S15 fuel pump not priming!!

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Bobi_t
Posts: 2
Joined: Fri Feb 22, 2019 10:28 pm

S15 fuel pump not priming!!

Postby Bobi_t » Fri Feb 22, 2019 10:41 pm

hey guys

so I have recently upgraded my turbo, intercooler and removed the old power fc and have installed the Platinum PnP but can't get the fuel pump to prime and start the car

the car is a jdm s15 and have changed that in the software and still nothing

I have used a test light on the pumps pin out and there is power, but also as I do this the pump primes but continuously which has thrown me off

could it be the relay?

car was running perfectly fine before on the power fc

any ideas?

cheers

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Nissanman
Posts: 122
Joined: Sat Mar 15, 2008 2:40 pm
Location: Adelaide, South Australia
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Re: S15 fuel pump not priming!!

Postby Nissanman » Sat Feb 23, 2019 5:34 pm

You are probably providing a ground through the test lamp allowing the pump to run, in which case the ECU/relay is not switching the ground to the pump.
Put 12V behind your test lamp and go looking for the switched ground :idea:
Nissanman, just trying to help.....

Bobi_t
Posts: 2
Joined: Fri Feb 22, 2019 10:28 pm

Re: S15 fuel pump not priming!!

Postby Bobi_t » Sun Feb 24, 2019 9:29 pm

will try that cheers mate


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