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P1093 Diagnostic Trouble Code Discussion for August 2012

Fuel Rail Pressure Low During Power Enrichment

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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2005 Chevrolet Silverado 3500 6.6L MIL Lamp on, Hard Start at Times VIN: 1GBJK39215
P1093: Fuel Rail Pressure Low During Power Enrichment. ... 6.6L LLY. It will run perfectly fine and have plenty of power... except for every once in a whial it will set a code P1093 and will go into a "limp" mode not allowing fuel pressure over 11,000 PSI. At that point the RPMS won't go over 2,000 PSI (on...
August 15, 2012