Strange Current waveform?

 Hi, Can anyone tell me what this strange fuel injector current waveform means?  I tested all 8 injectors on a 1996 Mercury Grand Marquis and 6 of them looked normal, but injector #'s 5 and 6 looked like this.

Thanks

My guess is ignition noise.

Thanks.    That could be, these are the two fuel injectors that are closest to the ignition coil on that bank.   I was able to get a normal current reading on the two fuel injectors closest to be ignition coil on the other bank.   The car has an intermittent misfire that I am trying to track down.