Cross firing northstar 4.6L engine - 1997 Cadillac DeVille

what is your question ? what is your question ?

Using wire separators for about $5 from Advance Auto Parts seemed to alleviate the missing problem. Using wire separators for about $5 from Advance Auto Parts seemed to alleviate the missing problem.

Cylinder 3 seems to have a miss, but it was fixed by spacing out 1 and 3 cylinders, near cylinder one about one inch, and spacing out number 5 cylinder from 1 and 3 near cylinder 5. Cylinder 3 seems to have a miss, but it was fixed by spacing out 1 and 3 cylinders, near cylinder one about one inch, and spacing out number 5 cylinder from 1 and 3 near cylinder 5.

The online manual for auto repair had instructions to do the above to preent misfires. The online manual for auto repair had instructions to do the above to preent misfires.

prevent misfires, (not preent). prevent misfires, (not preent).

Apparently the high voltage flowing through the spark plug wires can inductively cause adjacent wires to fire off prematurely. Apparently the high voltage flowing through the spark plug wires can inductively cause adjacent wires to fire off prematurely.

So, I tried to put spacers to keep cylinder 1 and 3 separate at the number 3 cylinder. And, I put a wire separator at the number 5 cylinder to separate it from wires 1 and 3. This seemed to solve the misfire problem. No more misfires on the history of cylinder #3 and #5 and #7 which showed up on the scanner, previously, after missing a bit. So, I tried to put spacers to keep cylinder 1 and 3 separate at the number 3 cylinder. And, I put a wire separator at the number 5 cylinder to separate it from wires 1 and 3. This seemed to solve the misfire problem. No more misfires on the history of cylinder #3 and #5 and #7 which showed up on the scanner, previously, after missing a bit.