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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars |
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#1 |
Zilvia Junkie
![]() Join Date: Jan 2008
Location: In a house, CALIFORNIA
Posts: 392
Trader Rating: (1)
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![]() Ok so you know how you turn the car to the on position, and the fuel pump primes itself for like 5 seconds?? Well mine just keeps pumping!! I know its a wiring problem but im not sure which wire from the ecu i need to splice. And Im also not sure where that wire needs to be run to. Any help would be great!!
S13 RB25 Power fc full bolt ons holset hx35 850cc injectors tuned for e85 500whp 500tq Now thats issue #1... Heres part 2 Im thinking I now a have a stuck open injector or something is grounding out some of my injectors. Car is hittin the 10:1 afrs. It bogged and died out on me after a nice little splurge on the fwy ![]() |
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#2 |
Zilvia Member
![]() Join Date: Oct 2008
Location: Knoxville,TN
Age: 48
Posts: 201
Trader Rating: (3)
![]() Feedback Score: 3 reviews
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I would say a ground issue. Fuel pump relay is in the box next to battery. See if the black with pink gives ground when you turn the key. If that wire gets ground then when you turn the key on it runs forever till you turn it off. Injectors get constant so if it gets ground on the other side then the inj locks open if pumps running then they fill the cyls.
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#4 |
Zilvia Junkie
![]() Join Date: Aug 2006
Location: omaha, ne
Age: 31
Posts: 451
Trader Rating: (2)
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i looked up the ecu pinout and ran the fuel pump wire to the factory s13 fuel pump (fuse box plug) it the brown plug off of fuse box.
i dont know how this compares to your setup |
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fuel pump, rb25, s13, wiring |
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