LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Cold Weather Affect a Fuel Pump

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Old Jan 21, 2005 | 08:42 PM
  #1  
97WS6SCharged's Avatar
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From: Jacksonville
Cold Weather Affect a Fuel Pump

Just wondering if cold weather can affect a fuel pump or cause a failing one to fail a little quicker. I've been having an intermittent skip/loss of power. Yesterday morning it was terrible, I thought I was going to break something. Tonight, it was smooth as silk, though it was idling at 1500 for some reason? Anyways, it seems to do it when it's cold outside (less than 60 degrees). Just looking for thoughts, I'm going to hook up my fuel pressure gauge in the morning after work or sometime this weekend.
Old Jan 22, 2005 | 12:27 AM
  #2  
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Re: Cold Weather Affect a Fuel Pump

well, first check for leaks in the fuel lines. any small crack or even a bad seak on the fuel filter can cause a pretty inconsistant operation. only thing i've ever heard of with cold and fuel pumps, is that u can burn up a fuel pump quite quickly by turning the pump on and off many times in short incruments. we had a 2000 T/A burn a fuel pump from moving it in and out of the shop soo many times without leaving it run. buth the car was a donor from gm so it's not like we can do anything with it anyways.
Old Jan 22, 2005 | 12:33 AM
  #3  
97WS6SCharged's Avatar
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Re: Cold Weather Affect a Fuel Pump

No fuel leaks in the system. Everytime I drive the car it's atleast 30 minutes since I live in the middle of nowhere. The only time it acts funny is when it's below 60 degrees outside. Tonight the temp was right around 65 and everything worked fine, but I will guarantee that when I leave in the morning it will act up again. It's just frustrating.
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