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23rd March 2020, 11:33 | #1 |
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diesel tank return
Good morning,does anybody know how the fuel return to tank is controlled on a diesel. Should fuel be returning when the pumps are running but the engine is not,?
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23rd March 2020, 16:47 | #2 |
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Hi, I don't think so as the HP pump won't be running anyway (it's driven by the engine).
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24th March 2020, 08:30 | #3 | |
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Quote:
When you first turn the key to position II and the fuel is cold then returning fuel goes round again in the LP circuit, although there is a small bleed off in the restrictor valve which provides a path back to the tank. With the engine running any losses are topped up by the ITP. As the fuel warms up then the cooler stat opens and fuel starts returning to the tank. Bit more info here; https://the75andztclub.co.uk/forum/s...d.php?t=172055 . Last edited by Mike Noc; 24th March 2020 at 08:57.. |
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25th March 2020, 09:49 | #4 |
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Many thanks to both of you for the replies and links ,lots of interesting reading.
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26th March 2020, 08:37 | #5 |
This is my second home
Rover 75 CDT Manual Connoisseur SE, Rover 75 CDT Automatic Connoisseur SE & a Freelander Td4. Join Date: Jul 2009
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You're welcome Anthony - do you have a specific problem?
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30th March 2020, 10:19 | #6 |
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