Focus stutter

trumpet30

Wrench Pro
Points
36
Car
VW Polo 1.4TDI
My dad ha a 55 reg 1.6 petrol focus.

When accerating there is a definate blip/hiccup and then the car continues to accelerate. When driving on motorways there are no problems.Just when pulling in any gear the car has a hiccup as if its missed a cylinder.

There are no warning lights and the garages cant find anything wrong but there is a definate issue. Any ideas (Coil pack has been changed, ant find any air leaks etc).

Thanks
 

turbonutter69

TC ModFather
Moderator
Points
692
Location
Alone in the dark.
Car
Insignia SRI.
TBH mate I think it is just the cars characteristics.
I have a 2009 1.6 Focus Zetec and sometimes I get the same issue.
I'm unsure as to whether these engines use a knock sensor or not? (I've not done much digging to confirm this or not?)
If they do use a knock sensor then that might be worth a shot.
You've got to remember though that these cars are not exactly light so unfortunately the 1.6 engine does have to work quite hard.
When was it last serviced? Cam belt last changed etc?
 

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