The problem seems to occur only in higher gears under more load. Mechanic's Assistant: I understand that you're experiencing a flashing check engine light and a P0300 code while towing or going uphill …

2004 Silverado 1500 5.3 Rough Running and P0300 Code Fix Silverado 1500 often faces random misfires and poor fuel economy related to ignition and fuel systems. A P0300 code indicates …

I have a 2001 chevy silverado throwing code P0300. I replaced the spark plugs, and spark wires, and egr valve. Replacing

We are working on a 2008 Chevy Silverado 5.3. I am getting a p0300 random misfire code and also a c0561-71, which I

Customer: My 2003 Chevy Silverado 1500 4.8L V8 has a P0300 code with no other codes. Flashing check engine light that comes on occasionally. Replaced Ignition coils, spark plugs, spark plug wires, …

I have Chevy Silverado with a 4.8 engine code p0300 random engine misfire any idea Mechanic's Assistant chat Customer: I have a Chevy Silverado with a 4.8 engine, and I'm experiencing a P0300 …

My 06 Chevy Silverado has code P0300 and misfires on #7 cylinder constant. It had a random misfire code before, but you

2000 Silverado 5.3L. Originally got code P0300 and P155, no symptoms. Changed both upstream O2 sensors and reset, P0300

2002 chevy silverado 5.3 1500 i scan code P0300 what is it? 2005 Silverado 1500 5.3L - P0131, P0138, P0171, P0300, P1133 = intermittent P0300 miss on 1,3,5,7 bank only. Thoughts?

2011 Chevy Silverado Rough Running with P0300 and P0306 Codes Silverado often faces misfire codes and rough idling due to ignition or fuel delivery issues. P0300 and P0306 indicate random and …