Sorry i didn't film the removing of the turbo it was a case of had to get it done afterwork lol 72mgm98. 16 posts · Joined 2010. #6 · Sep 18, 2010. I am not sure which yr car you have, but removing the cats will increase sound and h.p., maybe. If it is has a carb on it, it will work. If your fuel injected, you have a pesky computer and oxygen sensors. They have what is called "upstream" and "downstream" oxygen sensors. Ford Fiesta – (Jne Valokuvaus / Shutterstock) The most common signs of bad O2 sensor in Ford Fiesta are slow acceleration, loss of power, irregular idling, engine hesitation or jerking when accelerating, high fuel consumption, higher tailpipe emissions, foul odor from exhaust, check engine light illuminates, and sometimes stalling. On 5/3/2020 at 12:56 PM, Sctieco said: Hi I have this code p0420 on my ford focus 1.0 ecoboost on a 2012 is it an O2 lambda sensor or could it be the cat is end of it"s life nothing wrong with the car running great just the EML came on cheers. It’s most likely the O2 sensor, I’d be very surprised if it was your catalytic converter. On a MK3/MK3.5 1.0 ECOboost a defective catalytic converter is quite common. Especially when low quality or low octane fuel is used. There is a huge chance that the problem will come back sooner or later. Hey guys! Today I’m going to show you how FORD ECOSPORT 1.0 ECOBOOST ENGING OVER HEATING PROBLEM. Watch more to learn about FORD ECOSPORT 1.0 ECOBOOST ENGING The total price comes to $19,585, including the destination charge. The Cruze Eco’s most efficient version is manual and costs $18,895, but the automatic version costs $20,345 and sacrifices Compare the costs of replacing an oxygen sensor with swapping out the catalytic converter. For a typical catalytic converter replacement, you are looking at an average of $1,000 to $2,500 to have it worked on by a professional. However, most of this cost isn’t related to the labor costs but how expensive the part is. Catalytic Converter FORD FOCUS III 1.0 EcoBoost 2012 - 2017 Fast and Free shipping available Car parts for all car makes and models The Biggest Brands At The Best Prices ✚ More than 500.000 car parts available Ford Model: Focus Ford Year: 2002 AC fan not working on 2018 Ecoboost. Ford Focus Mk2 Common Problems Thread. Q1EkwJz.