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[steve6367]

I've read lots about this on the V6 engines and the solution of moving the Lambda sensor.

Does this apply to the 2.2? Or is my CAT stuffed?

It had HG failure about 9 months ago, so could be a delayed reaction to that?

Steve

[chrisgixer]

What's the code? If 0420 (which I think is bank 1, as yours obviously won't have the bank 2 code) is present, then yes moving the sensor location will fix it.

Correction, code as title

[Blueron]

I used to get this code every other week on my 2.2. and the emissions light would come on.Bought new cat,changed sensors but to no avail..I now only run the car on 97 or 99 premium fuel and the problem has gone away. Costs abit more but at least I'm not resetting the light every 2 weeks. Hope you sort it.

[TheBoy]

Pattern cats are universally shite, without exception.

*IF* you have to change cat, get known good from a member breaking their car

[chrisgixer]

I used to get this code every other week on my 2.2. and the emissions light would come on.Bought new cat,changed sensors but to no avail..I now only run the car on 97 or 99 premium fuel and the problem has gone away. Costs abit more but at least I'm not resetting the light every 2 weeks. Hope you sort it.

Refit the old cat, or a genuine used one, and move the sensor. Use what fuel you like then

[flyer 0712]

which sensor would need moving and where would it be re-positioned to please as a matter of interest 

[chrisgixer]

http://www.omegaowners.com/forum/index.php?topic=90613.0

[chrisgixer]

And

http://www.omegaowners.com/forum/index.php?topic=90475.0

[chrisgixer]

Can't for the life of me find the pic Albatross posted years ago.


Shows the idea perfectly.

[flyer 0712]

Well we learn new things every day...now I see how its done...cheers 

[chrisgixer]

Master did a whole batch up at Sereks. Including mine.

I think Serek can do them now as well

[TheBoy]

What's the code? If 0420 (which I think is bank 1, as yours obviously won't have the bank 2 code) is present, then yes moving the sensor location will fix it.

Correction, code as title

2.2 doesn't have a starting cat, does it? 

Thus no option to move lamda beyond main cat as already there...

[TheBoy]

Yup, courtesy of Mr Tunnie, can clearly show 2nd sensor already behind main cat:

[TheBoy]

Front sensor underneath, out of view, just where pipes go 2 to one at manifold end.

MDTM's grounding strap connected in middle

Rear sensor visible beyond main cat, near the far end.

[steve6367]

I used to get this code every other week on my 2.2. and the emissions light would come on.Bought new cat,changed sensors but to no avail..I now only run the car on 97 or 99 premium fuel and the problem has gone away. Costs abit more but at least I'm not resetting the light every 2 weeks. Hope you sort it.

Refit the old cat, or a genuine used one, and move the sensor. Use what fuel you like then

I have not changed the CAT original VX one of 130K still on the car, but I do have the error.