Hi: :( I have a 2000 Fiat Brava 1.2 which has a really violent misfire when accelerating and the revs are around 2,500. Hot or cold engine doesn't matter. Its like the ignition has been cut to all 4 cylinders at the same time. If I keep just enough pedal to accelerate slowly then its not too bad, still misfiring but not so violent, give it more throttle than it needs, then its like the car is shaking itself to bits!!. Coil pack was replaced about 5 months (3,000 miles) ago for cutting out on no. 3 cylinder so it shouldn't be that ? Engine was behaving fine until this morning. Yesterday I filled the tank up (yes the correct petrol), topped up the engine oil and replaced the battery as the old one was starting to have a job turning the engine over.
Any ideas ?? Thanks
Ian.