P0300 trouble code

Good morning,

I would start by performing a compression test to make sure there is no internal damage to the motor.

https://www.2carpros.com/articles/how-to-test-engine-compression

How old are the tune-up parts?

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

I would also check the fuel pressure as well to be sure the proper amount of fuel is being sent to the engine.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Roy

I replaced the ignition control module and that fixed the P0300 trouble code and misfire. thank you.

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