[93s13wa]

Originally Posted by cotbu

Take out number 3 spark plug swap it with 1, 2 or 4, do another power balance test. Or check for spark any other way.

This is what you're probably looking at, injector, spark plug, plug wires. So test those things.
By swapping the known working with the non working. When the problem changes cylinders you've found the problem.
Worst case remove rail, and visually see if the injector is firing.
You could have no compression in that cylinder, but I wish that on no one, check the other stuff first.

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thanks ill try that today!!