here is 2ndary spark parade with #4 injector disconnected during wot snap , [1995 Volkswagen GTI, Ignition - Secondary Waveform] also lit codes 17648 for open #4 injector + 16684 po300 - 16688 po304 , this is a vw 4 cyl . so if there is a problem with 1 inject... Login to read more.

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