People also ask
What is the most common cause of a code P0300?
What is code P0300 for GMC?
What sensor can cause P0300?
Jun 25, 2016 · Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to ...
Oct 15, 2020 · If the misfire counts move, the wire is bad. If the plug wire turns out to be OK, then swap #1 spark plug with #3 and watch the misfire count.
Jan 18, 2023 · I've had quite a few P0300s come out as defective Knock Sensors. The last was the pair under the plenum on a 6.0 GMC truck. I got asked to make ...
Jun 29, 2022 · Removed cylinder to ignition coil and rioted to cylinder for with no change. Move cylinder 2 spark plug to Cylinder 6 and no change was seen.