cylinder 1 misfire

Question

Replaced plug wire fuel injector ignition control module coil packs up stream O2 service engine light blinking

Answer 1

Hi there

With all you have done, I am going to suggest doing a compression test on that cylinder. If it's got good compression check for an intake manifold leak. If that's all ok, it would likely be some sort of wiring issue to the coil or ignition module.