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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, 2003 Escalade fuel system woes in Cadillac Escalade Forums; Originally Posted by Airdorn I just wanna know why my engine was starved of gas, even though I had just ...
  1. #16
    the cadillac man's Avatar
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    Quote Originally Posted by Airdorn
    I just wanna know why my engine was starved of gas, even though I had just under 1/2 tank. After topping it off, it drove fine and has ever since. This event happened early yesterday.

    Do fuel pumps that are "going bad" really work intermittently?

    It seems more like some pickup hose isn't reaching down into the tank just right.
    As the fuel pump ages it loses pressure over time it isn't as noticeable as you might think as it happens slowly till it gets to the point it's either close to failing or just fails fully(sometime it warns you other times It DOESN'T) mine gave me a slight warning that it was on its way out not long after I got my truck then waited till I hit 150,000 miles exactly to die(I did notice a bit of lag in throttle response in the weeks before it died though)

    The odd thing was I never let my truck go below a half tank weird

    It had around 123,000 miles when it warned me

  2. #17
    hotrodln is offline Cadillac Owners Fanatic
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    Re: 2003 Escalade fuel system woes

    in any event the problem probably lies within the fuel tank. Unless your car has a gas filter? mine does not (2004). i had an old lincoln with a partially plugged gas filter that acted like you describe. the filter is part of the fuel pump setup on the 04 and up. i don't know about the 03's. but if it was inside the tank it could have a water issue....i'd either pull the tank or get somebody to do it for you.

  3. #18
    the cadillac man's Avatar
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    Quote Originally Posted by hotrodln
    in any event the problem probably lies within the fuel tank. Unless your car has a gas filter? mine does not (2004). i had an old lincoln with a partially plugged gas filter that acted like you describe. the filter is part of the fuel pump setup on the 04 and up. i don't know about the 03's. but if it was inside the tank it could have a water issue....i'd either pull the tank or get somebody to do it for you.
    It is the same on 03 also the 02's had a separate filter along with the strainer on the pump

  4. #19
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    Re: 2003 Escalade fuel system woes

    Yes, the 2003 Escalade has an in-line fuel filter. It's located right along the frame on the left side, right around the driver side door.

  5. #20
    the cadillac man's Avatar
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    Quote Originally Posted by Airdorn
    Yes, the 2003 Escalade has an in-line fuel filter. It's located right along the frame on the left side, right around the driver side door.
    You are thinking of the 02's I have had both up on the rack and my 03 doesn't have a in line fuel filter(my mom has a 02)

    Post pics if you think I am wrong as I have the gm service manual and it doesn't show a filter on the 03-06 just the 02

  6. #21
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    Re: 2003 Escalade fuel system woes

    I know it does, I've changed it.

    I have a 2003 Escalade.

    Pics:

    https://www.facebook.com/media/set/?...1139837&type=3

  7. #22
    the cadillac man's Avatar
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    Quote Originally Posted by Airdorn
    I know it does, I've changed it.

    I have a 2003 Escalade.

    Pics:

    https://www.facebook.com/media/set/?...1139837&type=3
    Link don't work
    I have looked in the location you mentioned and I only see the evap/or abs unit

    Is it possible that mine was removed and had a line put in its place?

  8. #23
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    Re: 2003 Escalade fuel system woes

    Bleah.

    It's a link to 5 pics of my 2003 Escalade on Facebook. I'm holding the in-line fuel filter in one, and then a pic of it in place in another.

    ----------

    http://i.imgur.com/4aB6ARm.jpg

    http://i.imgur.com/FtT25bx.jpg

    http://i.imgur.com/VpdbL5b.jpg

    Try those.

  9. #24
    the cadillac man's Avatar
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    Quote Originally Posted by Airdorn
    Bleah.

    It's a link to 5 pics of my 2003 Escalade on Facebook. I'm holding the in-line fuel filter in one, and then a pic of it in place in another.

    ----------

    http://i.imgur.com/4aB6ARm.jpg

    http://i.imgur.com/FtT25bx.jpg

    http://i.imgur.com/VpdbL5b.jpg

    Try those.
    I looked and the odd thing is my truck doesn't have a filter(yet is a 03 weird) since I know exactly where to look(had been told it was to the rear of the door) I will check and see if I had been misinformed(it has happened before)as I may have been either over looking it or not looking in the right place(it makes me wonder if gm did keep putting the cabin air filters on after 02 since the air box looks the same)

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