Rover 45 Spark Plugs Problems

My car has a sudden loss of power when being driven, when i put my foot on the gas the revs just drop off, the car feels and sounds lumpy. If i cut the engine then start back up everything is fine again. This can be a danger on certain ro...

hi when i put petrol in the rover when i start her up theres a petrol smell coming from the front and she judders also if i accelerate fast she judders ive changed the fuel filter and the spark plugs im at a loss what to try next please hel...