Number of things to check for economy, fuel filter (full of crap maybe), injectors (clogged?), air intake, yeh o2 sensor, air filter (change to k 'n' n panel)... vaccum lines (no kinks)..Check the Cat to see if its not clogged with crap.. Getting like extractors/exhaust will improve but dead set if the 3.0 / 3.5 lrt are driven within reason I cant see why you cant get 10L/100... Think anything to make the engine run easier / smoother / free will save you fuel.Originally Posted by JarRah


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