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I have a 2001 GMC LB7 with a p1093 code that doesn’t have an engine light, just comes up on my code reader. I am only getting about 11 kpsi of fuel rail pressure. But other than that the truck runs great and smooth. All the balance rates on the injectors are perfect. The cp3 and injectors were replaced 30,000 miles ago. 205,000 miles on the truck right now.
