M MEALS New member Joined Jun 18, 2012 Messages 3 Reaction score 0 Points 0 Sep 4, 2012 #1 Hi, 2003 sierra 5.3l, 160,000 miles. Now and then it is hard starting like it is getting no fuel. There are no codes. Fuel pump or pressure regulator?
Hi, 2003 sierra 5.3l, 160,000 miles. Now and then it is hard starting like it is getting no fuel. There are no codes. Fuel pump or pressure regulator?
