MG ZR miss fire

Car: MG ZR
Variant: 1.4
Model Year: 2002
Categories: Running Rough, Starting & Power Loss
While I put my foot on the accelerator the car will rev but it seems as if its miss firing. While the car is just idling it doesn't seem to have this problem. Also while driving the car will jump.

Could this have anything at all to do with any fuel related problems? As I have changed the coil pack... new plugs, air filter ect.

Any help on this would be much appreciated as its driving me mad

Thanks
Posted: Mar 20, 2013 (11 years ago)
Check cyl compressions .
Posted Mar 20, 2013 (11 years ago)
Ok thank you.

If they are not correct am I looking at a large fix bill?
Posted Mar 21, 2013 (11 years ago)
If compressions down , could be head gasket or valves .Quite a big job .
Posted Mar 21, 2013 (11 years ago)

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