The 1.0 EcoBoost was the first Ford engine with the feature and it eventually spread to the 1.5 EcoBoost and forthcoming 2.7-liter EcoBoost V-6. The more active cooling of the exhaust gases helps I knew that my original battery would have lost a bit of it's life when a fault with the TCU caused the battery to drain down to 3V when the car was about 9 months old. The battery wouldn't go over 12V when connected to the car where it used to be 12.4V in accessory mode, even after charging it. Here are some possible reasons why your 2015 Ford Focus 1.0L EcoBoost engine does not start after replacing the long block: The fuel injectors are not firing.This could be due to a problem with the fuel pump, the fuel filter, or the wiring to the fuel injectors. Makes me think it’s a problem with the battery. Quote; Link to comment Ford Model: Mk4 Focus ST 2.3 EcoBoost Ford Year: 2019 UK/Ireland Location: Dorset What are the most common problems with a used Ford Focus hatchback? Engine failures Cars built between 2012 and early 2013 with the 1.0-litre Ecoboost have been known to leak coolant, which can Marinero. Hi guys. Went to pickup my new mk4 1.0 125PS this morning. As soon as I started the engine, "low oil pressure" message appeared, as well as the check engine and oil pressure lights. They took it to diagnostics, waited for about an hour and they said that it was probably some minor computer issue. 2 days ago · The problem is found in the 1.0-liter three-cylinder engine used in model year 2016-2018 Focus hatchbacks and 2017-2022 EcoSport SUVs. These engines have developed a reputation for losing oil pressure as early as 50,000 miles, with mechanics disassembling them to find oil pickups clogged by crumbled oil pump drive belts . Hi everyone i have a 2012 ford focus 1.6 ecoboost which i have owned for 2 weeks now. The Car has been back to the dealers twice with a faulty start stop system it only works when it feels like it. The first visit to the dealers came up with no fault codes so we put it down to battery voltage / .

ford focus 1.0 ecoboost battery problems