S13 FUEL PUMP?

ONLY for ADVANCED technical discussion about the 240sx!
jmontes228
Posts: 17
Joined: Tue Oct 09, 2012 7:40 pm
Car: 1990 240sx fastback - 5 speed

100% stock ;)
Location: NYC

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Hey everyone,

Been having problems lately starting my 1990 s13 and am starting to think it may be the fuel pump. It still has the stock ka24e motor in it and i don't believe that any of the previous owners have replaced the pump before. Starting to be bit of a headache because it only starts when it wants too. Every so often (now more frequently) when i go to start it up, it will immediately start then die and won't start again :wtf2: . If i let the car sit for a couple of days it will eventually start. Shooting a squirt of starter fluid will start it up for a brief second then it will die once again. It has spark and the compression is still quite good for a motor with over 200k miles lol. I'm assuming its a fuel delivery issue. I've read that nissan helped us 240sx owners out and made it fairly simple to replace the pump through the trunk which saves me the headache of bringing it somewhere. Is there any other little things that i should check before I go ahead and replace the pump? The fuse for the fuel pump is in good shape and other then starting the car it drives without any issues. Any advice would be appreciated! Thank You.


RiverCitySX
Posts: 71
Joined: Fri Jun 08, 2012 5:27 am
Car: 1993 Nissan 240sx KA-T
Location: Richmond,VA

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I would definitely check fuel pressure before condemning the pump.

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Dimitri
Posts: 80
Joined: Mon Apr 19, 2004 8:57 am
Car: 1990 240SX Red Hatchback-
Oui c'est un 240sx et non ce n'est pas à vendre
Location: California

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A few years ago a well placed forceful tap with a rubber mallet on the fuel tank took care of my fuel pump problem.
The long version is this: I took it to a place and mentioned it sometimes doesn't start ( you could hear the fuel pump making a different noise than usual after turning the key when it wasn't going to start )
I went to start the car and sure enough it wouldn't start.
mechanic guy walked over to his toolbox, grabbed a mallet, slammed it on the tank and asked me to try again.
It started right up, and it has been working fine for the last 8 or so years :)

RiverCitySX
Posts: 71
Joined: Fri Jun 08, 2012 5:27 am
Car: 1993 Nissan 240sx KA-T
Location: Richmond,VA

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Yea, I've smacked a few gas tanks myself, lol.
Never heard of a fuel pump lasting another 8 years
though, pretty awesome :lolling:

jmontes228
Posts: 17
Joined: Tue Oct 09, 2012 7:40 pm
Car: 1990 240sx fastback - 5 speed

100% stock ;)
Location: NYC

Post

well i was able to find an ADR Fuel Pump on ebay for around $25 bucks with shipping and decided to give it a shot. getting the old fuel pump out wasnt that difficult at all. sure enough with the new pump in the car started right up and has been starting without a problem since. thanks for the help guys.

RiverCitySX
Posts: 71
Joined: Fri Jun 08, 2012 5:27 am
Car: 1993 Nissan 240sx KA-T
Location: Richmond,VA

Post

sweet :)


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