100 series TD sub tank running out of diesel

Submitted: Sunday, May 16, 2010 at 18:28
ThreadID: 78520 Views:2722 Replies:8 FollowUps:3
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G'day guys
I have just recently bought a 2001 100 series TD (after a recent post of mine tossing up between repowering my 80 series or buying a Hilux......), and twice I have run out of fuel on the sub tank - the gauge is still above empty and i could only put 40L into it (suppoesd to hold 45L) - the fuel light hadn't even come on... Any ideas on what it could be??

Thanks heaps

Drew
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Reply By: Member - Phil G (SA) - Sunday, May 16, 2010 at 18:36

Sunday, May 16, 2010 at 18:36
Drew,
Is there a dent in the subtank?
I expect not, in which case, sounds like the fuel pickup has been played with - maybe an aftermarket tank was installed and removed. I'd remove the fuel pick up/sender and check it out.

Cheers
Phil
AnswerID: 416923

Reply By: Member - Graham H (NSW) - Sunday, May 16, 2010 at 18:41

Sunday, May 16, 2010 at 18:41
fuel cap holding vaccum
AnswerID: 416924

Reply By: tojofixa - Sunday, May 16, 2010 at 19:03

Sunday, May 16, 2010 at 19:03
Drew,
The fuel light on the 100 series only works on the main tank.
As for only being only able to get 40 litres into the aux. tank from empty sounds fairly common. Some times this is due to frothing of the fuel as it enters the tank & thereby creating an air lock in the top of the tank & the filler neck.
Try filling the tank at a much slower rate & stay away from fast fill bowsers, ie; truck filling bowers. I own a 2000 TD & have had this problem on numerous occasions. I have also found that the angle the car is on when filling can have a big influence on how much fuel you can fuel you can get into either tank.

Enjoy your 100 series TD they are a great car.
Regards, Derek.
AnswerID: 416928

Follow Up By: brownie - Sunday, May 16, 2010 at 19:20

Sunday, May 16, 2010 at 19:20
The fuel light works on both tanks on my 100 series .[2002 standard]
Check/do all things noted above, also check the wiring & plugs around the changeover solenoid.

Cheers, brownie
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FollowupID: 687027

Follow Up By: Members Paul and Melissa (VIC) - Sunday, May 16, 2010 at 19:20

Sunday, May 16, 2010 at 19:20
that is incorrect, the fuel light works on BOTH tanks.
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FollowupID: 687028

Follow Up By: Members Paul and Melissa (VIC) - Sunday, May 16, 2010 at 19:29

Sunday, May 16, 2010 at 19:29
you will probably find the pickup is not on the bottom of the tank, thats all that will be. as for the gauge it can be adjusted to read correctly as mine originally did a similar thing. i have since replaced my sub with a much larger long range tank and have set it to read empty and light on with about 25 to 30litres left(hold 122L) and as for 5L left from 45 is not bad,i would rather have some left than keep sucking it dry as this buggers pumps.
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FollowupID: 687029

Reply By: Member - Stuart P (WA) - Sunday, May 16, 2010 at 21:13

Sunday, May 16, 2010 at 21:13
i have had an occasion in my apprentice years , where some one has added a fuel addittive and the foil cap on the additive bottle has become jammed in the fuel pickup took hours to find, on another occasion i found there was a hole just about half way up the fuel pickup, owing to the fact the fuel tank was never filled more than half.(due to corrosion)
AnswerID: 416953

Reply By: TerraFirma - Monday, May 17, 2010 at 12:04

Monday, May 17, 2010 at 12:04
I hate to say it but give or take a couple of litres if you have run out twice you aren't getting the servo quick enough. Given the range of your vehicle there is no excuse. (Said in humour..!) Pilot error..! LOL..
AnswerID: 416997

Reply By: Member - Shane D (QLD) - Monday, May 17, 2010 at 14:43

Monday, May 17, 2010 at 14:43
I have a '05 std deisel wagon and the low fuel light will come on at around 39-41 liters used from sub tank, I havent ran right out yet but the most i've put in was 43.4 liters.
The 1HZ's have a rotory fuel pump and they rely on the deisel for lubrication of sensetive parts, not a good idea to run 'em dry.
I have read here others have had problems filling from a hi-flow bowser, with fuel frothing and blowing back, I always use the truck pumps and never have had aproblem,maybe something different with the later year models.

Shane
AnswerID: 417010

Reply By: get outmore - Monday, May 17, 2010 at 15:58

Monday, May 17, 2010 at 15:58
OT but several times including a few days ago ive used the main then while on the sub just filled the main
- an hour or 2 later I have experienced complete loss of power and then it stalls
I dread the worst until I realize i forgot to change to the main and the button in the 80 is outside of normal driving viewing
DOH!

my 80 will go forever with the fuel light on and gauge on empty

- A few years ago I parted ways with Phill G after he helped me out with fuel around Zanthus the fuellight was on nearly all the way to kal and I made it back still with a jerry to spare

the sub on the other hand hits empty and stops dead
AnswerID: 417015

Reply By: Drew - Karratha - Monday, May 17, 2010 at 19:27

Monday, May 17, 2010 at 19:27
Thanks guys

The first time it ran out was on the way home after buying it - heart jumped a beat then!! The second time was on the very next fill - just to see of it was a one off - both times I had plenty in the main tank.... Will investigate further but wanted to make sure there isnt something common with them first...

Drew
AnswerID: 417040

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