🛠 EGT sensors - everything you need to know [and then some] | TECHNICALLY SPEAKING
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- Опубліковано 8 лип 2024
- #haltech #egt #tuning
Exhaust Gas Temperature (EGT) sensors offer numerous benefits to tuners, not the least one of them being the ability to monitor, tune and even set up engine protection strategies on individual cylinders. But there is much more to EGTs than that - luckily Tuning Fork is here to educate us all.
Make sure you watch till the very end if you want to win some cool Haltech merchandise!
Got a topic you'd like us to cover? Leave it in the comments section!
Shortcuts:
00:00 - Intro
00:35 - What is an EGT sensor?
01:09 - What is a K-type thermocouple
03:00 - Open tip or Closed tip?
05:18 - How and where to install your EGT sensors
07:30 - What are they good for?
11:15 - Configuring EGTs in NSP
15:20 - Using EGTs for Engine Protection
17:53 - Live Demo
20:00 - Snap Quiz!
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This video is longer than the older Technically Speaking ones I'm used to and Scott seems to be having much more fun, EXCELLENT! Keep them coming guys!
Thanks for the feedback:)
Good
Ignition pack/coil on cylinder 2 :D
Thankyou for helping me see them as useful and not just engineered problems.
Congratulations to our winners, well done! The correct answer to Scott's question is - ignition coil on cylinder No.2.
Full range of our 35th Anniversary merch: www.haltech.com/celebrating-35-years-of-awesome/
Exhaust Gas Temperature (EGT) sensors offer numerous benefits to tuners, not the least one of them being the ability to monitor, tune and even set up engine protection strategies on individual cylinders. But there is much more to EGTs than that - luckily Tuning Fork is here to educate us all.
Shortcuts:
00:00 - Intro
00:35 - What is an EGT sensor?
01:09 - What is a K-type thermocouple
03:00 - Open tip or Closed tip?
05:18 - How and where to install your EGT sensors
07:30 - What are they good for?
11:15 - Configuring EGTs in NSP
15:20 - Using EGTs for Engine Protection
17:53 - Live Demo
20:00 - Snap Quiz!
When engineers were testing the 250,000hp nuclear scramjet engine for Project Pluto, there was no temperature sensor known that could measure the exhaust temperature, instead during testing of the full size engine, they designed a calibrated optical system to gauge the temperature, to determine how well the internals of the engine reacted to full power for 20 minutes. Pluto was an armored cruise missile, the size of a locomotive that flew at Mach 3.5, at tree top height, and its shock wave would have killed people on the ground.
Man I love the way you explain it amazing
Cool video, was contemplating egt on my 7, will wait until the next time I have to pull the manifold, and yeah you unplugged the coil pack
Unplug the ignition coil on the cyl 2, love ur videos Scotty!
you sure know your egt's well done
Great video. Most helpful mate! Thanks
scotty is always a fun watch
scotty, you ever wanna do a sloppy radio show with me?
Yes! This needs to happen
Yes
Do it.
Now this would be great
Haltech, Sloppy is a legend. We are talking strange, possibly troubling cult like following. It would be really cool to see some collaboration between Sloppy and Haltech on LS motor integration of your products.
mmmm the purity of instrumentation. No lies, just data.
The fact that you removed something do result in a temp drop on cylinder 2 means its likely the coil plug. But if you had not known the action that caused it, you could also think it was running rich. You could confirm this with the wideband as you have 2.
They are a tuning tool like a knock sensors and O2 sensors. They help optimize tuning per cylinder if you delve into it that far.
O2 sensors are there to make sure the cat is working aka its for environmental reasons
@@justarandomguy3969 you my friend , are SOOOOOO wrong... :)
@@bogdy2p hahah, go back to school XD
@@justarandomguy3969 if you think that the O2 sensors are only for environmental reasons , it's pretty clear that you don't know anything about the stoichiometric ratio of fuels , and the advantages/disadvantages of running an engine too rich / too lean . Pretty sure that you should look into it .
@@bogdy2p i never said it was the only reason, but it is THE reason it was invented/put into cars. Its also the reason all modern cars have 2-3 of them instead of 1
Can you guys do a video on open loop vs closed loop and how these interact on a stock engine? And vs how they operate on a tuned engine?
Reconnected the O2 sensor taking the a/f ratio off the egt’s and putting them back on oxygen sensors or closed loop
Awesome
I need something like this at the moment to find the gremlin I have running around my engine
Coil/ignition on cylinder 2!
Question @Haltech; @16:27 in the example you give where you can turn off that cylinder #2 if the EGT goes above the set limit. Instead of turning off that cylinder can you in the ECU have the Fuel injector send additional fuel for added cooling of that particular cylinder??? & would this be more beneficial? I can theoretically see the benefit in this but just curious
What went wrong? @20:47 The EGT 2 shows it's a lot cooler than the other cylinders and thus I'm going to say It got more fuel as a result of no spark which resulted in the cooler readings & the engine mist or poor running condition... ?
Do you guys ever drywell test your setups to see if there in any difference between each ones?
Cylinder 2 ignition coil was unplugged, agreed.
What are your thoughts on using egt sensors on 2 stroke engines? Specifically a 1975 kawasaki h1 500 triple.
Speaking about egt connectors, if you hate money you can get size 20 pins to suit deutsch or similar connectors. They're like $20 bucks a pin tho.
I already have a TCA8 with my Elite 1500 for my 4 cyl egt's. If I get a thermocouple for oil temp. I know you can set it up to log it as oil temp. Can you set it up also for engine protection?
Cyl 2 lost ignition, fuel or spark based. Damn Scotty, now I cant get an engine done without per cyl egt monitoring.
Is there a setting you can put in to detect sudden drop on one cylinder, so if the variance between all 6 is too far it will put the engine into protection mode, rather than only having a min or max value for engine protection.
Unplugged the coil to #2
I believe you unplugged the coil pack of plug lead on CL.2
Which is the different on temp if i put the sensor in the turbo manifold?
Unplugged the cylinder 2 ignition coil.
Can they be mounted on the underside of the runner, or do they need to be on the top?
Number 2 coil on plug.
On your software and hardware is it possible to run 4 o2 sensors and 4 egt sensors? I don't want my built f20b engine to blow up due to lean condition in cylinder #2 or #3. I want to control all 4 injectors plus also have vtec engaging
can the bungs be added to the bottom of the runners instead of top?
Video suggestion - Biggest dyno fails the Haltech team has ever seen. Thought of this while rewatching the G6E tuning series, when Scotty mentioned the idea of turning up to the dyno with flywheels / driveshafts / CVs improperly attached. There's gotta be a few good stories there
We did something similar with the best/worst tuning practices, definitely a few good stories there: ua-cam.com/video/TaW7QbVBHZs/v-deo.html
@@haltech Cheers :) Keep up the good work!!
Unplugged coil pack no.2 cylinder
Unplugged the coil pack on cylinder 2?
Hello from Finland! You wanted to know what happened to your test engine? I am going to guess that you unplugged number 2 cylinder coilpack was unplugged and im basing my guess on that because your number 2 cylinder exhaust gas temp went down right away amd your short term fuel trim is trying to reduce the ammount of fuel.
What’s the long term affects of not having them changed?
Fun fact. The type N thermocouple was developed in Australia.
No ignition cylinder # 2. Also notice the wideband was disconnected and connected back on.
cylinder 2 coil plug
How many k's would you usually get out of them?
Good video, it looks like scott reached over to unplug the coil pack hence the drop in cylinder 2 egt. The wb barely ran leaner though, is this because the engine was at low load. Would it be much more obvious at higher engine loads?
Unburnt fuel can displace oxygen in the exhaust and show a rich condition or a large volume of oxygen with no fuel can show a lean condition, depends on your misfire condition, you need to look at the total picture, not just what the 02 sensor is doing, to determine what is occuring.
Ignition Coil on cylinder 2 unplugged.
#2 injector, temperature didnt seem to drop fast enough for it to be a coil?
Dude I work in a factory and these thermo couples are all over the place rarely do they give issues its usualy they get broken or wiring chafed thru so I can attest to the durability of these
unplugged coil cyl 2 :)
Cylinder 2 Ignition coil
Why is there a difference in position between NA and boosted applications?
i can say the 4 egt's i got on my sti is great. When i 2step my motor at high psi it has saved me and thrown limp mode at track. 920 degrees 2 cylinder's shutdown
u pulled a injector . my egts are in by eye and under no load are 20 dregrees out, but under full load WOT there within 10degrees. that at the track
Disconnected the spark on cylinder 2?
Ignition on cylinder no 2
Can EGTs go on the underside of the runners, or is this a bad idea?
You took out the 2 Egt sensor. Anyway, I don't think the T-shirt is available anymore. :)
Removed cylinder 2 plug lead or injector connector
Number 2 injector connector
ignition coil unplugged in cyl 2
Unplugged cylinder 2 coil
Unplugged cylinder 2 ignition coil
hello,i have a 350 cdi stage 1,after stage 1 at high speed 175+ engine lose power and fault code is egt sensor bank 1 sesnor 1
Coil on cylinder 2
Looks like cyl 2 unplugged - temps dropped quick so fuel still spraying.
Are egt sensors good for tuning ?
Cylinder 2 ignition coil unplugged
coil on cylinder 2. The temps was going down. Let me think that fuel was getting out and cooling the sensor
Can the EGT Controller also work with other tempsensors? For example with a bosch Kombisensor?
why is there a difference in performance of the depth of insertion of the EGT tip. what changes between naturally aspirated and turbo charged.
Hey mate my diesel egt's both read 80 degrees celcius when engine is cold, they do rise when engine is running. Im having issues with car . Is that normal?
Cylinder 2 Ignition coil unplugged, Temp on Cyl2 dropped off showing no spark.
Cylinder 2 coil unplugged
unplugged cyl2 injector?
unplugged cylinder 2 coilpack
Why not just have O2 sensors on each exhaust bank instead of EGT's? Is it because of the limited temperature range of oxygen sensors compared to the k-type temperature sensors?
Crank trigger input
Anybody have any opinions on longevity of EGT probes pre-turbine? Is it worth the expense of getting a inconel sheath? Still suggest running a open probe?
I am considering getting open tips to verify the tune is healthy, then either removing them entirely or swapping to closed tips to watch for radical changes.
Where would I install an egt probe on an ecoblue 2 lt ford transit
Cylinder 2 injector disconnect?
unplugged injector cylinder 2
Looks like the injector was unplugged on whichever cylinder number 2 thermocouple was connected to.
Fuel injector cyl 2
Not quite 😉
EGT2 unplugged... Also can you run an o2 sensor per cyl? would this give you a similar view of this info in another way?
You could, but it's a $5 thermocouple or a $500 oxygen sensor...
You unplugged cylinder #2 coil pack temperature dropped due to no spark to ignite the air and fuel so that cylinder starts to lose temperature
You unplugged the coil on #2
Disconnected injector plug?
Cylinder 2 coil pack
You unplugged the coil on Cylinder 2
Injector cylnder 2
Hello, you disconnected the coil on #2
Cylinder #2 no spark/fuel
Can you guys bring back the black t-shirts with the yellow logo?
Fuel injector, cylinder 2. Scotty's hand was way too car from the center of the cylinder head to be a coil... I know I'm probably way too late 😭
number 6 was diconnected
Cyl 2 coil pack
Fuel Injector
Cylinder 2 coil ... but I want a nexus not a tshirt please ;)
How about a tshirt with a nexus on it?
Exhaust Gas Temperature (EGT) pre-catalyst
Exhaust Gas Temperature (EGT) post-catalyst
How do they calculate the temperature? Because
one calculates very quickly and the other calculates
much more slowly. And lags behind.
Volvo xc 60 2.0 disiel D4 engine
injector 2 unplugged!