Focus 1.0 turbo petrol. When the car is restarted the warning light clears and the car is back to normal for a short while. I left it with a local Ford specialist for a few days, they had there scanner connected while driving and no codes show as the fault occurs so are struggling to suggest what the fault will be.
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. 1.
Worst 2018 Ford Focus Problems #1: Power Steering Failed 2018 Focus Average Cost to Fix: $2,700 Average Mileage: 19,000 mi. Learn More #2: Engine Bogs Down, Check Engine & Oil Light Turns On 2018
The three pipes are Vent, Turbo Actuator, Vacuum pump. (Your loose pipe is the vent, as you say.) The Actuator can be connected to either Vent or Pump, depending whether the valve is energised or not. I think vacuum puts the turbo into low / no boost condition, and then allowing air in via the vent puts it into boost condition.
Despite the fact that Ford considers the bottom end of the 1.0 ECOboost to be unserviceable (the same applies to most other Ford engines so this is not strange at all) there is still quite some information available from 3rd party sources.
. 407 480 441 282 270 260 82 256
ford focus 1.0 ecoboost turbo problems
