P0300 code

Question

I am getting a P0300 code on my 2002 silverado 1500 with a 5.3L vortec. I changed the spark plugs and spark plug wires but the code is still there. Any solutions?

Answer 1

Hi there,

Here is a list of possible causes for a cylinder misfire. 

P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders

Read more: https://www.autocodes.com/p0300_chevrolet.html