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28-11-2015
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Newbie
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Join Date: Mar 2015
Posts: 46 What Jeep do I drive?: XJ
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Liked 33 Times in 18 Posts
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(another) question on EGR. VM 2.5 Td
Hi all,
been looking but couldn't find an answer to this.
I removed the egr valve and blanked everything, now can I remove the egr module? That one where the vacuum pipe is connected...
Do I get any fault? Does that control other stuff?
Thanks
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29-11-2015
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,839 What Jeep do I drive?: XJ
Likes: 4,611
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That is a vaccume pump that works the EGR. Dont know what happens when you remove it. The ECU may see its not connected any more & make a fault, may even put it into limp mode. I left the EGR in place & just blanked it from the inlet & exhaust manifolds so that it looks like its all there & working.
If you do remove the pump, please let us know what happens.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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29-11-2015
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Newbie
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Join Date: Mar 2015
Posts: 46 What Jeep do I drive?: XJ
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Ok so I'll try.
Reason why I want to remove it is because I have broken the little tip where it's plugged in the plastic line. I blanked the little hole with some silicon, but I'd be happier to remove it and fix it for the day I will need it back (if...)
I can't say anything yet on fuel economy as I remvoved the valve this late afternoon before a short ride (40km), but without the egr it's running way nicer above 2000rpm, so it's fine
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29-11-2015
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,839 What Jeep do I drive?: XJ
Likes: 4,611
Liked 6,577 Times in 4,355 Posts
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Try unpluging it first & see if you get a problem. What was the condition of your EGR? Leaking ?
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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29-11-2015
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Newbie
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Join Date: Mar 2015
Posts: 46 What Jeep do I drive?: XJ
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Liked 33 Times in 18 Posts
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Quote:
Originally Posted by layback40
Try unpluging it first & see if you get a problem. What was the condition of your EGR? Leaking ?
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Yes, it was covered by oil, Was it working or not, I have no idea 
The blanking plates, sorry for the bad quality
Last edited by Ric Roth; 29-11-2015 at 11:26 PM.
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30-11-2015
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CrawlerStar
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Join Date: Apr 2010
Location: Melbourne Australia
Posts: 402 What Jeep do I drive?: XJ
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I've had my EGR vacume pipe remuved from the EGR actuator and plugged the rubber hose up for about a year now and no fault code or limp mode at all .
It runs much smoother, a bit more power , and the best of all is that it does not seem to overheat anymore even on hotter days .
Also towed my boat (950Kg) on average temperature days with no overheating issues (unless I am pushing it hard up on long hills trying to keep it at 100K/h).
Just remove the EGR valve and make sure that is not leaking or blocked in open position. A very small slight leak trough the valve should not matter to much but best if shuts properly .
There is no need to remove the vacume pump just leave everything else as it is .
Cheers,
Andre
Last edited by amlav; 30-11-2015 at 03:17 PM.
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30-11-2015
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Grumpy Old XJ Dsl Owner
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Join Date: Jan 2011
Location: Northern Victoria
Posts: 13,839 What Jeep do I drive?: XJ
Likes: 4,611
Liked 6,577 Times in 4,355 Posts
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need a blank between the EGR & manifold. It prevents engine damage if the EGR grenades. & yes I have one, the 98 that has suffered an EGR failure.
__________________
98&01XJVMs,06&07KJCRD's,No longer question authority,I annoy it.More effect,less effort.10000Club
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