Hi,
If you lost spark to all coils, first, check the number 13 fuse in the under hood fuse box. In addition to checking the fuse, confirm there is power to and from it. Here is a link showing how that is done:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If the fuse is good, confirm the ignition coil relay is good. If there is a different relay in the box having the same part number, switch them. If there isn't, here is a link that shows how to test a relay:
https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit
If that checks good, confirm continuity to ground. Each of the coil packs will have a black wire. Check that wire on a few to confirm.
If there is continuity, make sure nothing was disconnected at the PCM.
Let me know what you find. If you have a live data scan tool, see if there is an RPM signal when cranking. Or, if the vehicle has a tachometer, see if it moves a bit when cranking.
Let me know what you find.
Take care,
Joe
Aug 28, 2021 at 10:32 PM