All Things Mk5 > How to Guides / Troubleshooting

very low MPG any reasons to why ???

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mk5 gti :):
hi am new to this forum :) but the problem am getting with my 05 gti AXX engine is that the mpg is very low in the region of 17 to 20mpg jus wondering to any commen reason to why...also gettin 200miles out of a full tank of fuel which dont seem right as people are gettin way more with driving the car with a heavy foot  :wink: any suggestions are welcome thanks

Saint Steve:
Live in Central London?? or high density area fella??

winrya:
Doesn't sound right, round town you should be looking at 300 miles to a tank, I just did 450 miles on one tank of motorway driving and that's stage one revo. Very pleased :smiley:

john_o:
sounds a tad low tbh but basics first.

95 or 98/99 RON fuel?
general usage over what distance/speed etc (like Steve has asked)
when was the car last serviced?
all tyre pressures ok?
air con on all the time? + do you have any extras that may impact mpg? (e.g. stereo systems)

from their its health checks on the car DV/PCV etc , maybe including VCDS logging to check parameters for things like boost etc are ok

Is the car totallly standard ? has it always had poor mpg?
a quick check is to find a flat road and check the instantaneous consumption figure in 6th @70mph

Hedge:
Have you borrowed my car?  :smiley:

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