The other item that can seriously affect economy is the MAF sensor. If it is on after this than fuel economy will be watered down along with performance. Most of the time it only works off idle where a deisel is at it's least efficient and most pollutant. This unit drops fuel figures like a brick if not working 100% as it waters down the oxygen content of the inlet air big time. The other improvement towards better fuel consumpton is to get rid of the EGR. Just fitting the muffler alone will result in better economy.(Done it on a TD5 after ECU Fuel remap) The tipan exhaust uses the Vortex muffler, the muffler can be bought straight from the supplier on the Internet at a much reduced price. This generally brings the fuel economy back towards where it was before the chip. They tipically inject about 2-3 times.Īnyone with a chip fitted should think about fitting a performance exhaust. The absolutely latest greatest deisels with the bigger HP from the same capacity use more than one fuel injection on the same power cycle to get more.
Generally they lengthen the injection time, thus more fuel and bigger smoother burn. Should have done it 10 years ago when Diesel was 50c/L.Ĭhips use more fuel to get more power. Traveled 12,398km used 2,216L of diesel and it only cost me about $4,500. The chip gives a vast improvement in power but when traveling at higher speeds and loaded the fuel consumption suffers. Previous figures in the SW of WA without the chip and with no tyre on the roofrack but towing the trailer etc, are averaging 14 to 15L/100km.
Laverton to Perth, Highway at 110 kmh, 17.7L/100km. Kunurra -Bungle Bungles- Katherine – Darwin – Kakadu – Pine Creek – Tennant Creek – Alice Springs”: 16 to 19L/100km towing at 110 to 120km/h.Īyres Rock – Great central road to Docker river (sandy road) – Giles – Gun barrel Hwy (4x4 slow going in Mud and soft sand) 18 to 21L/100km. Gibb-River road and up to Mitchell Plateau, mostly at 60 to 80 km/h 13.2L/100km. Perth to Broome 15.6L/100km at 100 to 110kph.īroome - Derby with a nasty head wind 19.6L/100km.
I have a 2005 GU4 (Not CRD), with Rapid chip, 3” Taipan exhaust, 285/75x16 Mickey T new ATZ tyres and loaded to the max with spotlights and spare tyre on the roof-rack + towing camper trailer. OH dear, my touring fuel consumption figures with the Rapid chip are not very good.
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