Ohio
I would do a seafoam overnight piston soak. Then Italian tune up. Then switch to Rotella T5 10w30 or 15w40 Do a seafoam treatment every 30,000 miles and you might surprise yourself how long the engine lasts.


Edited by Doog (03/22/14 08:43 PM)
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#3320277 - 03/22/14 09:18 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
JimPghPA Offline


Registered: 08/22/09
Posts: 2799
Loc: Pittsburgh,PA U.S.A.
Our 2001 Impala with the 3.4 Liter engine was using a quart of Mobil Drive Clean 5000 10W-30 every 1000 miles. I now run GC and the oil consumption is less than a quart per 8000 miles. It took about 300 miles for the oil consumption to stop when I first switched to GC.
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#3320301 - 03/22/14 09:33 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
simple_gifts Offline


Registered: 07/26/04
Posts: 8667
Loc: Middlesex County CT
1 qt in 1500 miles; nothing i loose sleep over.

That is about my consumption on my !echo!

I buy on sale rebate oil and just keep pouring it in.
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#3320343 - 03/22/14 10:15 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
Ok I need to update from my original post, and clarify some statements. I was typing on the cell phone and got ahead of myself in some places. I burn TWO quarts every 1000-1500 miles. If I stay in my daily commute to and from work which is flat, 8 miles one way going 55 mpgh. I can stretch it out. But when I get on the interstate and go up hills and whatnot, the consumption goes up. am running cheap Auto Zone 15w40 motor oil in it. Seems to hold up longer than anything else

Now for some of these acronyms y'all are using, please elaborate lol.

GC?
Italian Tune Up?

I assume to seafoam the pistons just drop some down the chamber into the cylinder right?


Edited by BrettG (03/22/14 10:18 PM)

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#3320377 - 03/22/14 10:42 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5081
Loc: southeast US
This was my experience with the oil thirsty 1ZZ-FE: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2487632

Plenty of room for experimentation. Good luck.

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#3320397 - 03/22/14 11:00 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: friendly_jacek]
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
Originally Posted By: friendly_jacek
This was my experience with the oil thirsty 1ZZ-FE: http://www.bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2487632

Plenty of room for experimentation. Good luck.

Glad to see someone else with my issue and the same motor. So after reading your thread, it seems like a good soak in Kreen over MMO does the job. Have you found which oil helps the most? I am trying to avoid expensive synthetic oils if possible, since it does burn quite a bit don't want to be shelling out a ton of money all the time. Also, I saw on the thread where someone used a Mopar Combustion Chamber Cleaner, have you experimented with that?

Last question, were you pouring the Kreen down your chamber, then suctioning it back or out just starting it with it in there?


Edited by BrettG (03/22/14 11:10 PM)

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#3320433 - 03/23/14 12:00 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
Clevy Offline


Registered: 11/11/10
Posts: 6985
Loc: Saskatoon canada
Do a piston soak. If you can get Kreen then use it. It will dissolve any ring coking. Pour it in the plug holes and leave it overnight. Then crank the engine over by hand. Don't bother trying to suction it out. Turn the engine over a few times by hand.
Then I'd seafoam it thru a vacuum line and take it out for a good run. Might be a good idea to Kreen the engine oil at the same time. Then change the oil and monitor consumption from there.
At this point you don't have much to lose. I e used mmo for the vacuum line before but in my experience seafoam cleans better.
I've got an inverse oiler on my car so I don't need to clean the top end anymore.
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#3320484 - 03/23/14 02:20 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
sprintman Offline


Registered: 05/27/02
Posts: 11005
Loc: Canberra ACT Australia
2 bottles Auto-Rx Plus in a non ester oil (new filter) and run it 6-8,000 miles. If the engine runs cold fix that first.

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#3320492 - 03/23/14 03:04 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: sprintman]
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
Originally Posted By: sprintman
2 bottles Auto-Rx Plus in a non ester oil (new filter) and run it 6-8,000 miles. If the engine runs cold fix that first.


My engine has never ran cold. It actually warms up pretty quickly. So your suggestion is t add the Auto RX to some new motor oil and run it for a decent amount of time?

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#3320523 - 03/23/14 05:28 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
demarpaint Offline


Registered: 07/03/05
Posts: 20709
Loc: NY
I'd try a piston soak as already mentioned, and if you want to try an additive to clean things up give MMO or Kreen a shot.

With regards to a piston soak, I recently worked with Amsoil power foam again and I have to say it does one heck of a job cleaning up carbon. Next piston soak I do on an OPE I'm going to use that. I'd use it in a car w/oo hesitation but I don't need a piston soak.
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#3320589 - 03/23/14 07:40 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: demarpaint]
Trav Offline


Registered: 11/20/06
Posts: 9091
Loc: MA, Mittelfranken.de
The original GM Top Engine cleaner is one of the best in the business for piston soak, that would be my first choice.
Chrysler has a good one, so good in fact i see the local Subaru dealer buying it. (true)
Kreen and MMO may work okay but it will probably take a little longer.

A 15 min idle flush with Berrymans Chemtool will clean the rings quickly as will kreen over a short OCI, it may not all the junk and carbon but it should get a significant amount.

ARX will take longer than the car and maybe the driver will survive if at all, it will clean your wallet pretty good however.
This is just my personal experience using all these product at one time or another over the last 40 years as a working mechanic.
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#3320680 - 03/23/14 09:25 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5081
Loc: southeast US
Originally Posted By: BrettG
I used about quarts every 1500 miles (roughly).


Actually, it's not bad at all for 1998 1ZZ-FE. How many miles? City or hwy? What oils did you use and what OCIs?

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#3320902 - 03/23/14 02:02 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: demarpaint]
rockydee Offline


Registered: 03/09/14
Posts: 144
Loc: VA
Originally Posted By: demarpaint
I'd try a piston soak as already mentioned, and if you want to try an additive to clean things up give MMO or Kreen a shot.

With regards to a piston soak, I recently worked with Amsoil power foam again and I have to say it does one heck of a job cleaning up carbon. Next piston soak I do on an OPE I'm going to use that. I'd use it in a car w/oo hesitation but I don't need a piston soak.


Sounds like a plan to me.

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#3321169 - 03/23/14 06:11 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
JimPghPA Offline


Registered: 08/22/09
Posts: 2799
Loc: Pittsburgh,PA U.S.A.
GC = German Castrol 0W-30. This one oil is different than others. On the front of the bottle it will say "European Formula". On the back somewhere near the bar code it will say "made in germany".

Italian tune up = taking it out and running it hard with high RPM's to blow out any gunk in the engine.
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#3321382 - 03/23/14 09:09 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: JimPghPA]
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
Originally Posted By: friendly_jacek

Actually, it's not bad at all for 1998 1ZZ-FE. How many miles? City or hwy? What oils did you use and what OCIs?


There was supposed to be a 2 in front of the quarts. If I put a lot of highway miles when driving to and from my girlfriends house (110 miles or so round trip), its closer to 2 quarts. When its just back and forth to work I dont use as much,

Originally Posted By: JimPghPA
GC = German Castrol 0W-30. This one oil is different than others. On the front of the bottle it will say "European Formula". On the back somewhere near the bar code it will say "made in germany".

Italian tune up = taking it out and running it hard with high RPM's to blow out any gunk in the engine.


Ok thanks for the clarification for the newbie smile

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#3321423 - 03/23/14 09:41 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
friendly_jacek Offline


Registered: 05/04/03
Posts: 5081
Loc: southeast US
Originally Posted By: BrettG
Originally Posted By: friendly_jacek

Actually, it's not bad at all for 1998 1ZZ-FE. How many miles? City or hwy? What oils did you use and what OCIs?


There was supposed to be a 2 in front of the quarts. If I put a lot of highway miles when driving to and from my girlfriends house (110 miles or so round trip), its closer to 2 quarts. When its just back and forth to work I dont use as much,


I see. 1qt in 750 miles. The higher consumption you have, the less chance to reverse it by cleaning the rings, IMHO. The oil rings could be all worn out by now. I noticed when oil consumption started in mine (abruptly), there was way more debris on magnetic drain plug than normally.

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#3321493 - 03/23/14 10:40 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
panthermike Offline


Registered: 04/01/08
Posts: 3153
Loc: Phoenix, AZ
1 quart every 750 miles is about where our old '00 Corolla was at when we traded it in. The suggestion of a Kreen piston soak is a good one. I can tell you from experience that nothing I put in the crankcase solved or reduced this problem. Unfortunately I didn't know much about piston soaks when we had the '00, plus it was starting to run rough and pinged constantly so it would have been too late anyways. Had 167K when traded in.

I would run some Kreen in the oil for 1K miles, do a piston soak and then change your oil afterwards.
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#3321544 - 03/23/14 11:47 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
BrettG Offline


Registered: 11/19/13
Posts: 10
Loc: WV
I'm definitely going to try some kind of piston soak. I have nothing to lose. What's so puzzling is this car runs so well. I get great gas mileage, there no valve noise or pinging. Doesn't smoke. I have plenty of power and no check engine light pertaining to a bad cylinder or anything like that. If I could rebuild this motor, id keep the car until it fell apart. It had 156k on it and still runs so well.

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#3321548 - 03/23/14 11:49 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
JHZR2 Offline



Registered: 12/14/02
Posts: 33211
Loc: New Jersey
Sounds like my 318i.

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#3321553 - 03/23/14 11:58 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: sprintman]
Clevy Offline


Registered: 11/11/10
Posts: 6985
Loc: Saskatoon canada
Originally Posted By: sprintman
2 bottles Auto-Rx Plus in a non ester oil (new filter) and run it 6-8,000 miles. If the engine runs cold fix that first.


Great idea if he wants to spend more to achieve less then a piston soak.
Seafoam costs what in America,5 bucks,and results are immediate.
Or he can wait til the tenth day of never for arx to work,at a significantly higher cost.
Sounds like a great idea.

Op. Trav is an expert. Follow his directions. And you'll get results.
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#3321686 - 03/24/14 07:39 AM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
JHZR2 Offline



Registered: 12/14/02
Posts: 33211
Loc: New Jersey
^if there are small ports that are clogged, I can't see how arx would help regardless. Different issue needs different approach.

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#3391874 - 06/07/14 11:58 PM Re: Additive to reduce oil conumption i n1998 Corolla [Re: BrettG]
KeMBro2012 Offline


Registered: 04/08/12
Posts: 430
Loc: California
2 schools of thought, here, and I've tried both on a 99 and 2000 with the same issue. Here's what I can offer: The issue with 1ZZ's of this era is that the oil return holes in the pistons aren't sufficient and eventually clog up; in most cases, it has nothing to do with the rings until (and unless) it's been let go for too long.

Knowing this crucial piece of information, you can deduce that the most important first step is to restore oil flow. Since we're talking about (hopefully only partially) clogged passageways (the oil return holes), that means thinner, not thicker, oil. I had luck with Pennzoil Platinum 0w20 in the 99 (completely stopped consumption in 2 OCIs, no consumption when I sold it a year later) and Pennzoil Ultra 5w20 in the 2000 (they don't make a 0w20 Ultra or I'd have used it).

In the 2000, I greatly reduced the consumption, but didn't stop it. In this case, I was able to clear out the oil return holes but I either have stuck or cracked rings (this hypothesis is backed by compression numbers; and I'm leaning toward stuck since the numbers weren't that bad). I'm currently running Rotella T6 (which is a 5w40 HDEO) to try and clean that up; I'm also performing another experiment using canola oil, so any further results I could report on that front won't be valid in your case (e.g. ignore most of this paragraph, it's really just informational and not at all suggesting you follow this path).

Basically, assuming your oil return holes aren't completely clogged, the most likely case is you need to run something thinner for a while (1-2 OCI) to begin clearing out the clogged oil return holes before any additive, cleaner, or heavy duty oil will even be able to touch the issue. If that slows, but doesn't completely stop the consumption, then you should use a cleaning additive to attempt to free possibly-stuck rings.

And, of course, once you've managed to stop the consumption, consider switching back to the recommended 5w30. Oh, and don't be gentle with it just because it's sick; it's important to get it moving, or you'll only be contributing to the problem. cool

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