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  • Member
  • Member For: 14y 7m 16d
Posted

I have a 06 bf xrt and I am currently getting what I think is really bad fuel economy. It's currently averaging 16.5L/100km. Any ideas on what could be causing the real bad fuel economy. It use to be 13s and driven slightly longer distances. 16+ just seems huge. Could it be O2 sensor?

  • Legacy Donating Member
  • Member For: 16y 20d
  • Gender: Male
  • Location: Penrith
Posted

whats your average speed?

  • Legacy Donating Member
  • Member For: 16y 20d
  • Gender: Male
  • Location: Penrith
Posted

my mates bf is on 17.5 with a average speed of 28km/h. my g6et is at 11 at 57km/h, sounds about right.

  • Forged Member
  • Legacy Donating Member
  • Member For: 19y 7m 17d
  • Gender: Male
  • Location: SW Sydney
Posted

As soon as my car was tuned the fuel economy got better, the factory tunes are very fat for safety...

  • FREAKY
  • Legacy Donating Member
  • Member For: 16y 8m 30d
  • Gender: Male
  • Location: Melbourne
Posted

my car did the same thing. I was hovering around the 11 L/100km. then shot up to 13 driving the same path over 2 years. no idea why.

recently got a tune on 98 making 290kws and economy improved heaps.

then got 85 tune and now im sitting at 20L/100km. and loving it. lol

ps. the L/100km your getting is right as your avg speed is very low.

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