mackie
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| posted on 14/1/04 at 03:30 PM |
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Fuel pump specs
Can anyone tell me the EFI fuel pump specs for the Sierra 2.0L DOHC engine? Basically just need to know pressure rating and external diameters of the
inlet and outlet pipes.
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Mk-Ninja
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| posted on 14/1/04 at 04:18 PM |
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Haynes say that the system pressure is 2.5bar.
I'm sure I've got one, just don't know where I've put it
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mackie
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| posted on 14/1/04 at 04:32 PM |
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That's about 36psi which is exactly the same as the L-Jetronic on the V8, but I'm guessing they are both bosch systems. Any idea what the
max pressure rating of the pump itself is?
Good news anyway, should get the engine running even if we decide to using something different when installing it.
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Mk-Ninja
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| posted on 14/1/04 at 05:06 PM |
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Sorry the book dosnt give the pump pressure.
I'm sure I've got one, just don't know where I've put it
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Graceland
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| posted on 16/1/04 at 05:27 PM |
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DOHC efi - 2.5 BAR max pressure
DOHC Carb - 9psi max pressure
V6 (pump in tank as with dohc) max pressure - 3.0 BAR
i'd use the V6 pump personally as you can adjust the fuel pressure using the pressure ragulator on the fuel rail later to iron out flat spots if
needed 
the V6 2.8i sierra uses bosch Kjet (mfi). the 2.9 uses bosch Ljet (efi) and the DOHC uses Webber efi 
2.0i and 2.9i are controlled via EEC-IV aswell.
[Edited on 16/1/04 by Graceland]
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