1FZ-FE Fuel Economy (1 Viewer)

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Joined
Oct 1, 2022
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Location
Darwin, NT
Hi,

I have a LC100 FZJ105 with a 1FZ-FE in 5 speed manual and 33s. Car is weighing in at 3200kg with all the gear in it. Engine has had complete rebuild 15,000km ago. Fuel consumption was 24L/100km Replaced injectors and fuel consumption is now 38L/100km. Ignition system is new and fuel system is new. Most of the engine bay has been replaced radiators etc. Electronics have NOT been touched.

9 days from now I will have a Link G4+ ECU and wide band O2 sensor installed and tuned in the hope of fixing the terrible economy.

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When you replaced the injectors did you disconnect the battery to reset the ECU? Are the new injectors stock or larger than stock?
They are meant to be a stock replacement. Work carried out by a qualified mechanic. Not convinced they are the standard size. Pressuming ECU and O2 will fix a lot of the issues I am experiencing.
 

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