Intake gaskets are a common cause of multicylinder misfiring If no leak is found, the next step is to replace the spark plugs If the problem persists, more tests need to be done to diagnose the problem, see "Possible Causes" Chevy Silverado 1500 53 10 spd bone stock has 3800 miles on it first time bringing it in they pulled the codes and said that you have a p0300 random misfire 28 counts on cylinder 8 Cleared codes and moved on Drive the truck 0 miles and light comes on again (flashing) pull codes and have p0300 again cylinder 8 1 counts P0300 CHEVROLET code tech notes The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring Start by checking for intake leaks;
Chevrolet Blazer 4 3 Misfire Under Light Load 00 2500 Rpm
