Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: cmacleod540 on 03 November 2009, 11:07:46

Title: fault code po 420
Post by: cmacleod540 on 03 November 2009, 11:07:46
hi there i got a auto mechanic out to read the fault code on my 2.2 auto wich read po 420 he said it has somthing to do with the cat sensor 2 and cleared the code any probs give him a call

ihave looked at the fault codes on here for the 2.2 cant see any of the above??????  iant a car mechanic
any advice

regards
craig
Title: Re: fault code po 420
Post by: Kevin Wood on 03 November 2009, 11:10:09
P0420 is "Catalytic converter efficiency below threshold"

Even if this code is appearing (it's common on 3.2 V6s) you'll probably find that the emissions are fine at MOT time. Keep an eye on it and see if it comes back.

Kevin
Title: Re: fault code po 420
Post by: cmacleod540 on 03 November 2009, 11:14:46
thanks :) :y
Title: Re: fault code po 420
Post by: Proz on 03 November 2009, 12:33:33
The only way i got rid of mine was to change to a new cat  :-/
Title: Re: fault code po 420
Post by: batista on 03 November 2009, 15:53:14
I have this come up on mine when ive been putting me foot down.,and the eml stays on...to get rid of it i plug the code reader in and clear the code,it works every time :y
Title: Re: fault code po 420
Post by: feeutfo on 03 November 2009, 23:15:30
there is a guide in maintenance iirc, re a fix for this, and involves moving the second lambda behind the main act. It means removal and some welding but cheaper than a new or other cat. Guide is for a v6 but i belive the pre cat main cat layout is the same, so still applies, please correct me if not. :-)

Worth a look if the code comes back, as it usually does. Hth
Title: Re: fault code po 420
Post by: Proz on 04 November 2009, 09:01:58
I tried the " fix " but it didnt work for me  :-/ .... Vx must have put a real cheap rubbish cat on mine .... only cure i found was to replace with better quality cat  :y
Title: Re: fault code po 420
Post by: cmacleod540 on 07 November 2009, 16:17:38
how much for the cat


ta