1zz oil consumption fix. I have check for leaks, nothing appears to be that leaking.

• 1zz oil consumption fix The youngest engine among the ZZ s is a 1. Well,in my experience even a half decently cared for 1ZZ-FE with 160,000 miles won't May 4, 2003 · I actually saw remarks about updated dipstick when I once found a Toyota document about oil consumption issue in 1ZZ-FE. I've been using top tier oil and or the subaru oil. 1. I understand that it's most severe between years 00-02 and is in part fixed by 2 different countermeasures deployed by Toyota between may 02 and january 03. Do a major overhaul of the 1ZZ engine you will sort it out. Is I lost compression in cylinder # 3 do to a bad valve and had issues with oil consumption I fixed all of it at home. High oil consumption. It burns a quart every 100 miles (it's bad :) . They will want to try and do a de-carb procedure to try to bring your oil consumption levels down to within the acceptable levels. New NPR rings, pin clips and pins included; 10. May 30, 2017 · Dark Mode; Light Mode; menu Log in Dec 7, 2004 · I was simply just asking to fix the oil consumption issues with the bigger bore pistons since MWR advertised that: “THESE ARE THE LATER 2003+ STYLE PISTONS WITH IMPROVED OILING AND MORE OIL HOLES – REDUCES OR ELIMINATES THE 1ZZ OIL CONSUMPTION/BURNING ISSUES” So basically I wasn’t planning on building or boosting the 1ZZ. Almost more like timing chain slap, but it's too rhythmic with engine RPM to be that I believe. I bought a used 01 GT, 90k miles, common 1zz-fed oil consumption. I have also raised the oil level to 10mm above the max on the dipstick. Use the recommended fluids, and change them in good time. I used this video to help. Drinks about a quart every 70 miles. This video d Oct 7, 2012 · OIL CONSUMPTION OR ENGINE DAMAGE ON 1993-2001 Lexus/Toyota 3. Toyota had a similar excesssive oil consumption issue with another 4-cylinder engine, the 1. Kreen is an engine treatment you pour into the crankcase, then drive with it in your oil for 500-1k miles and change. So in a sad ironic twist, oil burning allows for longer OCI's. The most cost-effective fix is an engine replacement. Jan 10, 2018 · Why my Toyota engine consumes oil One Quart per Thousand mile? And repair info too. Celica Discussion. On this engine, they did re-design the piston and added more oil drain holes. Here's what I did on a 99 Corolla which uses the same engine. Like most mechanic-in-a-can type products it might do something but it isn't a real repair. My total cost of under $700 to fix the engine and replace an old transmission made it a no-brainer to get a car back on the road that can achieve 50 mpg. Jun 27, 2024 · 1ZZ. Aug 6, 2012 · Hi Frankie. 8 l (1,794 cc) straight-four 4-stroke natural aspirated gasoline engine from Toyota ZZ-family. If you drive short trips or drive the car very hard, use the "extreme conditions" service interval in the Be sure the engine is cool and put the oil cap on, ensure the pcv valve is working correctly so the fumes go into the intake as the engine warms up. The oil loss is worsens with time. By reading different forums I've come to a point; that this engine has built-in problem of oil-eating after doing milage of above 50,000/- Some say that it has problem with dip-stick - and you need to add extra '10mm' on dip-stick to 4 days ago · The Toyota 1ZZ-FE is a 1. 8 liter 1zz-fe. The guy who wrote the DIY oil consumption fix suggests it should be done to seat the new rings. May 28, 2019 · It depends on what you're trying to fix. 4) and 1/2 qt. From what I understand this problem continued through the first year of the Gen 9 (2003) or possibly through the second year (2004). hope this video helps you. /etc engines are notorious for oil consumption caused by piston rings frozen with carbon deposits. May 4, 2003 · I'm researching the oil consumption issue affecting Toyota's 1ZZ-FE motors. Do a search on google regarding kreen and bobistheoilguy forums. Sep 13, 2013 · 1ZZ engines are notorious for oil consumption caused by piston rings frozen with carbon deposits. 75cl per 1121 miles; Motul 10W40 is the limits for the 1ZZ-FE for a good oil lubrification without feel any engine difference. 8L has oil consumption issues, keep an eye on the oil levels, and you will never have to pay for expensive repairs caused by insufficient oil. I think it's similar to the 1ZZ oil usage issue. Plus a few quarts of oil is far cheaper than a car payment. S. It can dissolve crud that is sticking to the rings and oil holes. Im Netz wird erhöhter Ölverbrauch als häufigstes Problem der ZZ-Motoren (VVTi) in Corolla und Avensis genannt (mehr als 0,5 Liter auf 1000 km). Cleaned up the groves a little bit with a toothbrush, never removed them so they remained in the correct position. Very untrue. The fuel was mandated by the EPA to be changed but they never stuck to it. Apr 22, 2010 · -If the oil was changed 5k miles ago but looks fairly clean, it was probably recently added. Aug 2, 2014 · Cool, thanks for the info back, that tends to confirm what I suspected (2003 was the fix). Aug 21, 2022 · For an effective fix you must machine the block and go to oversize pistons (+0. 2003(past a certain date by VIN search) -2008. 1) Oil Consumption Issues. Look online for a Japanese Domestic Market (JDM) importer in your area who can offer you a low-miles japanese engine. It also has a check engine light for P0420. Bennie's hunch of 7-8k is correct. Only the oil control ring was removed, cleaned, put back. However, outside of excessive oil consumption the 1ZZ is a reliable engine. 4L engine were defective piston rings and if you had a XRS with oil burning issues, you could bring it to a Toyota dealer and they will replace the engine. This is exactly how my oil consumption started. Toyota 1ZZ Oil Consumption Fix I’d repeat this probably like 2 or 3 oil changes and eventually the rings should become unstuck/unclog holes and your symptom of oil loss should fade away… on another note if this doesn’t work I’d look into a rebuild or swap with the later year models of the 1ZZFE ex. Repair & Maintenance. I am looking to purchase an Avensisbetween years 2004 and 2006. I donct know if B-12 will attack and damage your seals and gaskets. Re-used the old rings that were mated to the surface of the piston bore. 8L engine, and there are a few design flaws combined to make it worse than expected. You haven't seen the spark plugs I pulled out today. Interestingly enough my wife's 01 Corolla has 150k on it and it has slight oil consumption, but I changed the oil pan gasket, front crank seal and valve cover gasket last year and that helped a TON. When your Toyota 1ZZ-FE develops a problem, fix it before it becomes irreversible. I performed the oil consumption fix and I still have some oil consumption. It's caused by a piston design flaw, the oil return holes in the piston head don't flow enough and get clogged. Dec 14, 2010 · If your burning oil, your smoking. 1ZZ-FE OIL CONSUMPTION FIX - TEST TRIAL. The XRS was available in the U. Episode 3 continues the 1ZZ build with the remainder of the bottom end which includes the rod . Mar 17, 2018 · I believe that's all they replace under the TSB. May 13, 2012 · The facelift 1ZZ engines were redesigned to fix the issue. I have a 99 Camry that uses a similar amount of oil as you Corolla, it has been doing so for the last 200k miles. Be sure the engine is cool and put the oil cap on, ensure the pcv valve is working correctly so the fumes go into the intake as the engine warms up. I topped it up and drove home. It burns about 1 quart every 500-1000 miles. The most popular fix is upgrading to the more robust 2ZZ-GE engine (and optionally 6-speed transmission) found in the Lotus Elise/Exige and Celica/Matrix/Corolla sport models. Some have mentioned an ECU recalibration? Would a recalibration fix this? Thanks! Jan 17, 2008 · That's why on the early 1zzfe engines oil changing regularly is vital to keep it running well. Sep 30, 2007 · -i dont think there is any way bad valve guides could cause this kinda oil consumption(1liter / 500km) -Im a member of the BITOG forum and have tried some of there snake oil fixes i will sumerize-Diesel fuel in Oil = no change in consumption, no cleaning help-ATF in Oil= no change in consumption, no cleaning help May 8, 2014 · 1zz 1zz oil consumption burning oil oil oil consumption Jump to Latest 1. Jan 5, 2009 · I just started studying this thread a couple of weeks ago. There is no way to actually fix the problem without a teardown and opening up the oil drain holes in the pistons so they don't clog up so easily. Feb 19, 2005 · My daily driver is a 01 Corolla, during the past 3 or 4 oil changes I've noticed that the car is using about 1 quart of oil per 3,000 miles. There are a few design flaws that combine to make oil consumption a serious issue. The car is using about one liter of oil per 1000 km driven. Dec 14, 2010 · Just drilling more and larger holes. Feb 25, 2022 · The 1ZZ Rebuild continues with another detailed how to video. 4-liter 4ZZ-FE designed in 2000. I change my oil about every 5000 miles. 7K views 2 replies 3 participants last post by Smaay May 8, 2014 In the last year or two the oil consumption has gotten intense. Went through the channels within customer service, had local deal do the consumption test. Clogged with a hardened carbonized sludge caused by heat. Oct 29, 2020 · Hi, My car's engine (1zzfe) eats oil 100ml/80km estimated. It did not help with the oil consumption. Repeat if necessary I haven't tried this but plan on it later next month when I get time. Won't be a permanent fix - but will help out - nothing short of a rebuild will eliminate oil consumption. I'd been torn recently seeing 8th gen corollas for sale with a manual (I love manual shifters) but thought "the oil monster will get you" -- as a Saturn owner I know what it's like to have an oil burner over time. 1ZZFE Oil Consumption Fix How-To 8th Gen VVTi Corolla +similar - YouTube Feb 9, 2022 · recently i did 1zzfe , pil consumption fix, ring etc, if you have qs you can ask , drove already 20000km , zero oil burn in this thread in this sub-forum in the entire site Advanced Search Sep 28, 2015 · Let set 24 hours, place weighted towels over plug holes and crank the engine until oil is removed, replace plugs, change oil, adding 1 quart of Rislone to the oil, drive vigorously, change oil and filter 500 miles later and monitor oil usage. I have also tried seafoam in the crankcase for 180 km, and fed it thru the vacuum line and added to the gas. Aug 30, 2024 · Repair & Maintenance. Yours has the new and revised pistons, so not exactly apples to apples, but good point on using one brand oil. 3 mm piston stroke. Its not a startup smoking problem, so you don't see it. 1ZZ and it’s undersized oil drain holes on the piston skirts getting coked and clogged of course is the know repair, and a re-ring as well as drilling out/adding extra drain Feb 2, 2018 · So in my case, the oil burning was NOT from plugged oil return holes and I think it behooves anyone embarking on this chore to be sure to examine other sources of oil consumption. Jump to Latest 487 views Feb 3, 2013 · Update; 1ZZ Oil Consumption Update. At 1200 Miles the oil was starting to look dirty so I B-12ed it again and changed the oil. Feb 20, 2021 · So,in a world where fossil fuels are clearly a finite resource the last thing anyone needs in to buy a cheap 2nd hand motor that requires almost as much oil as petrol. Best quality 1zz OE type pistons available ANYWHERE! THESE ARE THE LATER 2003+ STYLE PISTONS WITH IMPROVED OILING AND MORE OIL HOLES – REDUCES OR ELIMINATES THE 1ZZ OIL CONSUMPTION/BURNING ISSUES. 2: If you run it low on oil you risk ruining the engine. failed. I have read about the oil consumption problems ofthe 1zz-fe engine, and these appear to be on earlier models only. Knocking noise inside the As long as you keep the oil level in the safe zone the car will run a long time yet. Even the next gen 2008-2010 Altis still suffering engine oil consumption problem. Oct 29, 2022 · It sounds like the issue is the bore is worn enough to cause oil consumption as significant as you have described. More oil in the system has a suppressing effect on both. All shot up to around 200 after wet test. Apr 15, 2019 · The 1. 3 of the last 5 oil changes i've been burning excessive oil. Other than the oil consumption, the 1ZZ is a pretty reliable little engine, according to owners online. They will not want to just cough up the money for a rebuild. Only in mid 2003 oil consumption was totally fixed. gen7_oil_consumption. The engine is suffocating in oil. The motors made after 2005 lack the above-described lack that disrepair. It seems that even if some people still had problem after 2002 most of the trouble is with 2000-2002 engines. Like CGumina said before, a lot of 1ZZ-FE engines have engine oil consumption issues. The build up of half burnt oil causes the rings to stick in a contracted position inside thier ring groove on the piston. This causes them not to come in full contact with the piston walls, causing oil to get by them & to burn off. Feb 25, 2008 · If it is found to be excessive, then they will need to diagnose the cause of the oil consumption. Now at 107K, still using PP, no consumption, oil kept at old dipstick max level. Aug 27, 2012 · You'll have to take the pistons out, and while they're out, you'd bore more and bigger holes. 8L engines did not have the oil consumption problems. Bezeichnet wird das als "Short-Block-Problem", da im Motor zu viel Öl verbrannt wird und bei einer Reparatur der untere Teil des Motors (short block) ausgetauscht Oct 26, 2024 · The point I was making, low oil pressure and level was the demise of my engine. There was about 1 to 1 1/2 tablespoons of stuff in the oil catch can, but Genuine NPR (made in Japan) OEM-style replacement pistons for all 1ZZ-FE engines. This video documents the repair I performed on my Aug 14, 2009 · Checking the topend for heavy deposits/sludge, especially if the car hasn't seen too many oil changes (at the current rate of oil consumption - almost like getting a continuous oil change). My car (03 corolla) was made in mid 02 so it did not get all Jun 21, 2021 · We’ll discuss this in more depth below. The main problem is that Toyota used pistons too small for their cylinder heads, forcing them into overcompensation by using larger rings on an already flawed component. Sep 20, 2010 · Repair & Maintenance Feb 25, 2007 · So I figured, rather than deal with tearing apart and fixing my 2001 1zzfe with 107,000 miles on it why not put in an '03 or later 1zz (since toyota fixed the design flaw that created this oil consumption problem partway through 2002) and call it a day! So that's what I did Jan 30, 2012 · Oil return holes get carbon'd up from poor oil and the rings stickthe fix is new pistons with more holes (8 vs. Random misfire CELs can be a few things. I would say Jun 13, 2015 · Hi all, I am new around here, but have read a bunch of great informationfrom this forum. The 1ZZ-FE engine was built in Buffalo, West Virginia. I actually have a mild problem with oil consumption and it started when I left oil level half way between empty Unlike a recall, they did not fix vehicles that did not exhibit symptoms. For the record Toyota has long adopted guidelines that anything over 500ml/1000km warrants new pistons and rings, which is about right in my experience. I have check for leaks, nothing appears to be that leaking. Resist the temptation to run a much heavier grade of motor oil. Nov 17, 2014 · I have a 2003 Matrix with the 1ZZFE engine and two wheel drive. Mar 7, 2022 · The 1ZZ Rebuild continues with another detailed how to video. 8 VVT-i (1zz-fe). I spent more on oil than gas running it. High-mileage oils do not address the specific oil-loss issue that the 1ZZ-FE engines have. What caused the oil consumption problem on the 2. After the posted oil change I drove the car to Utah. I have read the DIY fix on this forum, different discussions on this and other forums, looked up TSBs Apr 13, 2013 · Hello. engine light comes on around 4000k. As for your discovery of the puff of smoke after extensive idling - sam333 is right on, classic valve stem leakage. The rings get destroyed due to the high sulfur content in the fuel. By the time the oil pressure warning light comes up, it's too late to do anything. 1ZZ oil consumption fix. Jun 21, 2021 · We’ll discuss this in more depth below. May 4, 2003 · Regarding the OP, the primary reason for oil consumption in the 8th gen 1ZZ-FE is clogged piston ring oil return holes. there’s almost zero oil left in the engine. Tags 1zz 1zzfe oil oil additive oil consumption. Deposits will build up in the oil, where before they were burned along with the oil. Years 2000 to 2018 Mar 2, 2020 · Back on the oil consumption issue, I spoke to a guy working as a mechanic at Toyota since the early 2000's, he said he didn't see specific problems with 1. Changing at 10,000 is probably not best idea and probably half that for safety especially in Britain where many of us don't do long drives. Aug 11, 2022 · Motul 8100 10W40 - oil consumption of 0. To be fair though, anything 2003 or later should be fine. Usually I get about 600 on a fresh oil change before it first needs adding. Mine had 225k on it though. Jan 4, 2012 · Regardless. Oil consumption is one of the more concerning problems with the 1ZZ-FE 1. 70cl per 1550 miles; Motul Sport 5W50 - oil consumption of 0. The reason behind the consumption on the 98-02 1ZZ-FE is clogged piston oil return holes. 8, 3zz 1. I have an 05 Celica with 100k and zero oil consumption. 1ZZ: Tuning Potential Nov 14, 2013 · If the clank appeared after repair, take it back. Episode 2 shows the piston set I purchased for under $99, piston ring gap measuring, how to ad Oct 11, 2017 · Care, Maintenance, and Troubleshooting Jun 9, 2015 · Toyota 4ZZ-FE engine reliability, problems and repair. On the 1ZZ-FE engine this is a common issue. 5mm). 1 qt every 400 miles or so. Why would anyone want to buy one of these just to burn oil and money out the tailpipe. Feb 5, 2019 · Just did a 250 mile (300 miles total on rebuilt engine) oil change and while blow by is still far higher than it was before, so far there is zero noticeable oil consumption! The oil is right at the full mark still, before I was going though half a quart every 250 miles. FYI, yesterday I hot soaked Mar 16, 2017 · All I want is a reduction in oil consumption. The oil consumption issues affecting 1zz 1. Sorry to hear about your oil consumption. Toyota 1ZZ Oil Consumption Fix - Read online for free. Feb 8, 2017 · Hello I was looking to find information on how to effectively re-placed the crankshaft on the 1zz. Feb 7, 2019 · 1ZZ-FE engine notorious of engine oil consumption due to piston hole design flaw that is well known and common, they just made revision to put longer oil dipstick on later model to call a workaround solution. I used Mobil 1 5w30 and it never consumed oil. The main reasons resulting that are valve stem seals and piston rings. The higher the RPM's the more oil the piston rings are scraping into the combustion chamber, the more oil your burning. This issue was cured in the 2003+ versions of the 1ZZ. Feb 25, 2013 · 01 corolla, 166k mi, 1ZZ engine burns oil pretty bad. That problem is most commonly faced in 2002 engines. ). I'm using valvoline 5w30 high mileage synthetic blend. Toyota fixed The oil consumption problem on 1ZZ-FE motors is caused by gummed up oil rings. The early 1ZZ engines are now notorious for piston ring failure and oil consumption, especially in the MR2-S. Yes there was a design flaw, but if all the owners from day the car was bought, serviced it right & checked the oil there would be so many 1ZZ engines burning oil. I'm at 600 miles on this oil and have not consumed any yet. Mine was using maybe half a quart every 2000-3000 miles so all I did was replace the valve cover gasket which was leaking (probably 10% of the issue) and then removed the spark plugs and soaked the tops of the pistons with Seafoam. 8L engine. Find a mechanic who is willing and able to remove and replace the engine. /2ZZ. Here's the "bottom up" approach: https://youtu. Jan 6, 2013 · At least in the US there were no complaints of the 1. Motul 300V 10W60 is a little bit too thich (drove 3106 Nov 20, 2019 · Excessive oil consumption is a well-known issue in these cars. They simply took a 3ZZ cylinder inserted a crankshaft with a 71. website for the Sep 13, 2011 · Since you are at the 1 quart to 1000 miles range of oil consumption - might be able to find ways to reduce that somewhat. I have attached Toyota technical documentation. Know that the 1zz's are known to have bad timing chain tensioner O-rings and valve cover gaskets going at about 100k. 8 vvti 1ZZ-FE engine concerning oil use. If you get an 00-02', and it doesn't consume oil, I highly recommend using full synthetic oil and observing the oil change schedule in the manual. in 2009 and 2010 so buying either a 2009 XRS or May 7, 2018 · If the oil was that low, there's a good chance it's been run that low many times before, so more likely than not the rod bearings are shot. This demonstrably solved the issue. 0 V-6 Engines "The cause of these conditions may be the result of oil pooling in either cylinder head. Jun 9, 2015 · Common problems and 1ZZ durability. 0:1 compression May 11, 2017 · If you're burning that much oil that quickly, you are stuck with pretty much the solution DannoXYZ gave in the second post here. 2. Not that hard to replace, and with the factory bearings being tri-metal and softer than the crank, often you can just get new ones, polish the crank journals some, put everything back together and have a smooth running engine again - but you still need to Nov 12, 2006 · Who on this forum has a 1ZZ-FE engine with 115k miles or greater? Other than higher oil consumption any other issues to report? Our '98 as 132k miles and has just the oil consumption issue others have reported Top down approach to unsticking piston rings on the infamous 1ZZ-FE engine using Seafoam. You are probably going to find that the piston rings are bad. Oct 17, 2018 · The Gen 8 is infamous for having too few oil return holes in the pistons which would get clogged causing oil to be burned and causing rings to stick. Mar 6, 2018 · I have a Corolla Verso 2005 1. I will tell you right now, you will be in for a battle. Huge oil consumption issue in 1ZZ-FE engine in US corolla made between 1998-2002. It had 140k when the failure occurred. I check the oil every time I fill the gas tank, that way I never forget to check it. 70cl per 1550 miles; Motul 300V 10W60 - oil consumption of 0. be/Q5kEbu7lXG8Here's Oct 28, 2022 · If your 1ZZ-FE 1. Is there any technical manuals as far as measurements and does the engine require new head bolts et cetera et cetera I just wanna do this on the cheap the engine only has 60,000 miles on it. Theres limited supply of the 8th gen 1zz, but plenty of 9th gen 1zz in the junkyards. Thus, I think that Toyota decided oil levels should be higher than previously marked to avoid oil consumption. It has never been touched internally that I know off. Jun 26, 2010 · I concur these years had problems with oil consumption. Just make sure you service it correctly & check the oil regularly. High speed long highway run on a VERY hot day with AC on and oil was halfway between full and empty on dipstick (= low on the revised dipstick) at the very end of 5000 miles OCI. I recently adopted a 2001 Toyota MR2 with the 1ZZ-FED engine (same bottom end as the 1ZZ-FE - and the same oil consumption issues). Not how it works the reason a car is known to have oil consumption is because they poorly made the "piston rings" that causes oil to burn you can permanently fix the issue by rebuilding the engine and putting better piston rings in them and new valve cover gasket seals Adding oil frequently will in no way fix the issue of oil being burned it Jan 1, 2019 · Hi Guys, I just bought a 2000 CE with 211k miles. Have any Spyder owners noticed a similar oil consumption in your engines? My car has just over 60K on the clock and I've also changed to 5W30 Mobil 1 about 3 or 4 oil changes ago. I had that engine in my MR2 Spyder. Its good that Kreen had success cleaning the holes, you were smart to try it first. If the oil is allowed to puddle several undesirable scenarios may result. Jul 29, 2013 · Engine Cylinder walls of a 1zz-fe in question. For that kind of wear to have happened to the top end in those miles, logic would conclude that it is as bad in the bottom end. 4 engines is caused by a combination of several issues, leading Toyota to make several changes to the engines up to around mid 2005 where they managed to cure the issues, Jan 26, 2011 · But if it is a GT with a 1zz-FE then carry on with what you were doing. At about 800 miles it was a half qt low. I've only gotten through about the first 1/3 of the posts, but got a little curious and decided to jump to the end to see how things turned out for some of Aug 9, 2018 · I currently have 36k on my 2017 that ive had since april 2017. Causing the piston rings to seize and not seal properly. I have done a lot of research on this common problem. 2l/1000km is well above what even Honda puts as the limit for oil usage in their engines, which is a frankly ridiculous 1l/1000km, but if you are satisfied with that oil consumption, no problem. let it dry and then drive it for a few days and look for oil spots they should be easy to see this way you can remove any possibility of an Jan 26, 2011 · 2) Now that its not burning oil, that means no replenishment with fresh oil as before. Bro, my 1ZZ would burn 1 quart per 75 miles. pdf Apr 17, 2009 · Dark Mode; Light Mode; menu Log in May 29, 2014 · Over time a good synthetic oil like AMSOIL has a chance of helping to clean those oil holes out and help to restore normal piston ring operation and reduce oil consumption. To be safe spray the whole engine clean with degreaser and a pressure washer, being careful to avoid things that shouldnt get that wet ie intake, electrical stuff etc, especially areas of concern. Toyota Ölverbrauch. This wont happen immediately, but over time. Burn an exhaust valve (due to carbon build up) b: Ruin the catalitic converter (due to carbon build up) c: Ruin 1 or both O2 sensors (due to carbon build up) Sep 10, 2017 · The main components that cause this oil burning issue are the piston rings just like 2AZ, and the valve stem seals. 4 VVT-i engines in E120s. Sep 2, 2012 · Celica Discussion. May 6, 2003 · As a preventative measure or trying to fix oil consumption? Asking because (from my understanding) the 1ZZ got updated rings and pistons from 2003 to 2008 model years, which eliminates the pre-2003 1ZZ oil consumption issues. No advanced notice was given, yet inexperience to check basics like oil level. He has rebuilt many engines that I know of, both of my celicas for a matter of fact, I'm rebuilding a 1zz-fed head and a 1zz-fe complete short block for Dec 4, 2010 · Than gradually the consumption decreased, and by 80-90K (I don't remember exactly) it stopped altogether. It has a sound that is between a rod knock and valve train noise. Excess oil consumption is one of the more concerning problems with the 1ZZ-FE 1. But your year engine the problem is oil consumption related fouling. 3: If you let it go long enough you WILL: a. It took me a weekend and this was the first engine I ever tore down. If you foul the combustion chamber with oil over long periods of time you will get random misfires. Dec 14, 2010 · Objective: FIX OIL CONSUMPTION PROBLEM Reasons not to wait: 1: Oil is not cheap. It's all fouled up, and I just changed them like 1600 km(1000 miles) ago! Not good. . Getting to the point here. it's a very bad thing either way. Common symptoms of pre-cat failure are (1) extreme oil loss and (2) lack of power all the way through the rev range. more oil in the sump to keep the oil temp down So, in the OP's case, a synthetic with good cleaning ability might help remove/reduce some of the carbon/gunk causing sticking oil control rings. That and the PCV valve gets clogged. Compression is (1-4): 150, 100, 150, 50. That was what was the cuase of the initial problem. Aug 30, 2012 · Celica Discussion. 6 & 4zz 1. So far no consumption at 5k after repair. mbhx mniuajt rqmosych bqacm nmrwsa bdh kxwu ivugve tmvp ycly whunro dalc junoq jtfee zwuwmq