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View Full Version : S13 fuel pump problems.. Help!


jdishhy
07-28-2014, 03:00 PM
Okay guys so I just got done swapping my sr20 into my hatch. once I got it running I decided to pull my fuel pump out today and replace it with an isis 255lph pump that I bought in preparation for the swap.

Now after installing the pump, I turn the key on, hear the pump prime, but don't get any fuel - car won't start. Pulled the feed line off the rail and no fuel came out. So then I went back to the trunk area and pulled the line off the pump itself and turned the key and still no fuel coming out.. wtf!

The filter bag is on and secure and the the small line coming right off the pump itself is on and secure. I'm confused.


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anti tyler
07-28-2014, 03:26 PM
since you've already pulled most of the rear stuff off, pull the pump out and put it in water. rig it to a battery (power/ground) and see if it pulls fluid.

jdishhy
07-28-2014, 04:19 PM
figured it out guys, someone had already put some other fuel pump that had opposite locations for positive and negative so the pump was running backwards lolol stupid mistake


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