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Discussion Starter #1
Engine: 1.7 CDTI , 16v , 101 Hp.
Engine code: Z17DTH
Year: 2007

Can I remove the EGR and/or the EGR-cooler without any problems ?
...or will I get the engine warning light lit ?

I have massive build up in the inlet pipe and engine is running like crap and is very weak.
 

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Blank it off.
The car runs so much better.
Use the blank with the hole and you do not get a warning light.

I put photos up a few weeks back when I did mine.
 

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Which particular bit sounds daft?
 

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Which particular bit sounds daft?
Which particular bit sounds daft?
Some think all diesel is the same. But supermarket fuel always creates more gunge inside on mine.

By using esso and shell only I clean it a lot less and 40k miles a year as a taxi.


But yes try blanking it first (there are two different size egr plates to fit, euro 5 engine has a bigger size needed)
 

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Discussion Starter #7
Blank it off.
The car runs so much better.
Use the blank with the hole and you do not get a warning light.
Where to get those parts ?

Blanking your engine ( there are two different size EGR plates to fit, Euro-5 engine has a bigger size needed )
I have a ( 2007 ) Z17DTH engine.
I do not know if it is Euro-5 or not.
Where to get the EGR plates for this engine ?
 

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Got my plate from eBay.

Bought genuine Vauxhall gaskets.

You can buy a plate including two gaskets.

Go for stainless steel plate with a hole at least 1.5mm thick.

Will have a look later and see if I can find the one I bought.
 

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Where to get those parts ?

I have a ( 2007 ) Z17DTH engine.
I do not know if it is Euro-5 or not.
Where to get the EGR plates for this engine ?
2007 I doubt you have a euro 5.
Measure the size of the egr pipe and look at a few eBay listings
Euro 5 is quite a bit bigger
 

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Discussion Starter #10
Got my plate from eBay.
Bought genuine Vauxhall/Opel gaskets.
You can buy a plate including two gaskets.
Go for stainless steel plate with a hole at least 1.5mm thick.
Will have a look later and see if I can find the one I bought.
What is the thing with the plate with "Holes" in ?
Why ?
Thanks (y)

2007 , I doubt you have a Euro-5.
Measure the size of the EGR pipe.
Euro-5 is quite a bit bigger
Ok, I will measure the EGR pipe.
 

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Plate with a hole lets a small amount of gas through and prevents the engine warning light coming on.
 

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In what way does it prevent the Engine warning light to come on ?
Why does it not work with a plate without hole ?
Engine Pressure sensors pick up air pressure which is out of expected range and presume a blockage, and so flags a fault light.

The small hole supposedly blocks some soot etc from passing, while allowing enough pressure balance so not to flag a fault.

If a plate improves things, consider getting egr mapped out. But big price difference of £4 ish to £150-200 ish.

Remember after 40-50 miles the ecu will settle with new settings that it’s re-learnt.

I found a difference on my 1.9 diesels.
 
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