Fault code P0420: Catalyst System. Efficiency Below...
talkford.com
Fault code P0420: Catalyst System. Efficiency Below...
Hi,I have a 2014 1.0L EcoBoost 125PS car, owned since 2017.After 2 years ownership I got a P0420 fault code. I researched to the best of my (limited) ability and then rung my Ford dealer, who went straight for cat replacement. I'd read enough to know that was the most expensive option, so...
Dec 1, 2021
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