Oil Life Sensors

Trust it. Every 3000 miles is too frequent.

Didnt change oil on my shitbox for like 4 years.

>>15412943
Care to explain how " Every 3000 miles is too frequent. " would do any harm to your car ?

that's like changing the tires before they go bald.
the only harm is pennies to your wallet ( and if you're not a faggot you can change the oil yourself)

>>15412943
>but my car's manual just tells me to look at the fucking sensor.
So then do that. Why the fuck would you trust 4chan over the engineers that designed the car?

>>15412986
Wasting finite resources is harming the ability to drive your car into the future, numbnuts.

>>15412943
The Honda stealership I used to work at always told customers to follow it. Nigga the engineers did that. If it says in the owners manual then do it.

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>>15412991
why should I trust you when you tell me to trust the engineers that made my car?

>>15412943
Trust the sensor, but still check the oil level and add if needed.

According to that picture, you should change it every 4000 miles.

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>>15412943
Are you fucking retarded? Oil changes color over time when all the additives are used up. Have you never seen oil before? When it's fresh and new it's a honey gold color and when it needs to be changed its dark brown or black. I swear these fucking car noobs are killing me

>>15414881
Haha wow dude literally kill yourself!

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>>15414888
Haha wow you don't know shit!

>>15414894
The darkness of the oil doesn't mean much actually.
>>15412943
Trust the sensor, lots of research and testing goes into those oil life monitoring systems, they aren't simply a mileage counter, they monitor everything from temperature of the engine to hours of idle vs hours of driving.
They got that shit dialed in, follow the OLM.
http://bobistheoilguy.com/forums/ubbthreads.php?ubb=showflat&Number=2112940

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>>15414911
in diesal engines it doesnt. in gasoline engines it does. and if you think it doesnt you are sperg. change the oil in your car and run it until its black. that shit is fucking disgusting and smells terrible.

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>>15414940
>it smells bad so it's bad
Lol so scientific. Wow.

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>>15414962
>believing the color of the oil has nothing to do with the longevity of it
>being this retarded
confirmed never worked as an oil changer or a mechanic.
have you ever changed oil that was completely spent? blacker than fuck on your glove? yeah it smells like shit.

>>15414962
Yiff in hell

>>15412943
>Are these things at all accurate?
The algorithm seems to be accurate enough in my 2016 new Chevy car. It advances according to mileage as well as other weighted items such as lots of short trips which it considers severe service. I had a long stretch of short trips and it moved down quite a bit. Then I drove a various longer mileage trips which was approx the length of all the short trips combined, and the percentage only moved down a fraction of the percentage of those long trips.

Hmm, my Chevy dealer refuses to allow any free oil changes until the sensor drops to below 10% left. I was also told a max of one per year. The service writers (both of them) refused to write the policy down on paper though. They just wanted to discourage use of the two free oil changes so that they could charge full rate for non-free oil changes. GM pays them less for warranty work, so they try to disqualify (cancel warranty items) or discourage them by refusing to write them up.

I am sure the engineers must have designed the algorithm to take total mileage into consideration as older engines may have more blowby contamination of the oil. My unhelpful Chevy dealer certainly will not tell me any details. At the current rate for my driving style, it will be about 3600 miles to get to the 10% point assuming that the scale of 0 to 100 is linearly deducted.

>>15414881
>Oil changes color over time when all the additives are used up.

It primarily changes color when the impurities in the oil are oxidized by the engine heat and are then reabsorbed into the oil as a color change. It's why full synthetic oils that are fairly homogeneous remain fairly clean looking compared to either a full dinosaur oil or a blend of synthetic and dinosaur oils which will become much darker in the same amount of time.

I have seen that pattern in my three previous cars in which I had a blend and then switched to full synthetic. As part of the experiment to see how dark the full synth would get, after I drove 500 miles on the OEM blend, I switched to full synthetic with a oil/filter change and drove 20 miles.

The new oil hopefully mixed with the remaining dark blend oil to clear it out. I then got another full synthetic oil/filter change. The oil that was drained out was only somewhat dark with a lot of amber left. After idling a short time, I checked the color of the oil and it was only slightly dirty. This was now the baseline color as I was unwilling to get a 3rd full synth change just to try to get to really golden amber oil in the engine.

After driving 500 more miles, it is still fairly amber. So clearly, the blend got dark fairly fast while the full synth did not get dark anywhere as fast and still is fairly amber. It had only a small change in my fairly new engine.

I believe this is just one empirical observation of the difference between full synth and conventional oils.

>>15414962
yiff in hell faggot

>>15412943

I do mine once a year, so every 10k or so. Car is on 220k and working perfectly fine, I think every 3k is excessive but if it makes you happy fire on.

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>>15414999
The color of the oil is just that, color.
You cannot tell if oil is full exhausted by a simple visual check.
You can tell if it's used or not, but fully depleted by a simple glance or smell?
How about no.
And yes I'm an actual mechanic and do oil changes daily, that doesn't even make me qualified to determine if a vehicle is ready fur an oil change by simply glancing at the color of it.
Nothing does, nothing except an actual oil analysis.
Or if it's full of water and looks like a milk shake, then you have issues.

>>15415169
>Or if it's full of water and looks like a milk shake, then you have issues.
That's what your mom told me last night, bitch

>>15415169
how much would you charge to do a head swap

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>>15415194
K

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>>15415213
Depends what car it is and how many heads it has

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>>15412943
As a rule of thumb, you should follow what the oil life sensor says, especially if you have a diesel and very especially if you have a diesel with a DPF.

Anyway, if you feel really paranoid, there are a bunch of kits you can find online that you can use to test your oil and see if it's still good and usually they work on various types of fluids as a bonus.
They range from the cheap, but still functional "drop oil on this paper and see how the stain compares to a chart" kits (like pic related), to one-time basic electronic kits, to full blown lab-grade analyzers.

>>15415225
I dont know if youre still on but would you ever consider doing an engine swap/carb to efi/cluster/ecu/ wiring harness? And how much would you charge for all of that?

>>15415225
these spax screws in the background combined with the rest of the image give me thrills

>>15415313
That's something I would have to have the car and everything in front of me, no way I'd try to do that without everything in front of me.
Chances of everything working right the first time would be low and 99% chance of it needing to be troubleshooted before the car would even start lol
What car btw I'm curious now.

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>>15415355
1990 toyota tercel
Ive been wanting to put a 4efte in from a starlet and i even bought a fuel injected beater for 358 to swap the head and fuel injection system but the guy spliced the wiring harness so the fan ran off a switch and there were a ton other hurdles and i had to dump the fuel injected car

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>>15415355
The plan would be to get a front end of a starlet so you have all of the bits with it, the engine mounts are the same

I even got in contact with this guy in south america who has the same car and was able to do the carb to efi and engine swap himself.

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>>15415385
Another photo of his car

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As Hank Hill always says, "I change my oil every 3,000 miles or when I get bored. Whichever comes first."

>>15415385
So what's the hold up really?
I mean I've done zero research into this swap but it seems pretty straight forward.
You'd take the ecu and harness and engine or whatever little bits you need and put them in your car.
Engine swaps are pretty easy but it's hard to make everything work like it did from the factory lol things like the gauge cluster and all that

>>15415390
That shit looks pretty sick desu

>>15415401
I dont know anything about the electrical side, the lights from the one i saw ran different, the interior has to get wired along with the cluster. The fuel doesnt seem too bad because theres inline pumps but it's right now a lot of work for 1 guy. I only have the street i front of my gfs house to do the work

Do you live in the states and think this is something youd be willing to do?

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>>15415430
I live in Las Vegas and if you were local I'd totally be down to help but I doubt you are anywhere near me.
Doing this all on a front street will definitely be an interesting project lol
Electrical can definitely be daunting, I'd deffo recommend you get help with that aspect if you're not comfortable with it.
I just stripped this harness down to the bare essentials and made a custom fuse/relay panel fur my LS swap.

Is changing oil every 5000 miles with synthetic too often on a 1MZFE car? My car is a 1999 Camry V6.

>>15415435
That is nice, i remember i felt confident as fuck i even mapped out the whole wiring harness and took a break then when i came back i saw that the wires left the fusebox and went to the front and back.

But bro i live in washington and have family/friends ive been meaning to visit in california which is very close to las vegas. Do you have a website for your shop/ work email?

>>15415399

fix it again tony

>>15415440
I do most of my work out of my garage since I have all my shit like welders grinders etc at home, don't have any cards yet but you're free to email me at [email protected]
I have a YouTube as well where I post auto related videos it's not very active right now been super busy.
https://youtu.be/OLRglsQxatg

>>15415437
Theres no such thing as changing your oil too often, unless you think ground metal bits in your primary lubricant enhance the performance of your engine. You are on a forum with trolls.

>Oil discussion
Maybe you guys could answer this?
>>15415314

>>15415450
Just use 5-30 it literally doesn't matter.
I use 15-40 in my cars which call fur 5-20, they run fine.
It's not going to hurt your engine to run 5-30 when it calls fur 10-30.

>>15415437
Yes that's overkill, but it doesn't really matter.
I'd take it to at least 7k before even considering changing it.
Since the car is so old you should be checking your oil often as well since lots of old cars tend to burn oil.

>>15415445
Im subscribed and shot you an email

Going to try and get some sleep, im leaving in 3 hours to head an hour north and work on a house like a beast

>>15415446
>>15415465
I am burning about half a quart by 5000 miles. I want to get another 100k out of this car before I get rid of it.

>>15412943
From what ive seen on BITOG, 7,500 miles seems to be the average lifespan for oil in average driving conditions regardless of engine size.

>>15414999
https://www.youtube.com/watch?v=oi_J4SZUlSo

>>15414999
>confirmed never worked as an oil changer or a mechanic.
Confirmed for being retarded and thinking mechanics know anything.

>>15415437
RTFM
>>15415446
Don't listen to this idiot.

>>15415169
I'm not talking about just smell you cock. Like I said change the oil in a gasoline car and run it for a couple thousand miles and keep checking it until it's literally pitch black against your glove then tell me I'm wrong.
Boomers think they are right. This ain't the 70s and 80s old man

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>>15415741

>>15412943
Hey guy, so most of the reason oil goes bad is it accumulates what are called "acids of combustion" that enter the crankcase by passing the piston rings as "blow-by gasses"

New engines don't have as much blow by and burn much cleaner than before, so follow the goddamn clock

>>15416656
do me a favor, never breed.

>>15412943
Proptip: there is no "oil life sensor"
It's an oil life estimate made by the computer based on driving conditions, habits and mileage.

>>15418663
>Proptip: there is no "oil life sensor"
Hey, stupid, you're wrong.

>check dipstick on flat ground
>is oil level low?
add oil
>is oil black?
change oil

>trusting your shitbox's computer

>>15418825
Prove it

>>15412995
FINITE RESOURCES
fuck off in your 30mph electric shitbox.

>>15418859
http://www.pelicanparts.com/BMW/techarticles/BMW-3-Series-E90/ENGINE-Oil_Condition_Sensor_Replacement/ENGINE-Oil_Condition_Sensor_Replacement.htm

Here's one off the top of my head.