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HPFP
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ruddtim
 


Member Since: 07 Jan 2013
Location: Berks
Posts: 14

2008 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3
HPFP

Having recently removed the body of my discovery and completed a mini restoration on chassis suspension brakes gearbox etc.
I replaced glow plugs and rear belt on engine I have lowered body and started to connect up. I have attempted to start engine before i complete reassembly. However on attempting to start I am not getting any fuel to the rail. I have good pressure to the HPFP on the low side. Is there anyway to check the HPFP i have got a live reading on a diagnostic and it is showing 400kpa with little fluctuation.

Thanks in advance  
Post #204649816th Apr 2019 9:26 pm
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ruddtim
 


Member Since: 07 Jan 2013
Location: Berks
Posts: 14

2008 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

Anyone got any ideas??  
Post #204655817th Apr 2019 8:47 am
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Flack
 


Member Since: 06 Sep 2006
Location: Preston Lancashire
Posts: 6235

England 2007 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Its controlled by main ECU, check your connections there make sure they are on fully. Is the fuel pressure sensor switch on the rail connected up fully.

Flack Thumbs Up  
Post #204656117th Apr 2019 8:56 am
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ruddtim
 


Member Since: 07 Jan 2013
Location: Berks
Posts: 14

2008 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

Yep sensor is connected up ok no other faults other than low fuel pressure. Does the ecu tell the pump to send HP fuel to the rails or should it hp as soon as the engine is turning over?  
Post #204657217th Apr 2019 9:25 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10363

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

It does take some time to get these engines going.

I would spray easy start or similar into the air intake Y and see if that helps  
Post #204662617th Apr 2019 12:06 pm
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