This is a 2003 XJ in Australia, 3.5L V8 although on many sites it is referred to as 3.6L.
This model has a very confusing designation since I have seen it described as XJ, X350, and XJ350.
It has flagged an engine malfunction and my scanner indicates fuelling problem on bank 1.
It still drives , although yesterday it went into a limp mode for a short while.
My guess is it still has original sensors and has now clocked up 147,000km.
VIN ends G00689.
About time to replace them, so:
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I will at least replace the 2 pre cat ( upstream ? )
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Is it worth it and/or needed to replace the 2 post cat ones ?
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One local non Jaguar source quotes A$320 and A$200 each for them ( US$220 & US$140 )
First one is part O2SEN-1186, does not state manufacturer.
A second local source has sensors around US$70 but does not show one for my VIN, although I could contact direct and see if they do have suitable ones. -
Do they sound like sensible prices, they seem steep to me.
On Ebay similar DENSO pre cat start from around US$70 out of UK
From China they start at US$25, brand unknown.
I expect there are very few variations in sensors and I would be surprised if auto companies pay more than US$20 each for them. The big variation might be cable length
I think this should fix the malfunction, but even if it does not I reckon it is a good strategy at 15 YO and 147,000km.
Any suggestions welcome.