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Old 20-11-16, 12:31
Yeti Monster Yeti Monster is offline
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T4 Post Icon EGR: Blank or 'Remove'?

My 1995 2.5 tdi 102 often does a fair impression of a Massey Ferguson,accompanied by a whaft of grey smoke. I want to try the old EGR delete trick, but it appears as though all I really need do is blank it off?
From what I can see, the shiny and expensive EGR delete kits are just a dummy egr pipe and a pair of blanking plates, so why not just make a pair of blanking plates and plug up the hose?
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  #2  
Old 20-11-16, 12:39
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T4 Post Icon Re: EGR: Blank or 'Remove'?

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My 1995 2.5 tdi 102 often does a fair impression of a Massey Ferguson,accompanied by a whaft of grey smoke. I want to try the old EGR delete trick, but it appears as though all I really need do is blank it off?
From what I can see, the shiny and expensive EGR delete kits are just a dummy egr pipe and a pair of blanking plates, so why not just make a pair of blanking plates and plug up the hose?
Wow a '95 ACV!

Easiest to just fit two thick (pref stainless steel) plates, one top one bottom. Also remove and clean out the EGR valve itself (new gasket for the base of that too) ................. job done
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Old 20-11-16, 12:56
Yeti Monster Yeti Monster is offline
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Default Re: EGR: Blank or 'Remove'?

But why bother cleaning the egr? Why not just leave it out? with both ends blanked off, its only function would then be as somewhere for the vacuum hose to connect to. Surely all I'd really need do is plug the hose?
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Old 20-11-16, 13:25
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T4 Post Icon Re: EGR: Blank or 'Remove'?

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But why bother cleaning the egr? Why not just leave it out? with both ends blanked off, its only function would then be as somewhere for the vacuum hose to connect to. Surely all I'd really need do is plug the hose?
No you are only blanking off the recirculation pipe you still need the EGR valve. It's the exhaust gas recirculation you are trying to get rid of, so it does not cause a build up in the valve itself.

Personally I would not go down the valve delete kit route either
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Old 20-11-16, 13:36
Yeti Monster Yeti Monster is offline
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Default Re: EGR: Blank or 'Remove'?

But then flow through the egr valve will be blocked off, so the egr valve will function, but no flow will pass? I still don't see the need for the egr valve actuator, unless it is there to fool the ECU?
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Old 20-11-16, 14:15
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T4 Post Icon Re: EGR: Blank or 'Remove'?

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But then flow through the egr valve will be blocked off, so the egr valve will function, but no flow will pass? I still don't see the need for the egr valve actuator, unless it is there to fool the ECU?
You need to take a look to try and understand what you need to do.

You block both ends of the recirculation pipe (really just the EGR valve end would be fine), to stop the spent exhaust gas recirculating into the engine intake ................ you are NOT blocking the valve itself. The EGR valve delete kit effectively just replaces the valve with a polished alloy pipe, and you are spending money you don't need to.

Exhaust Gas Recirculation reroutes a prescribed amount of exhaust gas back into the intake to be drawn into the cylinders to help reduce NOx emissions. Exhaust gas is fairly inert meaning it's already spent and does not help to create more power or combustion but it does help cool the combustion chamber which helps reduce NOx emissions. Whilst the theory of the cooling sounds great, it does introduce a good deal of 'gunk' into the valve itself, and ultimately into the engine; this is what you are trying to avoid
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Old 20-11-16, 14:25
Yeti Monster Yeti Monster is offline
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Default Re: EGR: Blank or 'Remove'?

Thanks Scruffy, I shall invetimigate further, i.e. have a look under the bonnet
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Old 20-11-16, 15:30
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Default Re: EGR: Blank or 'Remove'?

Your EGR valve is only opened at slow or engine idling. Blanking or deleting the EGR system does give any usable improvement in engine power output, or efficiency. What it will do is give you one less thing to go wrong however your van will smoke more on idle. If you really feel is the way to go just yank the EGR solinoid job done as its always closed unless actuated by the solinoid.
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Old 20-11-16, 18:02
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Default Re: EGR: Blank or 'Remove'?

"Doesn't"

Agree, seems little point to me 1.9td 1994, owner with FSHfrom new
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Old 20-11-16, 19:31
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Default Re: EGR: Blank or 'Remove'?

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"Doesn't"

Agree, seems little point to me 1.9td 1994, owner with FSHfrom new
Thank you. Am fighting a losing battle against auto prediction and big fingers on a tiny iPhone.
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