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01-21-2004, 10:00 PM | #1 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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Low fuel Pressure ej20g
Hey guys,
I just bought a impreza that has a ej20g installed. Fun car. Some drivability issues (idle, no top end: most likely due to bad fuel maps?) Here is my problem. Usually my fuel pressure guage reads 25psi along with an audible fuel pump hum. I drive to work. Everything is fine. Then on my way home, i go to start it and the hum is very low. Almost nonexsitant and the pressure barely above 0psi. It starts with trouble and can idle for a few seconds. Then when I touch the throttle it dies. I think its my fuel pump. I need to rectify it asap. Any help is appreciated deeply. I am going to pick up a fuel pump tomorrow if that is what it is. Thanks.
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01-21-2004, 11:16 PM | #2 |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
I guess that is the place to start
my ej20G with a tiny tubo has plenty of top end ...hmm |
01-21-2004, 11:23 PM | #3 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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This car is also running LINK engine manangement. and is set at 1.0 bar. I, personally only took it there once and was questioning the fuel to get there and tuning so I havent seens. Ive heard knock before and didnt experiance it in this instant.
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01-22-2004, 12:57 AM | #4 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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Anyone else want to throw out an idea so I can check my options before i purchase and install the pump?
Thanks |
01-22-2004, 03:56 AM | #5 |
Scooby Specialist
Member#: 1185
Join Date: Mar 2000
Location: North of the border
Vehicle:I flap my gums and now I'm a specialist |
Check the fuel filter ?
Where is the fuel pressure gauge sensor mounted ? |
01-22-2004, 12:35 PM | #6 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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Also, Where is the fuel pump fuse and relay. I do still hear the fuel pump going on. I hear a clicking under the dash (top left). ! click then fuel pump stops.
Any ideas? Thanks ps. sometimes my link system console acts up with funny characters. Only by turning it on and off a bunch of times does it go to the usual "test RPM." insite? Thanks |
01-23-2004, 11:52 PM | #7 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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How about some fuel pump removal tips?
Thanks. |
01-24-2004, 01:27 AM | #8 |
Scooby Specialist
Member#: 24565
Join Date: Sep 2002
Location: Misawa Japan
Vehicle:2000 V6 STi RA #856 Blue |
Jaxx LOL man the no top end comment kills me. I have seen speeds of 250KM/H in my wrx with the stock tiny TD05 on it LOL!!!
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01-24-2004, 02:41 AM | #9 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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Yeah, at 1bar my car feels like it hits a brick wall at 6k... Hope the fuel pump is the trick..
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01-25-2004, 01:37 AM | #10 |
Scooby Specialist
Member#: 34545
Join Date: Mar 2003
Chapter/Region:
MWSOC
Location: Worthington, Ohio
Vehicle:1999 GC8 74f |
wonder what fuel pump your running and what one your going to buy?
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01-25-2004, 02:16 AM | #11 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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bought a walbro.
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01-25-2004, 09:41 PM | #12 | |
Scooby Guru
Member#: 177
Join Date: Aug 1999
Chapter/Region:
NWIC
Location: Austin, Texas, USA
Vehicle:The 93 W/EJ20K-sold Subaru-less :( |
Quote:
your looking for a td05 for me remember... |
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01-26-2004, 04:26 AM | #13 |
Scooby Newbie
Member#: 53243
Join Date: Jan 2004
Location: bay area
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fuel pump fixed it.. Next problem is cold start and holding idle on cold start.
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