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Location:
Canberra
Registered:
May 2005
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a question for you all
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Sun, 22 May 2005 08:05
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i need some help. im currently driving a 1991 toyota camry sv21 with a 3s-fe. it has a 60 liter petrol tank but can only manage to do about 370 km of about 50 L before i fill it back up again. any help would be goood.
thanks
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Location:
Tassie
Registered:
July 2004
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Re: a question for you all
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Sun, 22 May 2005 09:08
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Huh   
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Sun, 22 May 2005 22:50
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well basically it is using wayyyyyyyyyyy too much petrol, its using about 15L/100km and it should be using about 10 maybe less. i was wondering if there is anything i can do???
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Location:
Terrigal
Registered:
May 2002
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Re: a question for you all
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Sun, 22 May 2005 23:12
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Could be 02 sensor.
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Sun, 22 May 2005 23:15
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but why would the O2 sensor be doing that, that would mean that it is letting ini heaps of air for the petrol to burn, but im not getting extra power which should happen if the is extra combustion.
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Location:
Brisbane
Registered:
May 2002
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Re: a question for you all
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Sun, 22 May 2005 23:41
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The O2 sensor allows the ECU to run in closed-loop mode at cruise, which keeps the fuel mixtures as lean as possible for maximum fuel economy. If the sensor is rooted the ECU will stay in open-loop mode and use heaps more fuel.
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Location:
Adelaide
Registered:
July 2002
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Re: a question for you all
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Mon, 23 May 2005 00:03
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or you have a fuel leak sumwhere?
but yes my guess would be o2 sensor aswell
i had mine umm fall out on me and normally id get about 600k's out of a tank of petrol on highway cruising, and i culd only manage 310 km plus there was massive amounts of black shit all around my exhaust.
other things to check might be timing.
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Location:
Kita-Ku, Sapporo, Japan
Registered:
January 2003
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Re: a question for you all
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Mon, 23 May 2005 00:40
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start driving on highways only 
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Mon, 23 May 2005 12:46
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lol ok kool thanks for the help. ill get it checked out. im pretty sure it no fuel leak as there is never any petrol on the ground where it has been parked, but i do get a very stong petrol smell from around the petrol tank when it has been parked sometimes.
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Location:
Brisbane
Registered:
May 2002
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Re: a question for you all
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Mon, 23 May 2005 23:16
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Strong petrol smell == fuel leak.
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Tue, 24 May 2005 00:34
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but the thing is ther is no liquid petrol any where, and it only does it sometimes, and i dirve alot. so im not sure if it a leek or what.
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Location:
Arthurs Creek, Victoria
Registered:
May 2002
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Re: a question for you all
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Tue, 24 May 2005 03:19
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I don't think it'd be a leek, vegetables don't usually end up in petrol tanks.
That said, it might be a leak.
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Tue, 24 May 2005 05:44
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lol, do you think a slight leak would be responsible for 200km lost per tank, or do you think it is a mix of both the O2 sensor and the leak???
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I supported Toymods
Location:
Australia
Registered:
November 2003
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Re: a question for you all
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Tue, 24 May 2005 06:01
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Petrol evapourates thus not leaving a puddle (unless there is enough).
If you think it may have a leak go get it checked out.
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Location:
Sydney
Registered:
September 2004
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Re: a question for you all
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Tue, 24 May 2005 08:15
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that smell could also be caused by the vented petrol cap....see if u can find where the smell is originating, if its around the cap and u cant see any visible signs of a leak then i would say there is no leak.
with regards to the question in general a service would be a wise course of action.
new plugs leads cap etc if necessary,
compression test the motor
do your timing
replace filters
check sensors with multimeter according to your manual
with those basics out of the way you will be in a much better position to determine if its a sensor or mechanical fault.
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Location:
Canberra
Registered:
May 2005
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Re: a question for you all
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Tue, 24 May 2005 11:38
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well it is going in for a 160 000 km service, so ill get them to do it then. thanks for all your help guys. 
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