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Faulty CAT or Oxygen sensor?

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Old 26 December 2002, 08:31 PM
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dean harris
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I am after some advice please,I have a MY'94 WRX which is rather high on the emission's when within the rev range that they test a car's emission's on an M.O.T. I had an oxygen sensor fitted about 6 months ago and everything was fine,but recently when checked, the emissions fluctuated way over the top of what would be acceptable on an mot,but sometimes were under the limit(in the rev range required for testing).The oil was the correct temp for testing purposes(80 deg/c).
Thanks for any help given.
Dean
Old 29 December 2002, 09:34 PM
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dean harris
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Anyone please?
Cheers
Dean
Old 29 December 2002, 09:54 PM
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tweenierob
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Faulty Cat..
Rob
Old 29 December 2002, 10:05 PM
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RON
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Maybe thats why your car's so damn loud!!!!!!!!
See ya on the 6th!
Old 29 December 2002, 10:39 PM
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Big Goon
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Lambda sensor Deano prolly, worth a trip to Power Engineering or your local dealer if you can afford it

edit - cant spell



[Edited by Big Goon - 12/29/2002 10:41:44 PM]
Old 30 December 2002, 10:56 PM
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dean harris
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Sorry Ron,I can't hear you.Perhaps you would like my exhaust to drown out that droning noise your car is making!
Goon,I'm paying a trip back to my friendly mechanic when he is out of hospital.If i can't afford it,can i borrow your credit card?What's another grand or two!
See you on the 6th guy's,hope you had a good xmas.
Cheers
Dean
Old 08 January 2003, 09:01 PM
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dean harris
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Can anyone second a faulty Cat or knackered oxygen sensor?
Thanks
Dean
Old 09 January 2003, 08:44 AM
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swan
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No CEL? No idling/surging problems?
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