My 03 altima se 3.5 has no spark going to cyl. 2, 4, and 6. Cyl.1, 3, and 5 are working just fine, i thought maybe it was the coil pks so i switched them. Same results, it has new plugs, ecu, and coil pks. Need help, please
The back bank is on a separate subharness with a connector at the back of the engine, but that's 1-3-5 and not 2-4-6. You might check grounds to the inoperative coils, usually those are common to a whole bank.
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