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Fuel Delivery


 
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moonoroof
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Joined: 04 Feb 2007
Posts: 221
Location: IRELAND

PostPosted: Mon Nov 20, 2017 14:59    Post subject: Fuel Delivery Reply with quote

My 3.0 TD Trooper Insignia was showing signs of letting fuel into the sump,so I've just had the injector O Rings replaced.
Before the the O Rings were replaced, i was checking things out on the Tech 2, and according to the desired values, it was about half of what it should be right across the range. Say at idle it should be 7, but it only read 3, at 2000 rpm it should be 12, but it read 7, and so on.
After fitting the seals, the fuel delivery figure are still the same. Is there something amiss?
It's running lovely and has loads of power

Id be grateful for any advice.

Thanks

Michael
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PostPosted: Mon Nov 20, 2017 14:59    Post subject: Google Ads keep this community free to join!


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eithan h
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Joined: 11 Dec 2005
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Location: oxfordish

PostPosted: Mon Nov 20, 2017 20:14    Post subject: Reply with quote

what figures are you on about? is it oil pressure or fuel pressure?
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moonoroof
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Joined: 04 Feb 2007
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Location: IRELAND

PostPosted: Tue Nov 21, 2017 0:01    Post subject: Reply with quote

eithan h wrote:
what figures are you on about? is it oil pressure or fuel pressure?

Thanks Eithan for looking at my question.
Definetly Fuel.
Not having the Tech 2 at hand, but going by the values (courtesy of Old Mill Motors) that reading( Fuel Delivery) is near the bottom of the page.
I'll not give up my day job as a book keeper. Laughing  Laughing  Laughing  Laughing
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eithan h
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PostPosted: Tue Nov 21, 2017 21:20    Post subject: Reply with quote

that reading is a theoretical figure the ecu comes up with based on the other sensors, there is no fuel pressure sensor on the 3.0l
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moonoroof
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Joined: 04 Feb 2007
Posts: 221
Location: IRELAND

PostPosted: Tue Nov 21, 2017 22:26    Post subject: Reply with quote

Thank you Eithan
That clears that up. Very Happy
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eithan h
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PostPosted: Wed Nov 22, 2017 20:25    Post subject: Reply with quote

it's generally about 100psi through the head though if you need to know
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