Misfire p0305

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MattyClutch

Newbie
Joined
Aug 31, 2023
Messages
3
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Location
Ontario
Hi everyone!

Having issues with the p0305 misfire code. Replaced plugs (looked fine to me) wires, rotor, cap and still am running into the issue. Seems like it was there for a while if I'm not mistaken because when I bought the truck, I needed to replace the cat, which I'm assuming is related to the misfire.

Now my question is, do I replace the injectors next and hope that solves the issue?

What kind of tests should I run before I attempt to replace the injectors? I have also been told from a buddy he had a k1500 same year, it had a stuck open valve that caused the misfire.. hopings it's not as deep as this.

Any help would be appreciated!
 
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