Severe failure

Suzuki Aerio 2002  63000 miles
My car has got a severe failure, as if it were a spark plugs failure. The coil number 3 is not working but, when changing it to the coil number 1, this last one works and the number 3 does not. When replacing the spark plugs they work properly, but they occasionally fail, specially number 1 and 4, but when they are changed to another position, they do work there. What might be happening? All the injectors are alright.
humey95 from United States 9 years ago  
HU
2 reports 
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