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Oil Consumption


Speed_Chaser
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Does anyone know how much oil goes into Auris 2007 with 1.6 petrol engine? Mine seems to consume a lot, mechanic told me there's approx. 1 litre less now than a year ago when it was serviced and filled. Not normal obviously. And I've been checking it during the year it was between the min and max limit.

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Most manufacturers would consider up to 1 litre of oil per 1,000 miles to be acceptable level of oil consumption.

If I understand it correctly you have used about a litre of oil in a year. How many miles have you done?

Oil capacity of that engine is )from memory) 4.3 litres including the filter

.

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Thanks for response :) I've done approximately 8000 miles since the last service which was one year ago.The dealer told me this is not normal on this model and engine, but I would consider it to be normal. Especially when doing aggressive driving not just rolling every day like on a weekend drive and making everyone nervous.

Actually to put this right I think oil consumption is normal, but topping up should not be necessary if everything works correctly. On some cars this is a "feature" though and they require topping up during the year between servicing.

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One liter at 13 000 km it's a normal oil consumption; even 1 L / 5 000 km would be ok.

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1 litre of oil consumed in 1 year/8000 miles is pretty healthy if you ask me. I am sure the owners manual for my 2002 1.8vvti avensis stated up to 1 litre/1000 miles was acceptable with this engine. Personally, I found that quite shocking but put it down to an awareness by Toyota if not an admission that the vvti engine could get fond of oil as the miles accrue. Up till now 1litre/8-9,000 miles would bd acceptable but a higher consumption is becoming excessive oil use in mind.

Some US owners with the 1ZZ-FE that I have reported oil use of a quart per 250 miles or less with a quart being roughly similar to a litre.

My 1.8 vvti is using a little less than half a litre per 4000 miles

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Do you check the oil at least once a month or even at all? Some say check the oil once a week.

Your engine is doing well to loose 1 litre over 8000 miles. Many would love an engine like that. That is a very healthy engine considering it has to work hard with the lowish gearing, high motorway rpm.

Your dealer says it is not normal for your engine, what are they implying?

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Do you check the oil at least once a month or even at all? Some say check the oil once a week.

Your engine is doing well to loose 1 litre over 8000 miles. Many would love an engine like that. That is a very healthy engine considering it has to work hard with the lowish gearing, high motorway rpm.

Your dealer says it is not normal for your engine, what are they implying?

Yeah Konrad, that struck me as odd the dealer saying that too. Am not sure what way he may have meant it did he mean abnormally good or bad. I'd be happy with 1 litre per 8000 miles on any engine at all. but particularly a Toyota engine it seems.A late 80s and 90s Vauxhall or Ford engine I'd expect that little useage as a given but 2000 onwards it seem that using a bit more isn't that unusual perhaps it's a result of ever higher compression. Considering the acceptable oil use quoted by Toyota for my engine I'd say the dealer meant abnormally good, certainly I'd be happy with that..

My vvti now I've located a leak and factored it in seems to be close to the 1 litre in 7 to 8000 miles aswell and given it's reputation am delighted.I've always been a bit OCD over oil cos I siezed my 2.0 Cortina solid taken chances with oil 6 months after putting a con rod through the block of my.1.3S Fiesta trying to drive hime 15 miles after the oil. warning light came on...... valuable and expensive lessons both.

With my vvti I check the oil every 2nd day, often daily which is excessive but you can't take chances with oil

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I am checking once per two months or so, I haven't found it to be necessary more often. Dealer told me it's NOT normal as the level was on the minimum. I haven't topped it up as service was coming and I assumed it was acceptable for my car to lose some oil between servicing. So dealer assumed that it wouldn't go to minimum after one year of driving.

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Right that makes sense, the vast majority of the time the difference between the full and minimum mark is a litre but I wouldn't let it drop that low myself, i tend to judge it by noting how many miles till it drops a quarter or maybe a half of the max/min mark. Mine has a 3.2 litre capacity with the filter which is a ridiculously low volume of oil anyway but if I let it use a litre thats it running on a third of the recommended oil capacity.8000 miles between oil changes is too long anyway as the manufacturers recommended mileage for changing oil is judged to be in ideal circumstances but everyday driving is much closer to what the handbook classes as extreme conditions for which they usually state a much lower mileage per oil change. Personally I'd top up when it to halfway between max/min mark at the very most if not sooner.

When it's coming closer to the next service your oil will be so much more degraded because it's been used for so long and that is the very worst time to expect it to perform as well. as clean oil. To expect a significantly less old used oil to do what the correct amount of brand new oil does is unwise, if your dealer is advising you to do this then don't listen and keep. it topped up. with fresh oil..... it's not his engine that's running the very real risk. of long term damage

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Ok thanks for reply, need to take more responsibility then and start topping it up from time to time.

Is it a real risk or potential risk if I run engine with amount of oil reaching the min. mark on the stick? For example fuel tank has been covered many times on this forum and even when computer shows that the tank is empty (0 miles before topping up), there's still a lot of miles left. So it's more of a precaution than really dangerous level.

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No it's much more of a problem than running low on fuel,run out of fuel you have to go get a can of petrol and refill it no damage done but run out of oil you'll kill the engine. It not only lubricates but cools the engine too so running low on oil the engine components will be runnung hotter than normal, hotter oil is broken down easier but it also gets thinner and less effective the older it gets. Hotter engine components in the bottom end mostly more than the head so less likely to register any temperature increase on your coolant gauge tend to bake oil onto the. surfaces and oil passages which restricts the flow of oil until they eventually starve parts of the engine from. lubrication. Running it that low also means there will be.little oil. in the sump when the engine is running so it doesn't get time to cool but also when you corner and the half empty sump oil slops to the side and uncovers the oil pick up which can gulp air and starve it more.

Basically low or used oil will cause increased wear that'll wear out piston rings, bore, big ends, can lobes etc long before their time or. else major damage of failure to the engine like snapped con rod or bearings, possible sieze it completely.

You can take chances with fuel but not with oil

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Ok thanks for reply, need to take more responsibility then and start topping it up from time to time.

Is it a real risk or potential risk if I run engine with amount of oil reaching the min. mark on the stick? For example fuel tank has been covered many times on this forum and even when computer shows that the tank is empty (0 miles before topping up), there's still a lot of miles left. So it's more of a precaution than really dangerous level.

Something to bear in mind about the fuel gauge level is that the fuel pump is located in the tank, and needs to be well submerged in fuel to keep it cool. So there's probably a degree of safety/performance factored into the manufacturers' calibration point.

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No it's much more of a problem than running low on fuel,run out of fuel you have to go get a can of petrol and refill it no damage done but run out of oil you'll kill the engine. It not only lubricates but cools the engine too so running low on oil the engine components will be runnung hotter than normal, hotter oil is broken down easier but it also gets thinner and less effective the older it gets. Hotter engine components in the bottom end mostly more than the head so less likely to register any temperature increase on your coolant gauge tend to bake oil onto the. surfaces and oil passages which restricts the flow of oil until they eventually starve parts of the engine from. lubrication. Running it that low also means there will be.little oil. in the sump when the engine is running so it doesn't get time to cool but also when you corner and the half empty sump oil slops to the side and uncovers the oil pick up which can gulp air and starve it more.

Basically low or used oil will cause increased wear that'll wear out piston rings, bore, big ends, can lobes etc long before their time or. else major damage of failure to the engine like snapped con rod or bearings, possible sieze it completely.

You can take chances with fuel but not with oil

I don't agree that bottom end components run hotter than the cylinder head. Most engines these days have the combustion chambers in the head where all the heat is generated and the exhaust gas ports are located. I do appreciate that pistons are usually cooled by oil spray on the lower part of the crown but if the white metal crankshaft bearings were subjected to anything like combustion temperatures they would melt.

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Ok thanks guys, really appreciate your help! Will keep this in mind when checking the level next time. Guess it's time to buy some spare oil aswell :)

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I always have carried a 1 litre top up bottle of oil in the car "just in case". It's part of my emergency kit (but then I used to do 45,000+miles p.a. for decades & starting back when vehicles were not as reliable as they now are).

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