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oxy sensor.... 

 

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 Post subject: oxy sensor....
Posted: Tue Dec 20, 2005 6:51 pm 
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ok guys.. in a final effort to fix my fuel economy im gonna replace the oxy sensor..

my average is 17.3L/100 km with around townish driving, but not to much peak hour with the car rarely seeing over 3000rpm :cry:

went to unbolt the old one today to have a look at it before i bought it.. and the f**k wont budge.. i got extractors fitted a few weeks ago, so im thinking that the guy at the exhaust shop cross threaded it when he put it back on :evil: got my bro to have a shot at gettin it off who is an apprentice mechanical fitter and he was using 2 spanners etc and we only managed to get it to turn maybe 1/4 a turn at the most!

so can anyone tell me what oxy sensor do i need for an ef 6.. and best place to buy it?

i might go past the mechanics first, see if he can get it off, if it wont move then ill go back to the exhaust place and give them a blasting and ask politley for them to remove the damn sensor

 

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Posted: Tue Dec 20, 2005 7:04 pm 
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try using some rost off, or nut cracker spary to help get it off, remember it gets hot and can seize on, although the guys who fitted the extractors should have put some grease on it to stop it but sounds like they didnt.
have u check that the o2 sensor is really stuffed? if its not repalceing it wont effect your fule econemy anyway. also sounds like u got more of a problem than just a 02 sensor even if it is shot, it wont make ur econemy go that bad on a ef.
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Posted: Tue Dec 20, 2005 7:08 pm 
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i've one you can borrow if you want gaz to try...

 

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Posted: Tue Dec 20, 2005 7:09 pm 
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I've still got it Frase. I'll give it back as soon as you want.

 

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Posted: Tue Dec 20, 2005 7:34 pm 
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well, what else will kill my economy?

new leads/plugs. changed oil + filter all 500km ago

 

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Posted: Tue Dec 20, 2005 8:14 pm 
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faulty sensors, air leaks, loss of compression, dirty injectors and carbon build up on valves(which alot of people forget to clean out too) low tyre pressures, and wheel alighnment out. list can go for a while
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Posted: Wed Dec 21, 2005 12:37 am 
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fuel filter

 

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Posted: Wed Dec 21, 2005 1:15 am 
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any thoughts on if the oxy sensor would be threaded? how hard should they be to undo? and if its threaded will it be the oxy sensor or the extractors thread thats f**k?

i will be p****d if the extractors are.. and if they are i can assure you the exhaust guy will be fixing them..

wheres the fuel filter? accessed thru boot? what they worth? and where can i get one :D

 

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Posted: Wed Dec 21, 2005 10:43 am 
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Base Timing could be out also. Mine was on my EA and i was chewing through the juice, and also had a huge power loss!
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Posted: Wed Dec 21, 2005 11:51 am 
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Gaz wrote:
wheres the fuel filter? accessed thru boot? what they worth? and where can i get one :D


Under the read passenger side door, just behind that main strut.

You see a little cylinder about 50mm in diameter and about 150mm long. Its the fuel pump access that's in the boot.

 

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Posted: Wed Dec 21, 2005 2:24 pm 
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well i managed to get the C*** off today..

and well, now i see why it was so hard to get off

Image

Image

well, theres no chance of my puttin that back in to go buy a new one, so ill be borrowing a car to buy a new one..

69 bucks at auto1 :D

 

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Posted: Wed Dec 21, 2005 2:25 pm 
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s**t that looks well and truly smashed. you reckon the exhaust shop put that in and made it like that?

 

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Posted: Wed Dec 21, 2005 2:25 pm 
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s**t that looks well and truly smashed. you reckon the exhaust shop put that in and made it like that?

 

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Posted: Wed Dec 21, 2005 2:33 pm 
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well, they were the last people to touch it, and its pretty hard to do that kinda damage unscrewing a bolt

 

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Posted: Wed Dec 21, 2005 3:44 pm 
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now im f**k p****d off, went and bought a new one, went to screw it in..

wont go in, pull it off, half the thread of the new one is almost f**k!!

callin that exhaust shop now, they can fix it. f**k them

 

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