Fuel Fail 23

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Richard Short - 18 Apr 2004 17:38 GMT

Hello

I have a 1990 XJ40 whose Engine light just came on, with Fuel Fail 23
as the troubleshooting code.

Does anyone know exactly what this means?

Regards

Richard

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Jon_H - 18 Apr 2004 22:14 GMT

> Hello
>
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> Richard

richard you could have a look here.

http://www.jag-lovers.org/modern/xj40book/book_codes.html

which shows

23 Fuel supply: Engine running too rich

cheers
Jon_H

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Richard Short - 18 Apr 2004 22:15 GMT

Hon

Thank you for getting back to me.

The manual says it's too rich, all right.

But, since the air filter is less than one week old, I just don't know
what to do about.

Any suggestions how to identify what the problem truly is --and how to
fix it?

Thanks

Regards

Richard

>> Hello
>>
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>cheers
>Jon_H

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DieInterim - 19 Apr 2004 00:36 GMT

> Hello
>
[quoted text clipped - 6 lines]
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> Richard

Hi,

Rich running, sure, but if I was you the very first thing to check is
fuel pressure, then plugs, then lambda sensor.

Good luck,

Blake

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Helsinki - 26 Apr 2004 14:41 GMT

And it is a very good idea to check the lambda sensor first.

Br, H.E.E.

> > Hello
> >
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> Blake

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