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[Pippin]

Hi All, my eml light came on this morning on the way home from work, but didn't have a look till tonight as sleep was needed. Well its showing the usual P0304 cylinder 4 misfire detected and a new one the P0140.....any ideas what the P0140 is and what may cause it?

Any help or advise would be gratefully appreciated...

Phill

[PhilRich]

P0140 Oxygen sensor (O2S) 2, bank 1 - no activity detected

I believe this code is listed as one for the 2.0ltr Omega engine and relates to the sensor after the cat, and would point to either a wiring fault or fubared sensor but don't quote me on it! 

[Pippin]

Would that be the same for the 2.2 then?

[PhilRich]

Would that be the same for the 2.2 then?

Here are the fault codes for the 2.2 (Z22XE Engine)


http://www.omegaowners.com/forum/YaBB.pl?num=1197277611

[Pippin]

Would that be the same for the 2.2 then?

Here are the fault codes for the 2.2 (Z22XE Engine)


http://www.omegaowners.com/forum/YaBB.pl?num=1197277611

Thanks, probably a silly question, but what might cause that to show up? a faulty sensor or something else...

[PhilRich]

Would that be the same for the 2.2 then?

Here are the fault codes for the 2.2 (Z22XE Engine)


http://www.omegaowners.com/forum/YaBB.pl?num=1197277611

Thanks, probably a silly question, but what might cause that to show up? a faulty sensor or something else...

As said ^^ 
Quote: "and would point to either a wiring fault or fubared sensor"

[Pippin]

Is there an easy way to test the sensor or is it a case of change it to try?

[Stallion]

you can check the wires visually any damaged or loose, if nothing then would have to buy an try...

[Pippin]

you can check the wires visually any damaged or loose, if nothing then would have to buy an try...

Sound, i'll have a look at it when i've finished this set of nights...