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P1093 Diagnostic Trouble Code Discussion for November 2010

Fuel Rail Pressure Low During Power Enrichment

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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2005 GMC Sierra 2500 HD 6.6L Hesitation, Cuts out, Stall VIN: 1GTHK29285
P1093: Fuel Rail Pressure Low During Power Enrichment. ... or 2 miles runs ok. Drive down highway fine, suddenly goes into "D" rate or limp mode, will not go over 2,000 (RPM) until pulling over and clearing code P1093, then runs ok again for a while then again.. Actual and desired fuel pressure on highway ...
November 30, 2010