jumpy engine an jerky

[imye30]

as above in 1st 2nd an 3rd gears an also when u rev the engine up to 2 seams jerky an that's wen parked up i have changed the brown an blue sensors an still not smooth running

[goosiegander]

Sounds more like the gearbox to prop shaft rubber coupling,

Get it on a ramp and see how close it is to giving up

[imye30]

but wen the engine is reved it feels jerky even wen parked up

[Brianmoooore]

The usual - worn injectors, assorted inlet side air leaks and TPS adjustment.