Random misfire detected and code P0300 can a leaking exhaust manifold cause this alarm?

Question

On my 2005 GMC Sierra 2500 random misfire was detected and code P0300 can a leaking exhaust manifold cause this alarm?

Answer 1

Yes, an exhaust leak could cause a random misfire, if you know where the leak is take it to a muffler shop and have them weld it or place a gasket whichever the problem is

Answer 2

P0300 GMC Code - Cylinder Misfire Detected Random Cylinders

Read more: https://www.autocodes.com/p0300_gmc.html