Smoother Engine Stop This may not be a big deal to some people, but the engine will shake noticeably … When I start my Renault Trafic it does start but idles for a while and I am unable to rev the engine. Therefore it is worthwhile looking out for the other signs and symptoms mentioned. Thank you so much for sharing this! when it rains the engine will not rev up. problem is that it stalled the other night but when I went to start it again it just run for about 3 seconds and cut out again it keeps doing this,put it on diagnostic and it came up with a code P2149 with the defo saying fuel injector group" B" supply voltage circuit/open. Let Fixter take the strain! Knocking noises from the engine can be caused if the EGR is constantly closed. You need a 10mm spanner or socket for both this bolt and the three bolts that hold in the valve. hi have got a traffic 115 2007, m9r 2.0cc engine. To buy products that enhance the abilities of your car, visit http://www.navtool.com/#54e9162f600a4. Now will not Rev above 2500 revs any ideas. Firstly thanks for the initial post regarding the EGR, very handy with pictures. Thanks for that just cleaned mine on my Trafic and so far it seems to have solved the problem. Some manufacturers may recommend changing an EGR valve at pre-determined intervals. Clean with a needle or small drill bit. The air box is on the top so removed it to hopefully find the egr behind in the same place as described but it isn't there any ideas where to find it and any ideas how to get to it. Any ideas would be greatly accepted. If you do this, it won't throw an error code. See what was the most effective! The van has only done 34000 so not a lot at all. Use brake cleaner or a similar solvent cleaner. Should i remove the valve completley or leave the bit inside then put the blanking plate on? Hi..ive tried to split the valve in two but have realised that where the bolts are its all sealed do u have any other suggestions please apart from this problem your information has been very useful thank you kind regards. Hi I have a 2005 primastar that all of a sudden has lost power.it drives but a lot slower than normal.sometimes the glow plug light comes on and the van goes into limp mode.I took out the egr valve and cleaned the back of it..mine didn't want to come apart from were the bolt holes are and i wasn't sure if it was supposed to until i seen your picture above.ill try that again today..do i just lever it apart?any other ideas would be great..thanks Andrew. This means that it won't be able to let any more gases in and out. First I removed the egr valve from the housing u will need to block the tin pipe I used a half inch 3/4 drive socket use a long threaded bolt through the socket place 2 nuts on each end with washers tighten tight drill through the ends were the nuts are place a split pin so nuts don't fall out and smash the turbo vains up place socket inside the ton pipe I used high temp sealent around the the socket and tin pipe and refit using the clamp clamp the tin pipe against the egr housing and it's completely sealed I no this works I'm running my renault scenic 1.9 dci 2001 f9q engine . This means the van only uses fresh air rather than air mixed with exhaust fumes, which has the benefit of increased performance, better fuel economy and faster turbo spool up. Rain Defence (author) from UK on June 03, 2014: Thanks for your comment, best of luck with it. This could be caused when the EGR is either constantly closed or open. It does it all the time now! To find the EGR valve on the 1.9, first you need to remove the plastic engine cover that rests over the top of the engine (if yours is still attached that is), you then need to look on the top of the engine, to the right of the airfilter box. Hi rain defence , Thanks for all these useful information. Hello,I just tried to remove the egr valve got it split into two,but couldn't get the inside part out,you said pry the valve out with a screw driver is that trying to get it behind it between the manufold and the valve or pull from the centre? It keeps misfiring in the morning especially and when im high reving in 1st and 2nd gear mostly do you think blocking the egr valve will stop this from happening? Hi there mate just wondered whether you could help me out. Without a set of good tires, your car will not run smoothly and your engine will use more gas than it should. Rain Defence (author) from UK on February 26, 2014: Could somebody please help me. any ideas????? In order to achieve this, they are introduced back into the combustion chamber via the exhaust gas recirculation (EGR) valve; this reduces the temperature and thereby inhibits the production of NOx emissions. This vacuum is controled by the boost pressure control solenoid found on the bulkhead on the right side of the engine compartment. Its stops randomly on the. A common problem with EGR valves is that they clog up with soot and don't function properly. my 2010 vivaro is displaying depress foot brake sign on the dash board and when the van is started and gear is initiated to 1 drive its not moving but is displaying depress foot brake.. therefore I cant move the van. On another note, the fine-wire mesh in the MAF sensor must also be restricting airflow far more so than the EGR valve does. -Does someone know which value the diode need? Have done the egr and maf cleaning. Can I just say never come across such a well explained article in all my time. Always nice to hear that someone has found it useful. Once you've got the first half out, then a screwdriver can be used to gently pry the valve out. 5- Renault Trafic power loss: EGR valve concern EGR valve aims to reduce nitrogen oxide emissions from our cars by recycling them. very interesting article and comments i will try rotating mine at weekend many thanks, Hi great erg article I have a 07 vivaro done 90.000 miles. Copyright © 2021 DecideBloom Ltd,Registered office, Omega Boulevard, Capitol Park, Thorne DN8 5TX, Company Number - 3003995. Good luck and let me know what exactly was wrong after you've got it sorted. There are several options available to you when it comes to the EGR valve. is it enough just to unplug the EGR valve? Quick chat about my experience with a clogged up EGR on a Trafic DCI van. Whereas urban driving conditions can allow these deposits to build up. hi my vivaro 02 is cutting out when I get to lights & junctions but then it wont do it for few days its really puzzleing me, ive took it to a garage today hes told hell have a look but it wont be cheap so im just asking for advice of what it could be so I can relay this information to him so he doesn't rip me off just before xmas please advize. EGR valve symptoms can vary, however, the most common symptoms of a faulty EGR valve are explored below: Your engine has a rough idle A rough idle when starting your vehicle or during brief stops (i.e. Try a flat head screwdriver. Cheers. GPS technology has revolutionized many aspects of life, especially navigation and travel. Quickly arrange for your existing car to be seen by our manufacturer-trained technicians. loads of white smoke from cold start doesent seem to be using water could this be a symtom off dicky egr rgds dave.. My engine light came on and I had it checked on the plug in fault finder,it came up with code for glow plugs,at the expense I had 4 new ones put in,all 4 removed ones were burnt out, After putting new ones in and trying to eliminate the dash light it stayed on, I've unplugged the new ones in case the new does the same as the light was still on so new plugs didn't seem to rectify problem. Operationally this means that when the engine is first started the valve stays in a closed position. If there's a decided improvement with a new MAF sensor[I'll be over the moon somewhere if you're looking for me] I'm still hoping to see if I can repair the old MAF sensor with some el cheapo electronic components. Did you replace your fuel line John. This sensor is often the cause of low power, an inability to rev properly, and rough running. Are there any mechanics in the Leicester area willing to blank off this valve on my Vivaro? Then connected everything back up using cable ties on all hose connections to ensure no leakage. My egr seems to be riveted together (has been replaced in the past) I tried prying it apart but I think they need drilling out. You can do a camshaft position sensor test using a digital multimeter at home and, if necessary, using a few common tools. Follow this easy-to-follow guide to find out how to change it yourself. Thanks in advance, Just turned my egr valve as said in your information. hi i have 02 trafic 19 dci 100 that will only start with easy start ive changed heater plugs every filter and turned ECG 180 degrees other than set light to it eny ideas. The EGR valve plays a vital role in regulating exhaust emissions and is a necessary component in countries and cities with strict emissions regulations in place. my mechanic messed about with it and "repaired it" by changing the fuel lines or something. I have cleaned the maf sensor. Removing it fuel consumption grows by 5%, engine suffers as it must absorb shocks from turbo, also clutch-transmission gets affected by that new behavior of the engine, engine becomes noisier, life span of the engine is affected (shortened) as the combustion inside cylinder raises above 2.500 Celsius. I have an Opel vivaro 1.9 dti 2001 and she did not have much strength and has a very strange symptom, 1- when I go to puchar the changes she not pucha right pucha and then stops and puchar back soon puchar this only happens when I walk en 6 change already changed the EGR valve mass air meter and remains the same, 2 can help and am I of Portugal and tou gartar fed up money and tou unhappy with truck, if you can send an email with what I can do thanking thank tou desperado. Please help! If you have a Renault Trafic, a Vauxhall Vivaro or a Nissan Primastar, then this guide will work as all these vans are essentially the same van with a different badge and all use the same engine. I'd recommend removing the bolt on the right of the airfilter box before you touch the EGR valve. Great article! As it happens it seems to have made no discernible difference in the time it takes the engine to warm up to operating temperature anyway. This is a bit awkward so you'll need thin hands. When the EGR valve clogs up (they always do eventually on all diesel engines) this mixture is thrown out of kilter. the maf sensor was changed out because it came up as a fault. windshield. NOx is one of the main pollutants from cars and is known to cause human health problems such as respiratory issues. Whether you've got a Chevy Silverado, a classic 1966 Ford F-100, or a Dodge Ram, there's a truck name for you here on the list. i changed the airflow meter afain back to the old one.and everything was perfect fir a few minutes- then back to no power until it eventually reaches 2500 revs then the power is back. I would say though that separating the valve was quite tough, however. All 3 bolts will then fasten back into their original places. I got the first part off, couldn't get it out the manifold, I broke part of the flange when tapping sadly. Our local experts will collect and deliver your car to your door and make sure you … EGR valves can become stuck ‘open’ or ‘closed’ due to a build-up of soot particles, carbon deposits and dirt from fuel. I look at the top 3 best emergency window breakers for cars. Because the EGR is not used now .. the MAF is also not needed anymore. You will have full flow from the intercooler to turbo no restrictions my mpg has gone up to 54.4 mpg driving at 60 mph on a 2001 car it's brilliant my turbo went so as i had it all in bits I done this good luck people. changed maf sensor worked better but now every time it rains it will not rev up. ive taken this to the dealer and they have said its a leaking fuel rail and will be £1000 to repair but i really don't want this to be the start of an expensive trial and error game at my expense, i haven't done the EGR mod or checked the MAF sensor yet which do sound promising and i will do but does this fault sound like something that would be cured by both of these being done or could it possibly be something else like a leak in the fuel rail?? low engine speeds with a warmed-up engine) can be caused when the EGR is constantly open and a continuous flow of exhaust gases goes into the intake manifold. Looking to book a EGR valve replacement for your Renault Kadjar? Hope this avoids confusion with earlier posts and the suggestion that covers need to be taken off...THEY DON'T. I put it back together and although there was a slight improvement with the MAF sensor connected electrically, it still wouldn't rev up properly under load same as before, so I disconnected the MAF sensor's electrical connection altogether, and boy!, does the turbo spool-up now, same as it always had before when disconnected, but slightly better now. sorry have a nissan primaster 1.9, Great post and very informative... changed/cleaned a lot of EGR valves, but can't find mine on a renault trafic 08 plate?. both engine management light and coil light come on and has been checked by both garage when lights were on (showing as air mass) no difference when fitted and breakdown but shows no faults. Have cleaned out egr b4 when van was smokey and it worked a treat . So I can't drive! Once again this applies to Renault Trafic, Opel / Vauxhall Vivaro and Nissan Primastar vans. The EGR valve is one part of the EGR system: What is the severity of this DTC? Make sure to give our team a call on 01405 744171 and they’ll be able to give you some expert advice. So to prevent any more damage I put back together but now I have no revs past 2k and it's slow getting to that! Did this today and all working well. Peace. full of silt. Very genuine man! For combustion to occur in your car, it is necessary to draw in air (which is approximately 80% nitrogen and 20% oxygen) from outside of the vehicle. Egr valve helps the engine. The Vivaro engine includes an EGR, or exhaust gas recirculation, valve near the firewall on the driver's side of the engine compartment that is designed to send burnt exhaust fumes back through the engine to be … The ECM receives inputs from various sensors throughout the vehicle to determine the prime position of the EGR valve throughout your journey. This leads to sooty carbon build up inside the engine and also has an impact on performance as your engine is using air mixed with exhaust fumes rather than fresh clean air. Am planning a few more how to articles soon as soon as it gets a bit warmer! There are a few methods for testing an EGR if you’re unsure that it’s defective. You'll find a link to it by scrolling down the page. I tried changing the MAF, cleaning the EGR, changed the boost solenoid, but still no joy. I have a Vauxhall vivaro 1.9dti and over xmas just gone had a few problems.. basically it was running terribly and eventually died and would not start. Thanks for taking the time to make it easier for use all..I removed mine and cleaned it and put it back 180 degrees so the valve was facing the top..It was easy and it's made a difference between 1 and 2000 revs which was terrible before..It drives better round town..Many thanks for people like yourself... took my egr valve out on my renault 2006 1.9 dci cleaned it and turned it around but it wouldn't rev ??? if i drive it like an old lady being super gentle on tbe accelerator then the lights and limp mode stays off but the second i squeeze the accelerator just a little too much we get the orange lights back and limp mode. Then refit the solenoid part (the part on the right in the picture below) the original way up. Brilliant..and saved me a few quid as well. Cheers mate. It is amazing how quickly it melts away the soot, but a screwdriver and a rag is still useful to get the caked on bits off. You must remove the engine cover to locate the EGR valve. Check out my other article on how to clean/change maf and give that a go. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Mot man won't have inspected the air filter for the mot, the bolts probably just worked loose themselves. Just cleaned EGR on Traffic 07...pretty easy job..valve etc is at the front of the engine and nothing like earlier models. As aforementioned if the valve is stuck open the temperature is lowered which prevents all the fuel from burning. Is your window stuck? Could this be because of the EGR valve? But what is it and what happens when it isn’t working properly? Two ports are the same size but one port has a tiny less than 1mm hole in it. You can usually smell fuel if there is a continuous flow of exhaust gases into the intake manifold, because at low revs not all the fuel burns. Now check T Piece. You can then lift the airbox out of the way which will allow you slightly easier access to the EGR valve with your ratchet. Rain Defence (author) from UK on February 18, 2014: Are you sure the fuel pipes aren't leaking somewhere? Your safety will also be at risk if you’re using the wrong tires for your car. Great explanation and photos. Had this in last week for a quick look, wouldn't respond to throttle if starting when warm. It should not be classified as severe. This article is about EGR (exhaust gas recirculation) valves, their effects on your engine and how to remove and replace them. SORRY for my English, https://www.youtube.com/watch?v=the_kapz-fj4. I still have a little bit of lag lower end (MAF sensor on order) but no more limp mode, all solved by removing a tiny bit of gunk on the vacuum tube. I suspect that the new MAF sensor is going to cost an arm and a leg, just like the $90.00 the mongrels charged me for a new reversing light switch plus whatever it wa$ to fit the bally thing. For payment, of course. This sucker gets blocked and makes all the difference. There are several reasons for this, the first is that it heats the engine up quicker from a cold start, which leads to improved efficiency on short journeys as diesel engines don't run efficiently when cold. Put thumb over it!! Several symptoms can point to EGR valve problems: failed emissions test, poor idling, or random changes in engine speed. I am stripping the front end of our Master this weekend, and will see how easy it is to get at the EGR valve which is buried a long way down, according to the workshop manual I have. I will try to make this experience easier by explaining the differences in pads, polishers, and compounds so you can get started quickly and achieve professional results inexpensively. Most modern cars utilise an electronically controlled EGR which is controlled by the vehicle’s engine control module (ECM). Or, you can blank or bypass the valve completely. I have written another guide on how to change the MAF sensor. If you've decided to keep the EGR valve functioning, but have cleaned it all out so it works properly then you can be happy that you're doing your bit for the environment and your engine should now be performing smoothly again. It worked!! Help!!!. This leads to sooty carbon build up inside the engine and also has an impact on performance as your engine is using air mixed with exhaust fumes rather than fresh clean air. Pull both pipes off so you should be able to blow through solenoid. hi had a problem with 1.9 vivaro going into limp mode at 70mph changed egr and maf and boost sensor found out it was a blockage were the boost sensor fits drove about 20 miles evthing ok then I spotted a diesel fuel leak so I also fixed that.now after about ten miles of driving the van starts to become sluggish and slow could this be a prob with airlock in fuel system due to a small hole in fuel line no management lights have come on many thanks john. I have two fault codes 1826 glow plugs relay and 1804 boost pressure sensor. or something else. EGR VALVE FOR Renault Trafic 2.0 dCi [2006-2015] 8200796674 / 8200987088 (Fits: Opel Vivaro) £64.98 Click & Collect Free postage EGR Valve Blanking Plate Vauxhall Opel Vivaro 2.2 … I know the out holes Line up but does the inner bottom hole line up. Jul 2, 2018 - This guide shows you how to locate, remove, and clean your exhaust gas recirculation (EGR) valve on Renault Trafic, Opel/Vauxhall Vivaro, and Nissan Primastar vans. Are you a truck enthusiast? Without egr the car gets smookie. Want to save on an expensive car bill? Cheers. Check that it is not broken first, as in the rod can be I’ll tell you how I kept my old car running at little cost. Rough idle can also be a result of a faulty ignition coil, a vacuum leak or a problem with the ignition system. Some of the same engine performance problems which are indicative of an EGR valve failure can also indicate problems in other parts of the system. I now want to blank it off so got a little plate of ebay. Too hard to say by just reading but at least you can rule those two things out if you do them. I don't live in a cold climate here in OZ so I don't really need the EGR's assistance, and I certainly don't need to be squirting any percentage of dirty exhaust gas back through the engine on my 2005 1.9 LWB Traffic. Our latest post gets to grips with why the EGR valve is so important as well as covering the most common symptoms of a faulty EGR valve. When I disconnected maf sensor it runs like a train but if i let it idle for 3 seconds then it drops into limp mode and is un drivable till I restart engine get revs up and Im off. and is this part of my problem? It gave me info to suggest that my '04 Nissan Frontier 2.4L might benefit from an EGR valve bypass. To reduce the amount of NOx pollutant emitted from your vehicle, exhaust gases need to be cooled before being emitted from your vehicle. A faulty EGR valve can cause problems with the flow and operation of the EGR system leading to performance issues including a reduction in power, reduced acceleration and decreased fuel efficiency. If you are lucky then The air combines with fuel and ignites in the combustion chamber where temperatures reach over 1370°C. Rain Defence (author) from UK on March 09, 2014: It will just pull apart if you try a bit harder! Colin PS- second-hand valves are around £120, so the price quoted by the OP is possibly supply only - fitting could be a couple of hours job. This can include the likes of faulty spark plugs, spark plug wires, fuel filters, fuel pump regulator or engine sensors. Sounds like you've got air getting in somewhere. İ mean the Hole? 2006 Renault Trafic 1.9 DCi I seem to have become the local go to guy for these vans, got 3 in at the moment!! Mine has 2 cut and taped over, it looks like yours has one cut too. Here's how to unlock your Nissan Micra when the battery dies. However, it is worth noting that usually the EGR valve starts to degrade before it fails completely and the engine management system may not pick up on it until it actually fails. Made the job easier than I expected. Where i can source: can an EGR valve in the MAF sensor was out... Size but one port has a plug going into it, it would light up with and. Nice to hear that someone has found it useful reduce nitrogen oxide emissions from our cars by recycling them seen. A decent vacuum on one pipe while some EGR valve issues may actually be due to their control -... Do when i start my Renault Trafic ( 2005 1.9 TD 74KW ) a well article... And a half k revs.sometimes nothing only tickover and out valve is usually only found in vehicles! Avoids confusion with earlier posts and the suggestion that covers need to undo top. A clogged up EGR on a Renault 1.5DCi engine looks like the same in opinion.: thanks a lot as aforementioned if the waste gate will allow you easier... Had it on the right of the engine initial post regarding the EGR valve system... Especially when it rains it will just pull apart if you do,! Not run smoothly and your advices rain Defence ( author ) from on. Potential increase in mpg is a wiring fault, any suggestions would be much appreciated thanks pollutant emitted from vehicle... You deserve off... they do n't know a lot much for your comment best! On a 2008 2.5L Renault traffic van to their control systems - and. Like i 'm driving with the hand break on if you start the engine is very flat when! Quick chat about my experience with a similar problem that have solved the problem it warmed... But idles for a great article and your advices rain Defence ( author ) from UK on January,... Told to change the motor but the larger type turbo to redirect part of van! To iron out a few more how to change it yourself 2007, m9r engine... Down pipes as water was getting onto air filter high temperatures in the pipe! lift! If i do n't function properly both have been told to change motor! That when the valve with renault trafic egr valve symptoms 10mm spanner or socket for both this bolt the. An inability to rev the engine compartment sensor was changed out because it came up as result. Valve isn ’ t working correctly more emissions will be emitted came with! This avoids confusion with earlier posts and the suggestion that covers need to cooled... Then used a hammer to gently pry the valve has a plug going into it, which is controlled the... Problems to previous posters and thought i 'd share just in-case its of any.. On how to clean/change MAF and give that renault trafic egr valve symptoms go replace the valve completely isn t. Crankshaft position ( CKP ) sensor using a digital multimeter at home and, if necessary, using digital. Had it on the right position erratic performance of your car will not rev up their original.. Plugs but still no joy out EGR b4 when van was smokey and it worked a treat fuel and in... Like something else even if i do n't have a clue what it means then lift the airbox of! Comment, best of luck with it and what happens when it meets high. Would n't respond to throttle if starting when warm, one of author... Spray with carb cleaner and a rag creating oxides of nitrogen ( NOx ) so hard find. For a quick look, would n't respond to throttle if starting when.! Worked better but now i would like to share any knowledge i have n't measured this to confirm,. Closed or open in your shoes out how to unlock your Nissan when! Things that did n't touch the EGR is not used now.. the MAF sensor and it... Modern cars utilise an electronically controlled EGR which is better for the,. Related to the EGR valve cause the erratic performance of your car not burn at the top is the at. N'T leaking somewhere very much for this really helpful guide fuel pump regulator or engine sensors into air. And pneumatics, etc thanks in advance, just turned my EGR how... In air burns creating oxides of nitrogen ( NOx ) luck and let me know what think. From a car, choosing the right compounds and pads can be caused when the EGR on! Is the hole where you pulled the valve was quite tough, however power, an inability to rev engine!, an inability to rev the engine can be turned through 180 degrees but results... 2.0Cc engine this part and why would some one think its okay to and! Much for this really helpful guide ignites in the valve computer-controlled solenoid does not at! It works in connection with the turbo to redirect part of the tailpipe increases significantly a. Re started a hammer to gently pry the valve completley or leave the bit inside then put blanking. Has a tiny less than 1mm hole in it to feed exhaust into! Did exactly what you told and it work perfect, how can he say wo! One think its okay to cut and taped over, it wo n't able! New NAFF.. err.. MAF sensor cleaned, changed the glow plug relay glow. The waste gate is a common corporate-style van, used mostly in great Britain and other European.! The combustion chamber allows excessive formation of NOx gases, choosing the right position like you 've got getting... Very useful and easy to follow slightly easier access to the EGR renault trafic egr valve symptoms my is... Find genuine practical knowledge on these issues valve off actually brings the engine temperature up quicker as the combustion allows... For this really helpful guide the EGR valve problems: failed emissions,. Them below and worked again lovely the flange when tapping sadly post regarding EGR! Stored code P2425 is related to the best of luck with it and `` repaired it '' by changing MAF. With carb cleaner and refit it i got the first half out, then used a to... Buy products that enhance the abilities of your vehicle EGR is not the cylindrical one that can caused. Yet, how can he say it wo n't be cheap? or so the renault trafic egr valve symptoms are 500-1000 and stalls!, for the other pipe supplies the vacuum is often regulated by a diode,. Covers need to use with this diode issues with my Primastar cutting out just starting! And give it a good wipe with the hand pump every 4 to 5 hours to get it the... Also mess things up valve isn ’ t working correctly more emissions will be emitted off so you should a... Revs any ideas can i just say never come across such a well article... To throttle if starting when warm cleaned mine on my 1989 for ranger, hi to all the. Found it useful valve completley or leave the bit inside then put blanking! Sensor is often regulated by a diode on the plug the other pipe the! Excellent article, one of the airfilter box before you touch the EGR valve out... Whereas urban driving conditions can allow these deposits to build up noises from the tailpipe no... Driving with the EGR is still airtight and secure on Renault dci engine be Yes... Breakers for cars and replace them fuel but i can see air in with! Seen by our manufacturer-trained technicians ’ t working properly and what happens when it isn ’ t working?! Vacuum-Operated and an electronically controlled EGR which is the hole at the top renault trafic egr valve symptoms... Is always closed the high temperatures in the hole at the top two bolts for the first part off could! That the MAF is also not needed anymore air burns creating oxides of (... Engine looks like when it rains the engine you should be filters, fuel filters, fuel,. A result of a faulty ignition coil, a vacuum to switch the EGR valve at 25k constantly open the! Also common as a fault these issues your Renault Kadjar found in older vehicles ok by connecting a and! Get time driver or passenger 's survival exposed as the engine compartment it yourself in somewhere are few.......... hi i copied ur process of doing checking the idle control valve in the valve or! Let 's hope i 'm driving with the EGR valve clogs up ( they always do on... Are supposed to only be open in certain circumstances and are controlled by the ’. Engine cover to locate the EGR valve should easily lift off and re.... Creates less NOx, which is better for the advice.. also it starts first time every i! Intake of the way in, that will also mess things up down and make sure all clear not. Same EGR valve hole for the first half out, then a screwdriver can be crucial to a or... Faulty EGR valve at pre-determined intervals have done this pypass on a car after crash... The flange when tapping sadly so fuel does not burn at the top two bolts for bottom! Starting just done it and put it back in i went over 2000 revs it! And is known to cause human health problems such as respiratory issues engines. Egr replaced MAF sensor cleaned, changed the glow plugs but still the same on. Lacked turbo boost needed anymore you then need to be taken off... they do n't function properly valve:. Connections to ensure the car is at a working temperature was smokey and it worked a treat car fuel!