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gas gauge needle

Discussion in '2nd Gen. Tacomas (2005-2015)' started by williamss, May 28, 2009.

  1. May 28, 2009 at 11:58 AM
    #1
    williamss

    williamss [OP] Active Member

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    Projector halo headlights CCFL, Instrument panel (Blue Leds) Retrax cover pinstripping, SES chrome mesh grill, added led signal lights to mirrors, audio vox rear view camera. american racing rims.
    Would like to know :crazy: Replaced instrument panel, but did not realize the position of needle on gas gauge when engine is off. Is it at E or below E and if it's below how much. 1/8 of an inch or 1/4 ?

    Thanks
    William:goingcrazy:
     
  2. May 28, 2009 at 12:06 PM
    #2
    squad314

    squad314 Thinks he's Steve McQueen

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    Just went out and checked....When shut off,the needle is well below the bottom mark and is just behind the 3 horizontal lines in "E".

    Make sense?
     
  3. May 28, 2009 at 12:37 PM
    #3
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    I've ran mine this low
    [​IMG]
    but when turned off it still goes down farther, probably about to the upright line on the 'E'. Hope this helps a little.
     
  4. May 28, 2009 at 1:11 PM
    #4
    Phantom_X-SP

    Phantom_X-SP Rude Boy |><|

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  5. May 28, 2009 at 1:23 PM
    #5
    8th sin

    8th sin Swollen Member

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    this reminds me of that seinfeld episode lol
     
  6. May 28, 2009 at 1:45 PM
    #6
    DDD

    DDD Shine bright like a hymen

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    To determine where the needle should be positioned, fill up the tank to the top. Then with the key in the on position, install the needle at the full mark.
     
  7. May 28, 2009 at 4:37 PM
    #7
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    well, my precisely calibrated SG2 showed that I'd used 19.5 gal. at that point(right before filling it) and these trucks have a 21 gal tank so I figured I was fine. Sure enough, the pump was to the 1/10 of a gallon from what the scangauge said, just as usual.:D
    That was the lowest i've ever gone though, plus you dont want to run too empty or else you suck up any sediments in the tank
     
  8. May 28, 2009 at 4:41 PM
    #8
    DanGer

    DanGer Avatar approved by 98tacomav6

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    If that happens we can just easily change the filter:rolleyes:
     
  9. May 28, 2009 at 4:46 PM
    #9
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    yeah, but still. I don't want to have to change the filter any more than necessary.
     
  10. May 28, 2009 at 4:50 PM
    #10
    DanGer

    DanGer Avatar approved by 98tacomav6

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    I was being sarcastic about our "unserviceable" FUEL filter haha
     
  11. May 28, 2009 at 4:56 PM
    #11
    neslerrah

    neslerrah Taco lovin'

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    The most gas I consumed in a tank was 18.7 gallons. I used my SGII as well.
     
  12. May 28, 2009 at 4:59 PM
    #12
    DanGer

    DanGer Avatar approved by 98tacomav6

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    men you two make feel feel like a pansie. I know the fuel light comes on with ~4 gallons left but once that thing turns on my mind is paranoid and constantly second guess it.

    Thus the most I have pumped in is 17.8 gallons
     
  13. May 28, 2009 at 5:02 PM
    #13
    neslerrah

    neslerrah Taco lovin'

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    I felt the same way before my SG. My SG is precise, sometimes accurate, so I sometimes test the limit. But not too much. I don't want by Taco to dehydrate.:D
     
  14. May 28, 2009 at 5:17 PM
    #14
    gjbonner

    gjbonner Well-Known Member

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    Does the light come on with 4 gals left in all 2nd gens or is it different for some...I have 07 double cab...should be the same right. I have always wondered about this but the owners manual never said anything about how mnay gals were left when the light came on.Is there a possibility that two 07 double cabs could have different size tanks? probably not but thought id ask
     
  15. May 28, 2009 at 5:23 PM
    #15
    DanGer

    DanGer Avatar approved by 98tacomav6

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    Well with my truck, when I fill it up RIGHT when the light comes on (one time it came on as I was pulling into shell), it takes about 17 gallons to fill. So I assume there is 4 left in there.
     
  16. May 28, 2009 at 5:27 PM
    #16
    gjbonner

    gjbonner Well-Known Member

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    Yeah i thougth maybe i had a 17gal tank and thats what it seems like when the pump automatically kicks off. however if i do the famous "top off" i can get about 21 in it. ive ran it low a couple times. my owners manual talks of a 17.2 or something and a 21 gal tank as well but i couldnt tell you what i have...or when the light comes on. what happened to owners manuals that told you exactly how many gals you had left? so i guess your saying i should have the 21?
     
  17. May 28, 2009 at 5:30 PM
    #17
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    More importantly, The fuel pump uses the fuel for cooling it. Running it below 1/4 to 1/8 lets the pump run hot. Doing this too often will burn the pump up.
     
  18. May 28, 2009 at 6:42 PM
    #18
    RelentlessFab

    RelentlessFab Tacoma offroad armor fabricating beast Vendor

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    Had tons on the old Taco's.... new Tundra is pretty stock
    hmm. thats interesting, but makes sense. Thanks for the lesson in fuel delivery, chris.:cool:
     
  19. May 28, 2009 at 7:00 PM
    #19
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    ;)
     
  20. May 28, 2009 at 7:27 PM
    #20
    senna

    senna Well-Known Member

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    Hi guy's

    So I have heard this said many times before, My question always is "does the fuel traveling through the pump or is it the fuel surrounding the pump that cools it?

    For years we have used externally mounted pumps that must have been cooled by the fuel traveling through the pump.

    So if it is the fuel traveling through the pump then there is no issue running your tank low.

    I am not sure I buy the sediment in the bottom of the tank either, the pump is always picking up from the same spot in the tank, so how is running low going to effect this?
     
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