× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1093 Diagnostic Trouble Code Discussion for August 2005

Fuel Rail Pressure Low During Power Enrichment

Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2002 Chevrolet Silverado 2500 HD 6.6L no power VIN: 1GCHK23162
P1093: Fuel Rail Pressure Low During Power Enrichment. Starts and idles fine. No hesitation but it feels like you are running out of fuel under acceleration. Hooked up Snap on scanner it reads 3,059MPa with key on engine off, my Motor manual says it should be 1.1 to 1.4MPa. If I disconnect the fuel rail pressure s...
August 16, 2005