2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

gt500 fuel pump problem!

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Old Aug 10, 2011 | 12:21 AM
  #11  
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Originally Posted by Maik0819
Something similar happens to me. Filling up an empty tank will be 60 or more and one day while filling up from empty it stopes at 35$ and it wouldnt let me put more and the fuel gauge was stuck at the half way mark. And now in days it's been stuck at full it so annoying having it stuck ...
Do you have the stock fuel pump, or the gt500 system?
Old Aug 10, 2011 | 02:41 PM
  #12  
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Well everything is in!! The fuel gauge is working properly and reading that I have half a tank, and the car starts and runs great! Thank god for JDM lol
Old Aug 10, 2011 | 02:59 PM
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If I put a new fuel pump in, I'd at least fill it up! =p.
Glad to know everythings working great!
Old Aug 10, 2011 | 03:04 PM
  #14  
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Thanks man lol, and I will once I go out. I only took it for a few mile drive to make sure things were working properly
Old Aug 10, 2011 | 04:32 PM
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Just a reminder that it's always good to check part numbers before putting something into the car. Otherwise, it's like popping pills and not reading the label.
Old Aug 10, 2011 | 04:50 PM
  #16  
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How can I check my fuel pressure and duty cycle? Would I be able to do this through datalogging? JDM is trying to get me on their dyno sooner than sept. 15 but I want to know if everything is good until than.
Old Aug 10, 2011 | 06:13 PM
  #17  
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Need a fuel pressure gauge on the fuel rail somewhere, as there is no active sensor in the system to monitor fuel pressure.

You can measure duty cycle with some data-logging. What size injectors do you have installed? 39lb should be plenty at your current power levels.
Old Aug 11, 2011 | 11:03 AM
  #18  
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Fuel pressure CAN be monitored. I do it all day long with my AeroForce gauges.
Old Aug 11, 2011 | 12:38 PM
  #19  
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Originally Posted by timmbo
Fuel pressure CAN be monitored. I do it all day long with my AeroForce gauges.
But I assume you had to install a sending unit somewhere on the fuel rail correct? To my knowledge there is no stock sensor gathering fuel pressure readings.
Old Aug 11, 2011 | 01:03 PM
  #20  
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I just wanted to check to make sure there is nothing wrong with the gt500 pumps. Car runs fine and everything, just wanted to double check before JDM gets me on their dyno.

Also what is a good, not overly priced, wideband? I would really like to add that and a JLT catch can ASAP



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