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what is fuel pressure feeding to the injectin pump


 
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whitetroopere
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Joined: 26 Dec 2013
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Location: california USA

PostPosted: Tue Mar 26, 2019 0:30    Post subject: what is fuel pressure feeding to the injectin pump Reply with quote

does anyone here know what the pressure required for fuel feeding to the fuel injection pump on a 4jg2 engine is?  Any comments are appreciated.  Harry
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eithan h
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Joined: 11 Dec 2005
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PostPosted: Tue Mar 26, 2019 19:09    Post subject: Reply with quote

its sucked up by the pump there is no pressure, you can gravity feed in to the pump if needed
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whitetroopere
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Location: california USA

PostPosted: Tue Mar 26, 2019 19:26    Post subject: Reply with quote

Thanks Eithane.  Will it be helpful if I connect a low pressure electric fuel pump to deliver 15 psi of fuel to feed to the injection pump?
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eithan h
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PostPosted: Tue Mar 26, 2019 19:33    Post subject: Reply with quote

whats the issue with it as it shouldn't need a pump to give it any sort of pressure
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whitetroopere
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Location: california USA

PostPosted: Tue Mar 26, 2019 23:23    Post subject: Reply with quote

car has been sitting. No fuel came out from injector lines, so i traced it back to the fuel filter and no fuel came out from the fuel filter.  It is an old engine , and I thought it would help if I could connect am electric fuel pump and bleed the line.
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eithan h
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PostPosted: Wed Mar 27, 2019 0:24    Post subject: Reply with quote

there should be a bleed screw on the filter housing and just pump the primer until fuel comes out
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