I recently bought a new focus MK4 ST Line X 1.0 Ecoboost second hand from motorpoint - It's a 19 plate from motorpoint that was from motability. The car only has around 1400 miles on it currently.

I previously owned a MK3.5 and have noticed that with this car the engine seems significantly more thrashy and noisy, mainly in 1st gear. For example moving along in slow traffic, the noise from the engine when accelerating slowly was horrible, to the extent that I was leaving massive gaps to try and keep the noise to as much of a minimum as possible.

I am slightly concerned there may be an issue with the engine but don't know if it's just a characteristic of this new model. I've noticed no other issues, the engine pulls well in 2nd and 3rd gears and is eager to go. The only other slight issue i noticed was starting the engine yesterday, after idling for around 30 seconds straight after start the engine started reving up and down, only between around 1100 and 1200rpm though.

Anyone got any input on this?

 

The 1.0 has a growl but shouldn't be noisy, we have it in a Fiesta  That said, I have the 1.5 in stlinex and they have tuned the exhaust to be a bit boomy.

43 minutes ago, Guy Heaton said:

The 1.0 has a growl but shouldn't be noisy, we have it in a Fiesta  That said, I have the 1.5 in stlinex and they have tuned the exhaust to be a bit boomy.

My old focus didn't really sound anything like what the new one does when moving, again it mostly just seems noticable in 1st gear. I've not really noticed any other signs that theres an engine issue however which makes me think it's relatively normal for the model. The exhaust being the cause has crossed my mind as well.