TwinTurbo.NET: Nissan 300ZX forum - Re: Re: Re: Electrical / Fuel pump issue
Subject
Re: Re: Re: Electrical / Fuel pump issue
Posted by
Drk93TT
on April 17, 2022 at 4:29 AM
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In Reply To
Re: Re: Electrical / Fuel pump issue
posted by Cjw3
on April 16, 2022 at 11:29 AM
Message
Youd think that bypassing the FPCU would allow the fuel pump to workn thats whats stumping me. Like i said give the pump 12v and ground manually and it whirrs/buzzes. However per the manual its out of spec as it ohms 3.0 not the 0.5 fsm specifies
Follow Ups
Electrical / Fuel pump issue
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Drk93TT
07:40:01 04/16/22
Re: Electrical / Fuel pump issue
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Drk93TT
10:34:23 04/16/22
Re: Re: Electrical / Fuel pump issue
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Cjw3
11:29:54 04/16/22
That wire key on is 2.8mV only at the pump connection
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Drk93TT
13:02:54 04/16/22
Re: That wire key on is 2.8mV only at the pump connection
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Cjw3
14:03:43 04/16/22
Re: Re: Re: Electrical / Fuel pump issue -
Drk93TT
04:29:36 04/17/22
Update.....
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Drk93TT
09:37:40 04/17/22
Also just tested relay off car and good
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Drk93TT
10:24:09 04/17/22
Repaired 2 iffy solders at FPCU..
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Drk93TT
13:09:23 04/17/22
Did you make sure the ecu blue connector was seated correctl
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itsa300zx
13:43:28 04/17/22
Yep
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Drk93TT
13:59:33 04/17/22
Couple pics.. one of the repair and one fsm diag/flowchart
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Drk93TT
14:03:45 04/17/22
A member recently replaced the capacitors in fpcu with
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mrchips
07:45:50 04/18/22
Another update
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Drk93TT
12:50:18 04/29/22
Fuel pump Relay not clicking
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Drk93TT
18:27:14 04/30/22
Re: Electrical / Fuel pump issue
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Drk93TT
10:31:16 05/01/22
Update again for the record.
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Drk93TT
19:10:18 05/02/22
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