Geez 12.2 mate, how do you manage that with city driving, mine is an EL auto also, and my ave is bout 16.5 and that driving with a light foot, though its ideling slightly my car, so maybe thats why it using more petrol, maybe just need a tune up
Holy smoke batman, try 17L/100ks (grandma) and 22.5L/100ks recently (I think a sensor has failed or something... I got a "faulty EGR sensor" code or something like that from the ECU) Never had her less than about 16.5 5.0 EL Fairmont Ghia
I average around 450kms a tank, but fill with 40 left to go, so 490kms if you look at it that way. My injectors are rooted, so i spose im pretty lucky there, but it reports 13.3 or there abouts. Used to be high 11s though.
I've had it sitting on 8.3/100 on holiday trips, and with a fully loaded car (boot + back seat full of holiday crap) it went 9.8/100 on a 3000km trip which is not to shabby.
The 6's are pretty thirsty little things, and they run pretty rich straight from the factory. But you should make atleast 500kms a tank around town with normal driving and a good squirt once a day. If you dont ya need to give it a tune up :)
Watch the instant read out, ive had it hit 70+L/100km a couple of times
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