Fuel Economys for a Turbo Hilux

Submitted: Tuesday, Jun 14, 2005 at 22:18
ThreadID: 23874 Views:1806 Replies:3 FollowUps:6
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I am the owner of a 2003 hilux. Has any one got any ideas on how to improve this things fuel economy. At the moment i am only getting 450 - 500 kms off the 80 litre tank. I am a farmer so the vehicle does some low reving work, and some open road running. It has done 26000kms. I have had the fuel pump and injectors done under warranty, but no improvement.
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Reply By: Jimbo (WA) - Tuesday, Jun 14, 2005 at 23:05

Tuesday, Jun 14, 2005 at 23:05

If you have a dual-cab you only haver a 66 litre tank!
AnswerID: 115801

Follow Up By: bucky - Wednesday, Jun 15, 2005 at 05:51

Wednesday, Jun 15, 2005 at 05:51
Go and get your vehicle put on a Dyno
You can get it set up to do whatever you want it to
My mates Hi-Lux ute does the same ,, but I am positive Dyno Tuning will solve your delima
It did my roblem with mt 2003 Navara Deisal

Cheers Mate
FollowupID: 371398

Follow Up By: Member - Jeff M (WA) - Wednesday, Jun 15, 2005 at 12:45

Wednesday, Jun 15, 2005 at 12:45
If you've got the 66 Litre tank and getting that kind of milage that'd be about right. What's that, about 13-14L, probally a little high but it's not way out there... If it really is on 80L then something is not right! Maybe you need to unhook the boat on the back when your working on the farm! LOL

First things first.
1. Does it have a snorkel, check for retrictors near the air ram at the top.

I'm getting about 400kms to mine but I don't run it empty, that's to about 50L, but it's carryin tools, recovery gear and 50 Litres of water constantly, it's an auto and thats around the city witht the air con on.
FollowupID: 371449

Follow Up By: Footloose - Wednesday, Jun 15, 2005 at 18:04

Wednesday, Jun 15, 2005 at 18:04
Jeff, since you say the city I assume Perth. Must be a pretty rough city if you have to carry water and recovery gear :))
FollowupID: 371470

Follow Up By: Member - Jeff M (WA) - Wednesday, Jun 15, 2005 at 18:10

Wednesday, Jun 15, 2005 at 18:10
You obviously havn't been to Perth lately, you here we are the crime capital of australia!! ;-)

The recovery gear is permantly stored in my storage box and I'm not going to pump out 50L of water each time we get home from a trip!
FollowupID: 371473

Follow Up By: Footloose - Wednesday, Jun 15, 2005 at 18:14

Wednesday, Jun 15, 2005 at 18:14
Last trip 4 years ago. Was due there in July but I might turn right and go to Broome again now :)))))))
FollowupID: 371477

Reply By: winger - Wednesday, Jun 15, 2005 at 20:53

Wednesday, Jun 15, 2005 at 20:53
Thanks fellas, the ute is a single cab chassis. So it has a 78 litre fuel tank. It has a safari snorkel fitted, since it was new. The air cleaner is cleaned every 5000 kms, but there is very little dust in it. I have another hilux. That is a 2001 dual cab. I get 550-600 kms off the 66 litres. Just cant understand why this other vehicle cant get a semi resonable number of kms off the tank of diesel.
AnswerID: 115937

Follow Up By: owenia - Monday, Jun 27, 2005 at 18:25

Monday, Jun 27, 2005 at 18:25
It is really a question of distance. by your own admission, you do a lot of low revving. I have a Dec 03 built petrol 3.4L SR5. I have more city driving and about 30% off road type driving. I have kept every single petrol receipt except for the twenty litres Sydney City Toyota placed in the vehicle to drive it from Glebe Is terminal.

I have calculated the fuel economy to be 11.4 litres per 100 kms.
the formula for the data is: y = 0.007x + 11.411 - if you understand a little maths. That equates to the figure I quoted together with an increase in fuel consumption since purchase averaging just less than 1% annually.

I made a determination to keep an eye on what the large organisation (Toyota Motorcorp) would do in the way of protecting its clients - having had a corolla serviced for $670 and then breaking down ten days later - to the surprise of the NRMA.

If you do a lot of low revving, the average fuel use per kilometer is going to be lower...naturally. trying to compare mobile driving with low revving is not really a valid comparison. To this point, I would refer you to the fuel consumption stickers on the windscreen passenger side suggesting the claimed fuel economy. Finding out that the 4.0 L engine has exactly the same economy quoted on my SR5 when I purchase it in Jan 04 was really surprising to me. I live next to an aircraft maintenance engineer. He stated that the technology used simply improves the efficiency output per litre used - in the newer engine.

"Don't Panic" - as Corporal Jones would say...you'll never really know what your real economy measure is until enough data has been gathered so that you can average out your usage as I have done.

My graph of data looks like a jaggered line but the really important statistic is the 'trend' which the equation above refers to.

Owenia (a northern nsw rainforest tree with a grain more attractive than the original 'red gold' of red cedar.)
FollowupID: 373077

Reply By: Member - Bill S (NSW) - Wednesday, Jun 29, 2005 at 19:54

Wednesday, Jun 29, 2005 at 19:54
HI you work it how come I get 800klms from my main tank and 400klms from my auxillery tank and its a turbo 4.2 80srs with 464789 klms on the clock
AnswerID: 118113

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