Awesome mate, as a mechanic I know it won’t make it run hot by blanking off the egr but for the non believers you did a great job of proving this is just a myth.

So EGR does reduce engine combustion temps but not directly via the egr cooler. The cooler only exists to get the exhaust temps and pressure down to safe intake levels. The way EGR reduces engine combustion temperatures is by causing a weaker/smaller combustion. If you take say 50% of the intake charge and replace it with (inert and non combustible) exhaust gas, you have (give or take) 50% less oxygen in the cylinder. Your ranger knows the position of the EGR valve and uses a MAP to adjust the injectors to suit. So in this 50% arbitrary example you ranger (while the EGR is fully open) will have an effective displacement of combustible gases of 1.6Lt instead of 3.2Lt. EGR makes your engine run cooler by reducing the power of each bang, therefore, yes blanking off the EGR will raise your combustion temperature. A bigger explosion in same space means more heat generated... ....HOWEVER, your ranger will only have higher combustion temps at idle/closed throttle compared to a non modified system. AND IT JUST SO HAPPENS that the factory ranger cooling system is more than capable of dealing with cooling an idling engine. So you will not see an increase to your running temps on your coolant temp gauge. Combustion temp is not the same as engine coolant temp. The thermometer for your coolant is not jammed inside the cylinders. - Does EGR reduce combustion temps and N-O emissions? Yes 100% - Will blanking this increase the temp gauge on your dash? No, your radiator can handle idle temps with ease. - Will the increase in closed throttle/idle combustion strength increase wear over the life of your engine? Not of much as gumming your intake valves with oil and soot crud is going to. EGR isn't there because its good for your engine or efficiency, it there because exhaust gas is nasty stuff and all the soccer mums driving their Navaras and Rams in the city will cook the air quality without it. If emission laws were abolished you can bet your butt manufactures would stop bothering with EGR altogether. Anyone claiming EGR will make your engine 'run hot' is either completely misunderstanding how combustion temps vs coolant temps work, or are deliberately creating clickbait for views. As always good video mate.

Excellent explanation, with facts. Cant beat that. Maybe the haters will now realise that a factory egr system actually taxes the cooling system , via the egr cooler. The fact its called a egr cooler surely is a giveaway.

Dude this is so deep and informative! High quality content man, I cannot believe you don't have more subscribers! Liked and subscribed - keep up the good work my man!

5 major issues with egr 1/ inlet manifold gains deposits and needs cleaning every 100,000km 2/ Egr cooler needs cleaning at the same time as egr valve every 80,000km . Egr coolers overheat and split causing engine damage from leaking coolant . 3/ poorly performing EGR systems cause poor throttle response and lower fuel economy 4/ some egrs system operate that poorly fuel economy is never stable from new 5/ some engines wear injectors very fast partly due to combustion contaminants caused by egr particles NONE OF THESE ARE KNOWN BY THE PUBLIC oz Bush Electronics

You will crack the head because the burn is hotter. I was wrong. I have now changed my mind, & I have just the other day made an STS blanking plate & removed the EGR cooling pipes on my 2006 Mazda BT 50 2.5 turbo diesel 104000 km the engine now runs cooler. You are one of the smarter people who makes KZfaq videos.👍

I have a 2017 Ranger,had AdBlue delete,EGR delete and a performance stage 1 remap today,,totally new truck to drive,gained around 60 bhp and pulls like a train.

Thanks mate looking like another tip from you that’s going to be done to the BT50 also

Thanks mate was talking to a mechanic about this topic yesterday. He talked me put of blanking & tuning it

Great video as always.

My understanding of how it works: Recirculating exhaust gas reduces the combustion temp by reducing the available oxygen in the combustion chamber. But in order to run at a given RPM, say idle RPM, a given amount of power, therefore heat, is required. (The heat expands the air which produces the power, so power=heat) So in order to maintain the same RPM, more fuel has to be injected, which ends up producing the same heat overall. This is why blocking the EGR will slightly improve fuel economy. Recirculating exhaust gas reduces LOCAL high temperatures in the combustion chamber. It doesn't reduce the overall heat produced.

Very good video as usual keep up the good work

there are other heat sources that add to the engines operating temperature such as in an auto the heat exchange unit on the transmission adds heat , the egr cooler adds heat , the egr valve adds heat because they are all being cooled by coolant running through these devices , i have "fixed" my ranger its a process but it will make the ranger so much more reliable , not enough time to go through it all tonight but this guys video's have helped big time

Thanks, your explanation makes perfect sense.

Imagine how many engines were destroyed by faulty EGR components or the reduced lifespan of all those engines, that's definitely not better for the environment. I have a D40 Navara and since I've done the EGR blanking plate it's reduced my fuel consumption from 10.3L/100km to 9.0L/100km, with no other changes, maybe some exhaust gas was leaking past the valve??

Installed the egr blanking plate to my PX1 Ranger recently. Pain in the arse to install, (with my limited mechanical skill). But,, I feel it's providing better fuel economy, & allowing engine to breath better now. Engine temp has not changed.

blanking the EGR is pointless. like you said it only opens at below 30% throttle. stick a catch can on and the EGR is never a problem. it's a system designed to lower NOX emissions at low load conditions like idling and town driving. it does just that. before I understood how the system worked I was one of the people that thought the EGR was making the engine run worse for the sake of lower emissions but that's not the case. any throttle position where you would notice power differences has the valve shut unless the unit is defective or clogged up with sludge which is why a catch can is a necessity on diesels with an EGR system.

Excelent video. Ranger PX1. Why to install a plate if you can install a plug and play egr delet (for example diesel boss)

EGR delete run together with my staino snorkel, pod filter and tune. Car seems to be running cooler when idoling between traffic lights

It seems to me that that the EGR system is there primarily to reduce NOx emissions in built-up areas (where you're likely to be travelling under low engine loads). NOx reduction in built-up areas is primarily desirable - indeed necessary - to improve air quality. High levels of NOx in highly populated urban areas does indeed kill people and makes life damned miserable and in many cases unbearable for so many more. This video is an excellent demonstration that there is no EGR under high engine load. And if there were then it's likely that - EGR cooler or not - the engine and head of the motor would run hotter under high loads. The EGR cooler would likely be pretty useless when the engine is working hard. But at the same time, it probably is true that at lower speeds and loads - when EGR actually is happening - EGR cooling is probably necessary in order to reduce undesirably higher engine operating temperatures and particularly when it comes to the thermal impact on components in the engine head (that due to their nature and function aren't cooled by the engine cooking system) that might be reached if EGR gases weren't cooled at all. I'm not an expert in this area at all. But this explanation would make sense.

Does the fuel map change when EGR is open? Could we be running lean with our blanking plates

Can I only blank the one on the passenger side?It will be much easier.The one by the exhaust manifold is a huge job for me.

I have an XF falcon. The EGR is coked up and permanently open and it idles like a sick goat. I'm going to blank it off now.

A combustion chamber is designed to operate at very high temperatures. One or two degrees from blanking the EGR is not going to damage the engine. What do these people think, that the combustion chamber is going to get too hot and crack? What is going to happen?

Does blanking the EGR give an EML? Want to do it but also don't want to have to mess about for an MOT here in the UK. Thanks in advance all.

So what this tells me is that you need the egr the most when you're sitting in traffic in cities at stop lights or heavy traffic. It's pretty much exactly when you would want it. When you're near stationary or stationary, with lots of other cars and people around, you and the pedestrians are not breathing in so many harmful gases....

Good content as always good sir. Just a question, whats ur take on silicon turbo and radiator hoses? Im planning to replace mine thanks

The critical million dollar question I’m asking myself is what about car insurance cover in a major $$$$$ accident ?? …. If the car is unroadworthy it is potentially not insured and gives your insurance company a way out to diminish or refuse your claim . Any advice on that would be appreciated.

Can we add an extra "oil cooler' to aid in cooling the engine to compensate for blanking the egr?

In some countries the Rangers come with no EGR system installed. It's a complete factory delete. Personally, I don't really care about performance gains from an EGR delete. I just prefer to not have carbon gunk buildup in the throttle body

Maybe a loaded question…would this apply to most diesels? Done it to my old camper due to clogging and felt it made a difference (wishful thinking maybe…but it did stop the shooting up). Want to do it my new Fiat Ducato camper, and probably my x350 (yup.:.I know everyone hates them 😂).

Depends on your definition of hotter. Not hotter coolant but hotter combustion and more NOX.

Since the 70`s egr has been an issue . Never been an issue in regards to temperature when the egr is blocked . An engine likes to breathe fresh air .

Hey mate, can regular cleaning of the carbon buildup in the engine prevent EGR cooler problems?

Hi.My 2012 3.2 ranger turbo has blown....We had already spent a quite alot money replacing other parts like injectors and other stuff.Would you recommended we fix it and sell it or keep it?It now has 260 000km on and it is a automatic

Where on earth did you get that strange 1 John 4:4 from? Mine reads But you belong to God, my dear children. You have already won a victory over those people, because the Spirit who lives in you is greater than the spirit who lives in the world 1 John 4:4 (NLT) and here is the same verse in the LSB - You are from God, little children, and have overcome them; because greater is He who is in you than he who is in the world.

Did you have to change the code in ECU after blocking and bypassing the EGR?

hi there, just want to know will blanking my egr system will it put it into limp mode?

I am considering buying an Everest. I hear the EGR coolers fail which can ruin your engine, not sure how true that is. If you block the EGR, does that remove this risk or is the risk still there?

Great news everyone, I fucked off my ranger and replaced it with a plug in hybrid peugeot 3008, so far I have drived 2,860 Kms on my first tank of fuel and still have plenty of fuel range. I charge i daily from my solar at work and have the dino juice for long trips. No more clogged EGR and it has a quick 0-100 in 5.7 secs. Looking forward to the plug in ranger next year, maybe it will be tempting me back :)

The role of the EGR is to maintain an even temperature during the running of the engine, mostly at idle and low load RPM. This is similar to a Petrol engine closing its throttle body gate to reduce air, hence the effect is the same, it creates a lower oxygen environment for the fuel to burn thus lowering the temperature of the gases during the ignited stage in the cylinder. That’s why you pull over when a petrol engine overheats. You let it idle to cool down. A Diesel cannot do that without an EGR. But yes the consequence is soot and deposit build up that requires extra maintenance.

This is HOT!

What app/OBD2 are you using to read your egr please?

Absolute common sense, unfortunately it rarely prevails

The FORD IN Ford makes it run hot and destroy itself

Can you just install a blank plate or it requires more than that? I mean it’s must to make changes in ECU and tune after installation of blanking plate?