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Navara D40 Diesel Fuel Consumption
Navara D40 Diesel Fuel Consumption
We bought a D40 Auto Diesel and has done 5000 kms and having really poor fuel consumption. Around 14/100 done several modifications and managed to reduce 9.7/100 Has anyone else had this problem?
auto's will suck a bit more fuel, especially as they have DPF. make sure you use DPF friendly engine oil.
i assume you kept the DPF when you did the exhaust.
what speed do you drive at ? that a critical thing. had someone on another forum complain about high fuel usage, found out he cruised at 160km/h......no wonder he was chewing fuel.
i hope with those mods you have boost and EGT gauges fitted. highly important when modding variable turbo motors. changing the exhaust changes the way the turbo operates which can cause all sorts of fun.
especially as Nissan will not touch it under warranty due to the mods.
also you will need to clean the MAF regularly as the K&N will cause it to foul up. just give it a wash out every 5000k or so. maf plays up, especially with chip, motor can over fuel and blow holes in pistons fairly quickly. EGT gauge is a life saver.
i assume you kept the DPF when you did the exhaust.
what speed do you drive at ? that a critical thing. had someone on another forum complain about high fuel usage, found out he cruised at 160km/h......no wonder he was chewing fuel.
i hope with those mods you have boost and EGT gauges fitted. highly important when modding variable turbo motors. changing the exhaust changes the way the turbo operates which can cause all sorts of fun.
especially as Nissan will not touch it under warranty due to the mods.
also you will need to clean the MAF regularly as the K&N will cause it to foul up. just give it a wash out every 5000k or so. maf plays up, especially with chip, motor can over fuel and blow holes in pistons fairly quickly. EGT gauge is a life saver.
did it have any sensors in the exhaust tube?
a lot of the overseas diesels with DPF's have sensors to tell the ecu to regen etc. some get cunning and actually monitor cat/DPF performance. if you remove cat/DPF the ecu can go into limp home mode because it thinks its faulty.
i have not seen what system nissan have in them.
wheres you EGT probe placed?
a lot of the overseas diesels with DPF's have sensors to tell the ecu to regen etc. some get cunning and actually monitor cat/DPF performance. if you remove cat/DPF the ecu can go into limp home mode because it thinks its faulty.
i have not seen what system nissan have in them.
wheres you EGT probe placed?
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