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EXHAUST POWER LOSS
#1
Please help when i remove pipe coming exhaust manifold,  the engine idles perfect...if i put it together it cuts off....see the picture


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#2
That's the pipe for the EGR. It could be a fault in the EGR Valve , like the flap sticking down and not letting air into the engine .
2001 1.9d DW8B  Berlingo
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#3
(02-11-2018, 09:08 PM)brodfather11 Wrote:  That's the pipe for the EGR.  It could be a fault in the EGR Valve , like the flap sticking down and not letting air into the engine .
Thanks for the reply 
The flap is in a flat position, i have two of them and they both act the same way
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#4
air filter OK and nothing blocking the air supply for the engine ?
2001 1.9d DW8B  Berlingo
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#5
When the engine is idling, the egr valve should remain closed. No exhaust gases should be introduced into the inlet manifold, because this would interfere with the ecu default idling mixture, which is critical for smooth idling.

If your egr is remaining open when idling, this could cause the engine to falter and stop. Your troubles look like an egr malfunction.
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#6
my understanding is that the egr is only open at idle
is this egr vacuum valve working ok ?


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#7
(04-11-2018, 01:47 PM)frank Wrote:  my understanding is that the egr is only open at idle
is this egr vacuum valve working ok ?

What ever happens the the erg stays open, and i just discovered that even if i disconnect the ECU the van still runs....am now absolutely confused
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#8
(04-11-2018, 01:47 PM)frank Wrote:  my understanding is that the egr is only open at idle
is this egr vacuum valve working ok ?

How do you test or see if it works or not
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#9
(04-11-2018, 06:10 PM)Zweli Wrote:  
(04-11-2018, 01:47 PM)frank Wrote:  my understanding is that the egr is only open at idle
is this egr vacuum valve working ok ?

How do you test or see if it works or not

the ecu controls it via vacuum, it should be pulled open when idling
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#10
(04-11-2018, 06:27 PM)frank Wrote:  
(04-11-2018, 06:10 PM)Zweli Wrote:  
(04-11-2018, 01:47 PM)frank Wrote:  my understanding is that the egr is only open at idle
is this egr vacuum valve working ok ?

How do you test or see if it works or not

the ecu controls it via vacuum, it should be pulled open when idling
That is controlled electronical or
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