P0300 Chevrolet 2000 express 1500 passenger van,

Question

check engine light remain on after during and checking ever thing that protein to code PO0300

Answer 1

Hi there,

This code points towards cylinder misfires on random cylinders. Here is a list of possible causes. 

P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders

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