P0300 Chevrolet - 1999 suburban

Question

how do u narrow down to the actual problem/ have ton of $ in replacing parts & not fixed yet

Answer 1

HI there

There are a lot of different causes of this code. Most of the time the issue is related to the ignition coil. Sometimes when they get hot they can cause the issue. there are also some TSBs for some models. Here is some more info on the codes for you.

P0300 CHEVROLET - Cylinder Misfire Detected Random Cylinders

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