mikeamondo Posted January 18, 2006 Share Posted January 18, 2006 I've got a '90 Legacy.... same car as on my other post about the starting issue.... Here's another, but I think unrelated problem... When the fuel tank is low... like below a quarter or eight of a tank, it will loose power, especially when going up hill.... acts like it's about to die. If I pump the gas a few quick times, it will catch an run again without completely dying. The problem goes away when I fill the tank and only happens when low. Is this a weak fuel pump? If so, how hard is it to change? I just realized that I forgot to put it on the list for the mechanic....... Thanks, Mike Link to comment Share on other sites More sharing options...
tunered Posted January 18, 2006 Share Posted January 18, 2006 when mine runs out of gas putting more in seems to help,if it runs fine when it has more in the tank it wouldnt be a pump problem,either gauge is off,or have heard about pickup problems. Link to comment Share on other sites More sharing options...
Chef Posted January 18, 2006 Share Posted January 18, 2006 My understanding is that fuel pumps tend to die suddenly rather than weaken slowly. But, this may not always be the case. It would sounds to me that whatever the pump uses to draw gas from the tank is higher than it ought to be, and therefore not getting gas when the tank is low/tilted. Maybe unfasten the fuel pump connectors and pull it out and inspect it for damage/wear. Link to comment Share on other sites More sharing options...
mikeamondo Posted January 18, 2006 Author Share Posted January 18, 2006 Do I get at it through the floor in the back of the wagon? Link to comment Share on other sites More sharing options...
Chef Posted January 19, 2006 Share Posted January 19, 2006 Yup - much easier with the wagon than the sedan (no seat removal). Lift the carpet and foam, and look at the right hand side near the seat. You'll see a metal plate screwed down. Remove the plate, disconnect the connectors, and the fuel pump should be able to be unscrewed and lifted out. I believe that's all there is too it, someone correct me if I'm off please. Do I get at it through the floor in the back of the wagon? Link to comment Share on other sites More sharing options...
tcspeer Posted January 19, 2006 Share Posted January 19, 2006 That sounds right, I done mine a few years back in the 97 wagon it was very easy. Be sure and take the cable off of the battery first, you dont want to make any sparks while you are back their. Yup - much easier with the wagon than the sedan (no seat removal). Lift the carpet and foam, and look at the right hand side near the seat. You'll see a metal plate screwed down. Remove the plate, disconnect the connectors, and the fuel pump should be able to be unscrewed and lifted out. I believe that's all there is too it, someone correct me if I'm off please. Link to comment Share on other sites More sharing options...
sea#3 Posted January 19, 2006 Share Posted January 19, 2006 Assuming this is an AWD car. You might want to check the jet pump, which is with the fuel pump to see if it is blocked .The purpose of the Jet pump is to transfer fuel from the left side of the tank to the right side of the tank, especially when the tank is low SEA#3 Link to comment Share on other sites More sharing options...
camroc14 Posted July 28, 2009 Share Posted July 28, 2009 I have a similar thread i just posted and i was lookin through the ones relating to my own. the last post i just read mentioned the jet for AWD vehicles. mines two wheel, would mine not have it? if you read my thread you'll understand why i'm asking. Link to comment Share on other sites More sharing options...
OB99W Posted July 29, 2009 Share Posted July 29, 2009 (edited) Since the FWD doesn't have a driveshaft going to the rear, its fuel tank doesn't have compartments to each side that would require the jet pump to transfer fuel from one to the other. Edited July 29, 2009 by OB99W Link to comment Share on other sites More sharing options...
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