Fuel Pump wont prime - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

jza240sx · 12-13-2009, 07:11 AM

Keep in mind i havent started this car in almost a year now since i pulled the SR out to do a new swap. So the other day i connected my battery to check if everything was still working and i didnt hear the fuel pump turn on. I tried do this a month ago to get my old gas out but i ended up getting a syphon pump since the fuel pump didnt wanna turn on. I figured since the harness wasnt connected then it wouldnt get any signals from the ecu or what ever. Now that everything is plugged in, it still doesnt wanna prime. I know its not my alarm system since i replaced the battery on my remote and disarmed the system. Also checked out all my fuses and they are all fine. The fuel pump was in working condition last time it was started up. Basically everything was in working condition last time i drove this car. Maybe a relay has gone bad?? Where is the relay or fuse for the fuel pump on a 95 240sx?? I red somewhere that the EGI 7.5amp fuse gives power to the fuel pump but i checked that fuse and it was fine.

g6civcx · 12-13-2009, 07:39 AM

Go download a factory service manual (FSM) for a 95 S14.

Section EC, page 200 describes what the fuel pump does. Page 201 describes what wires are connected to what components, including the number of connectors and relays.

Go to section EL. The last dozen pages will tell you where the relays and connectors are located on the car.

Now comes the question. Did the fuel pump ever work at all?

jza240sx · 12-13-2009, 07:47 AM

Quote:

Originally Posted by g6civcx

Go download a factory service manual (FSM) for a 95 S14.

Section EC, page 200 describes what the fuel pump does. Page 201 describes what wires are connected to what components, including the number of connectors and relays.

Go to section EL. The last dozen pages will tell you where the relays and connectors are located on the car.

Now comes the question. Did the fuel pump ever work at all?

Yea... if you read my description i did say that everything was in working condition when my SR was pulled out...

g6civcx · 12-13-2009, 08:54 AM

You may want to space out your thoughts more precisely instead of a long stream of consciousness.

The fuel pump is simple. The ECU triggers the fuel pump relay. Power is fed to the pump and then to ground.

12-13-2009, 07:11 AM	#1
jza240sx Zilvia Addict Join Date: Aug 2009 Location: New Jersey Posts: 958 Trader Rating: (35) Feedback Score: 35 reviews	Fuel Pump wont prime Keep in mind i havent started this car in almost a year now since i pulled the SR out to do a new swap. So the other day i connected my battery to check if everything was still working and i didnt hear the fuel pump turn on. I tried do this a month ago to get my old gas out but i ended up getting a syphon pump since the fuel pump didnt wanna turn on. I figured since the harness wasnt connected then it wouldnt get any signals from the ecu or what ever. Now that everything is plugged in, it still doesnt wanna prime. I know its not my alarm system since i replaced the battery on my remote and disarmed the system. Also checked out all my fuses and they are all fine. The fuel pump was in working condition last time it was started up. Basically everything was in working condition last time i drove this car. Maybe a relay has gone bad?? Where is the relay or fuse for the fuel pump on a 95 240sx?? I red somewhere that the EGI 7.5amp fuse gives power to the fuel pump but i checked that fuse and it was fine.

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12-13-2009, 07:39 AM	#2
g6civcx Post Whore! Join Date: Apr 2004 Location: Virginia, USA Posts: 5,764 Trader Rating: (5) Feedback Score: 5 reviews	Go download a factory service manual (FSM) for a 95 S14. Section EC, page 200 describes what the fuel pump does. Page 201 describes what wires are connected to what components, including the number of connectors and relays. Go to section EL. The last dozen pages will tell you where the relays and connectors are located on the car. Now comes the question. Did the fuel pump ever work at all?

12-13-2009, 08:54 AM	#4
g6civcx Post Whore! Join Date: Apr 2004 Location: Virginia, USA Posts: 5,764 Trader Rating: (5) Feedback Score: 5 reviews	You may want to space out your thoughts more precisely instead of a long stream of consciousness. The fuel pump is simple. The ECU triggers the fuel pump relay. Power is fed to the pump and then to ground.