P0300 Chevrolet -P0300B ???????

Question

getting P0300B code misfiring blowing raw gas out exhaust pipe use quarter tank in 15 miles

Answer 1

Hi there,

This code indicates a misfire 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