Hi, i swapped my engine with one that was freshly rebuiled, We connected everything and put it back togheter, but it didnt start, so i checked everything and i noticed i got spark on 3 and 4 but 1 and 2 had random sparks... I checked grounds and i just ordered connectors... Is there any other reasons for this??? P0354 is the code that poped up. On a 2007 scion tc manual.
I checked coils and ther good.
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