If you lost an entire bank, inspect the wire harness very carefully for any breaks or any creatures that ate throught the wires.
Were the old coils wet from the intake? If they were, the intake would have to be replaced.
If both are fine, the return to the pcm has to be checked for opens or bad pcm but that is the very last thing to check.
Saturday, May 4th, 2013 AT 4:55 PM