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Cleaning Egr.


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#1 blue flash

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Posted 25 May 2013 - 08:02 AM

morning. i know theres been a lot written on here about egr  cleaning. but would like some advice please.cars a tdi 1.8 2005,72 k miles. the have had a peek at the egr and it is getting a bit gooey. i have bought a can of wynn's cleaner but have gone off the idea of using it now after reading good and bad things about it.so i'm thinking off blanking it off.would the car need a remap or anything after putting the plate on and what would be best,an ali or steel plate.

thanks for any advice.

Brian.  



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#2 FOCA

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Posted 25 May 2013 - 09:02 AM

Hi, you should be able to blank it off no problem, usually a euro3 diesel Ford can have the EGR blanked with no problems at all, but on a euro4 the EML (engine management light) may come on (especially on Mondeos), this is just a light on the dash but this can "mask" other potential problems but can be reset with a £20 code reader, many prefer to run their cars like this than leaving their EGR unblanked  

 

EGRs can get quite hot (EGR = exhaust gas recirculation) aluminium has a realatively low melting point and alloy plates have been known to melt (depends on the exact design of the system/ how hot it gets/ how close to the exhaust the EGR valve is on the particular engine ) 

 

Mild steel rusts, so stainless steel is best - you can get ones with holes in them to let the gasses through (in an effort to stop the EML coming on) these are literally a waste of time and defeat the purpose of the plate, a solid plate stops any carbon/ muck getting through and can "fix" faulty/ leaking EGR valves  

 

Several people on the forum have fitted solid plates on their euro4 Focuses with no problem - so it seems the EML coming on is more of a Mondeo problem

 

So you can go ahead an fit a solid plate - after all,  it only costs about £5



#3 blue flash

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Posted 25 May 2013 - 06:04 PM

ok thanks for that foca,very usefull info.like you say for fiver its worth a go.will give it a go next week. cheers.



#4 IINexusII

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Posted 26 May 2013 - 03:23 PM

You should be alright with blanking it off, its been a few months now for my Euro 4 and no EML since, car running sweet



#5 blue flash

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Posted 26 May 2013 - 03:54 PM

ok thanks for that to IINEXUSII,have bought a plate off fleabay and going to have a go at it right away when it arrives.and then like the pope says,suck it and see.



#6 focus zetec s black

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Posted 26 May 2013 - 07:00 PM

ive fitted the stainless egr blank last week on wifes focus 1.8tdci ..managed two undo the two 10mm nuts and slide blank down without removing anything else...but before I did this i cleaned the inlet/egr with carb cleaneryou wont believe how carboned up inlet was...i must say what a difference its made no dangerous flat spot throttle is more responsive.at first mpg was lower but now its back to normal def best/cheapest mod for a fiver.

 

also I won a dtuk tuning box on ebay for 75 pound will be fitting tom along with a panal filter



#7 blue flash

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Posted 27 May 2013 - 10:06 AM

thanks everyone with your answers.so do you all think it would be better to give the egr valve a clean out with a can of wynns egr cleaner first,or just put the plate on.thanks again.



#8 FOCA

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Posted 27 May 2013 - 11:11 AM

You could just fit the blanking plate.

 

Ideally, you should clean everything on the "inlet" side of the plate, including the inlet manifold etc the EGR itself is not important as it will not be "active" with the solid plate on

 

EGR cleaner is of limited use and is often ineffective, a proper clean out may involve taking the components off (like the inlet manifold) and jet- washing them/ degreasing them

 

Once the plate is on it stops further build-up of carbon/ muck



#9 focus zetec s black

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Posted 27 May 2013 - 06:39 PM

yes agreed...I took the intercooler hose of and sprayed the carb cleaner in then used a seires of pipe cleaners...then put the blank in ran it for a bit with hose back on...last of all hose back off then sprayed into inlet with engine running just too try and clear last bit.

#10 johnH

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Posted 27 May 2013 - 07:58 PM

Ive used wynns egr 3 on my 2006 1.8tdci and had no issues with my EGR. First time I done it, it dumped loads of coke out the exhaust but I do every service. - Next weekend...got all parts ready.

 

first time can be daunting but its ok.



#11 jeebowhite

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Posted 28 May 2013 - 10:19 AM

I bought an aluminium blanking plate, FOCA whats your thoughts on these? I see you say that they have a lower melting point, how much of a problem do you think this would be? Just looking to find a stainless steel one now, as I probably wont bother with the aluminium one if its a great problem...



#12 FOCA

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Posted 28 May 2013 - 11:01 AM

The advantage of the auminium is they are easier to make (the metal is softer/ does not blunt tools) and possibly helps the "gasket face"  to seal

 

On something like a Mondeo mk3 with a front mounted EGR, there is a port on the exhaust manifold (at the back) which connects to the EGR cooler then it goes all the way round the engine along a metal tube (where it has a chance to cool) before reaching the EGR valve (and blanking plate if it is fitted)

 

On some other (engine) designs the EGR valve is closer to the exhaust manifold so it has been known for the alloy to melt and spray the inlet manifold (or at least the EGR valve) with molten aluminium, so just to be on the safe side i recommend solid, stainless steel blanking plates

 

i looked these figures up -

 

Potential maximum EGT (exhaust gas temprature) = 1250 degrees centigrade (yours may not be that hot, and the gasses may be a bit cooler by the time they get to the blanking plate)

 

Aluminium melts at 660 degrees centigrade

  

Stainless steel  melts at 1510 degrees centigrade



#13 jeebowhite

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Posted 28 May 2013 - 12:35 PM

stainless steel it is as a precaution!

 

I really need to use EGR cleaners as well as a precaution before I blank it off...

 

Has anyone per chance got any links to any of the recommended stuff on ebay at an excellent price? between WHYNNS EGR and some sort of carb cleaner (I really wont have the space around the roadside to take all the inlet off etc for the first time ever!) so I need to clean the thing as far as I can without ripping the engine bay to pieces...



#14 FOCA

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Posted 28 May 2013 - 05:53 PM

stainless steel it is as a precaution!

 

I really need to use EGR cleaners as well as a precaution before I blank it off...

 

Has anyone per chance got any links to any of the recommended stuff on ebay at an excellent price? between WHYNNS EGR and some sort of carb cleaner (I really wont have the space around the roadside to take all the inlet off etc for the first time ever!) so I need to clean the thing as far as I can without ripping the engine bay to pieces...

Somebody mentioned Mr-Muscle - works as good as the "super dooper" cleaners at a fraction of the price, apparently (never used it myself) 



#15 mickyh10

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Posted 28 May 2013 - 05:56 PM

Hi, i need some help with my car. I have a 06 plate Ford focus, last week the engine management light came on on the dash board and when I put my foot on the accellerator it lost power and jerked alot. When I drove the car again it still had the same symtoms. Then there was a plume of black smoke and it went back to near normal! Someone thought it was the ERG valve and recommended I get the valve cleaned. I have booked it in but is this the best way of sorting it. Is it the ERG valve.

 

I also wanted to know if it was easy and will it cost alot.



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