What is life like with your car? Let us know and win £500 in John Lewis vouchers | No thanks
Corsa engine emissions light
My engine emissions light has just come on on my Corsa 1.4 SRI and the car has shut off when slowing down three times since the light came on.
Other than that there have been no other problems that I can tell. I put a code reader on it which told me it was a P0420 problem although I've been told it could be another problem not associated to that code. I've been told it could be the lambda, catalytic converter or crankshaft sensors among others. I can't afford to trial and error repairs so any info would be much appreciated.
Other than that there have been no other problems that I can tell. I put a code reader on it which told me it was a P0420 problem although I've been told it could be another problem not associated to that code. I've been told it could be the lambda, catalytic converter or crankshaft sensors among others. I can't afford to trial and error repairs so any info would be much appreciated.
Asked on 1 November 2011 by bertboi
Answered by
Alan Ross
Well fault code P0420 is indicating that either
1. The Cat converter is u/s or
2. The HO2S 2 (heated oxygen ) sensor is faulty or wiring fault.
Therefore would suggest that you get the sensor and wiring checked first, if ok then the code would indicate the cat is u/s
1. The Cat converter is u/s or
2. The HO2S 2 (heated oxygen ) sensor is faulty or wiring fault.
Therefore would suggest that you get the sensor and wiring checked first, if ok then the code would indicate the cat is u/s
Looking for a garage you can trust? Honest John's Good Garage Guide has thousands of reader recommended garages, plus how-to guides and tips on servicing.
The Good Garage GuideSimilar questions
I own a 2003 Vauxhall Corsa and there are two rubber breather hoses attached to the engine; the smaller of which snapped off at the point where it connects to the engine. A mechanic told me that this didn't...
My Citroen C3 Picasso has completed 47,000 miles without anything major going wrong. But now I have a dashboard warning light saying "SERVICE" and a message which says "Engine Fault, Repair Needed".
Just...
The engine warning light on my 2002 Toyota Rav4 came on a while back. I had this diagnosed and it's due to the catalytic converter. The garage is saying that MoT checks do not include engine lights in...
![2021 Peugeot 308 1.2 PureTech 130 Allure 5dr [Digital i-Cockpit]](http://images.honestjohn.co.uk/imagecache/url/crop/90x60/https/cdn.uk.prod.group-mobility-trader.com/images/cas/cae65a7596685c01603eacd48a7019e8/cdf67e19a42860dbd6e78396c1354304.jpg)
.jpg)
