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Went out this morning and started my truck to go to work and immediately I had a check engine light on. I have a cts2 monitor and the two codes were high fuel rail pressure and fuel pressure regulator-high fuel pressure. I would like to know if you guys have ever had this issue on your lb7. At idle my fuel rail pressure was 24.5kpsi, normally its 5-6kpsi. I used the truck on Sunday with no problems at all. Is this problem going to be the fuel pressure regulator and has anyone ever had this issue. Thanks for any help and advise you care to share. John
 

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Went out this morning and started my truck to go to work and immediately I had a check engine light on. I have a cts2 monitor and the two codes were high fuel rail pressure and fuel pressure regulator-high fuel pressure. I would like to know if you guys have ever had this issue on your lb7. At idle my fuel rail pressure was 24.5kpsi, normally its 5-6kpsi. I used the truck on Sunday with no problems at all. Is this problem going to be the fuel pressure regulator and has anyone ever had this issue. Thanks for any help and advise you care to share. John
Did you ever solve this issue
 
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