BigBlockMopar28 said

Would be kind of odd to have one spontaniously go out after changing a pump but i guess it never hurts lol. I have a spare coil just incase too

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1. gas/air ratio
2. spark
3. timing (valve and ignition)
4. compression. with these 4 things, it's gonna run. Good news is, you can be off a little on all of them and it will still run. Process of elimination, and pretty easy to check. Ok, I guess I'll throw in a 5th, it needs to be able to exhale, exhaust cannot be fully plugged :D