Gherd78 Posted June 29, 2017 Report Share Posted June 29, 2017 My check engine light has been on since April 2016 and guy at the garage says the CAT is failing and will need replaced at the next MOT Feb 2018. But recently my car is playing up, couple of days ago when start car in morning the light flashed and the car is slightly shaking and find hard to pick up speed when changing gear plus my ECP light came on for sometime and when stop car and started again did not come on. Guy at garage looked at it and says it down to slip clutch and need replaced in the future but I feel the engine still slightly judders in netural. Can anyone help Quote Link to comment Share on other sites More sharing options...
Rich Posted June 29, 2017 Report Share Posted June 29, 2017 change garage guy. service car. (plugs/coils) consider a lambda and see how it is. Quote Link to comment Share on other sites More sharing options...
Skezza Posted July 4, 2017 Report Share Posted July 4, 2017 Everytime I've been told my 'cat' is failed, I've been able to fix it by changing the the spark plugs, sometimes changing HT leads, coil etc, then putting in some fresh petrol and taking it for an absolute thrashing. Worked as recently as Feb on my partners car which had failed both ET tests involving the cat (usually a surefire sign it's gone). Quote Link to comment Share on other sites More sharing options...
The Penguin Posted July 4, 2017 Report Share Posted July 4, 2017 I've used "cat cleaner" petrol additives with success at MOT time Quote Link to comment Share on other sites More sharing options...
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