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Fuel Pump Prob - Which Fuse/which Relay?

Daved

By Daved,
in General Maintenance

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Daved Contributor

Daved

Posted
Posted

Recently posted this and got a ripper reply from 400KW how to remove the pump . . but, when removed the pump works fine, tested wires and no current at pump elec plug (adjacent plug for Fuel Gauge works fine).

So I pulled all the fuses and all check AOK with OHMmeter. I have Skyline Fuse box in English and the narrative doesn't have which fuse is for the Pump so I guess it shares with another "Ignition fuse".

I am down to guessing that the problem might be the Fuel Pump "relay" - but which Relay?

suggestions anyone - only alternative seems to be run a new live "fused" wire to get power?

Thanks Dave

My R33 GTS (Non-Turbo) died in peak hour (I mean peak - centre lane too) last night - just stopped, spins fine, doesn;'t fire - spark AOK.

No "tick tick" sound from the boot area and we reckon at 175Klm the fuel pump has retired to a better place (better than my lovely R33, hard to believe I know).

Anyway - where is it - is it in the tank?

Is it under the panel under the parcel sheld (4 x 10mm bolts) in the boot beside the battery?

Anyone done a swap before - is R33 Series One same as R33 GTS-T or R32 or maybee other models such as Maxima or 180SX etc etc

Suggestions welcome - also - in this case - anyone S/East suburbs of Melbourne got One - prefer factory -

Thanks guys/gals & other tech heads out there - Dave

[email protected]

MrStabby Grand Master

MrStabby

Posted
Posted

On 32 GTR there's one in the boot, fairly close to the latch. You probably know this, but to test a relay just connect 12V the two pins that are shown as connected with a coil of wire (there's a diagram on the outside).

Not sure if your car has it, but there is a fuel pump control module that i *think* performs earth switching and switches a soft earth at idle, so there's less voltage at the pump when full voltage is required. These modules tend to die. On my car its behind the wall trim drivers side rear seat.

some_cs_student Veteran

some_cs_student

Posted
Posted

Also check the fuel pump ground, I had an issue where the fuel pump was fine but the factory ground just stopped working one day.

Grounding directly to the chassis worked fine....(and the thread I posted seem to show its a common mod)

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