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Old 12-11-2008, 09:45 AM   #1
99-MONT
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Default really bad economy

hey guys only had my mont a week but its showing 19L/100km average on my display, ive had the leads, plugs, fuel filter, oil change etc and it hasn't changed much at all, i reset it when i got her, was 13.9 but now won't budge from 19, could the oxy sensor need replacing?

btw its an i6

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Old 12-11-2008, 09:47 AM   #2
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The oxy sensor could be causing that, yes.
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Old 12-11-2008, 11:03 AM   #3
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don't forget to clean/change the air filter as well
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Old 12-11-2008, 02:40 PM   #4
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Id be saying clean the air filter, change the oxy sensor, and failing that maybe your cat.
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Old 12-11-2008, 03:20 PM   #5
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if you're driving in pure city, aircon on, giving her full welly every set of lights, you'll see 19L/100klms without worry.
Just remember to check the display against actual consumption at the bowser (fill full, reset trip meter, drive, fill full, divide litres by kays and times by 100, giving you litres per hundred kilometres.)
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Old 12-11-2008, 05:54 PM   #6
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Try the oxy sensor.
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Old 12-11-2008, 06:43 PM   #7
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Quote:
Originally Posted by Mr Hardware
if you're driving in pure city, aircon on, giving her full welly every set of lights, you'll see 19L/100klms without worry.
Just remember to check the display against actual consumption at the bowser (fill full, reset trip meter, drive, fill full, divide litres by kays and times by 100, giving you litres per hundred kilometres.)
cheers mate, might give the actual consumption a go, haven't tried that yet. i think she might need a few more motorway runs as well.
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Old 12-11-2008, 10:14 PM   #8
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yeah thats a good idea the trip meters arnt that accurate the only way is to measure it properly over 3 or 4 tank of juice hey...
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