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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , and Lx series.


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Old 01-13-2013, 06:20 PM   #1
b4l
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sr20det no fuel

i check to see power to the fuel and it has power

the car cranks

take off the fuel line no fuel

check the ecu and with the key off. the red light stays on.

any help plz
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Old 01-13-2013, 06:50 PM   #2
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You mean power to the fuel pump?
No fuel pressure or pump not working?
Verify the pump is actually turning on.
Check before the fuel filter if pump is actually working. rules out clogged filter
The ecu, light stays on with koeo, should go out during cranking and remain off while running.

There are things after you verify the basics, but first find the problem so it can be fixed.
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Old 01-13-2013, 07:31 PM   #3
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ok the light goes off when cranking thats good

the pump is not pumping out fuel. power is there have checked everything from fuse to the wires in the back were the pump connects and there is power there also. i have searched and saw a guy that says it might be a maf. any insight on that theory
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Old 01-13-2013, 07:32 PM   #4
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when i take the key out of the car like im walking away the red light stays on. other than that its good

this is a fresh sr20det install. useing the stock harrness should i take it out and redo the wiring for the harrness
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Old 01-13-2013, 08:09 PM   #5
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You need to listen for the fuel pump priming when turning the key to IGN ON.

Red light on the ECU should turn off when the key is in the OFF position.
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Old 01-13-2013, 08:12 PM   #6
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its not humming at all.

im thinking its the wiring looking at the info on frsport here
SR20DET Swap Engine Harness Wiring Diagram Guide SR SR20

im going to check the fuel pump realy wire on the harness.

yea the light should go off but im thinking it just might be these plugs that are making it act the way it is.
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Old 01-13-2013, 08:21 PM   #7
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Yeah, recheck the wiring, disconnect your battery first. And don't connect the battery until everything else is reconnected.

Sent from my S3 pumping Darth Stalker v7
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Old 01-15-2013, 07:09 PM   #8
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update for anyone that this happens 2. the brown and gray plugs were wrong. also i wired it up the way frsport told me and car did not want to start. ended up being that the black with red wire also needed to be with the big blue with red wire. so two wires into one. blue red wire and black red wire to the black with red wire on the gray plug. pm me if you come across this and don't get what im trying to say. thanks
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Old 01-16-2013, 06:25 AM   #9
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Quote:
Originally Posted by b4l View Post
update for anyone that this happens 2. the brown and gray plugs were wrong. also i wired it up the way frsport told me and car did not want to start. ended up being that the black with red wire also needed to be with the big blue with red wire. so two wires into one. blue red wire and black red wire to the black with red wire on the gray plug. pm me if you come across this and don't get what im trying to say. thanks
Oh you mean exactly how it says to do it on FRSport?

[img][/img]
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Old 01-16-2013, 06:35 AM   #10
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XD! @ KiLLeR2001

double, triple check your wiring at least 10x's it's like prego spaghetti sauce!
It's in there!
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Old 01-16-2013, 09:24 AM   #11
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ha yea well i guess when you take a pic and put it like that. i over looked that
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