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Old 18-09-2006, 05:01 PM   #31
OldManGhia
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Finally got the oxygen sensor replaced. Cost $79 off Ebay, anyway I'll let you know if there is any improvement or not especially with LPG.
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Old 18-09-2006, 06:48 PM   #32
SIKSIX
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yeah i changed mine recently got it from repco for $85, (ford quoted $368 for the part alone).

What i noticed is a bit better low down in 3rd 4th 5th, and all round a better smoother running.

And yeah i just went to repco and said i need a oxy sensor for an au 6 and they gave it to me with the plug.( i think thats how all the bosch ones come.
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Old 18-09-2006, 08:51 PM   #33
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I didn't know manual steppers were illegal now! The nightmare Pajero I just off-loaded had a faulty lpg computer, which was gonna cost around $500 to replace, so the mechanic just disconnected it, which he said just turned my automatic stepper motor into a manual one. ie: The LPG consuption would be constant, rather than go up and down when the engine demanded. He said it would have to be hooked up and working if I ever wanted to get a road worthy certificate, but otherwise, the car would be fine, apart from using a bit more gas.
The car gave me no end of trouble, and I ended up putting a second hand engine in it. We couldn't get it runnin g right, and it kept back firing. We replaced just about everything, except the O2 sensor. I sent the car back to where I got the engine from, to try and find the problem. They said it was the fact that the automatic stepper was buggered, and, this is where this long story becomes relevent, they fitted a manual one!!!! Now, this didn't fix the problem, so they put the old auto one back on, but the fact remains, a workshop actually fitted a NEW manual one, so they can't be illegal.
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Old 19-09-2006, 10:17 AM   #34
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Reading the above this sounds like a good idea, have a fairmont wagon at 128k's and bet the O2 sensor has not been replaced.
I noticed mention that the ECU should be reset?. Can someone please elaborate on this. Will this effect anything else and how easy is it to do?
thanks all.
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Old 19-09-2006, 10:53 AM   #35
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I wouldnt worry about resetting your ecu, your car will remap and learn the changes anyway. But if you want to do it, there is a link at the aufalcon.com website

www.aufalcon.com/tech/techECU.htm
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Old 09-10-2006, 09:30 PM   #36
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Its been a couple of weeks since I changed the O2 sensor. What I can say is that the car runs much better on petrol than it did before. But since the change on gas it takes a bit to get it started. Starts then stalls after a couple of seconds. Once its going it runs just fine. I'm going to reset he ECU and if its no better I think I will see a gas man & get it serviced. Gas mileage has only improved slightly.
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Old 09-10-2006, 11:08 PM   #37
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ford genuine parts for 02's are very expensive. buy a bosh if you can.. i got mine for $60 with a trade discount at coventrys. but dont buy the generic sensors as you have to cut your existing wires and solder on the new wires.. its a PITA.

and AU98C-Wagon, the gas computer needs to be reset and gas places can do up to AU S1's but ford have to do S2 onwards as ford wont sell them the programs to do S2... i know as i had to get mine reset before my dyno tune tomorrow.
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