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P1093 Diagnostic Trouble Code Discussion for May 2011

Fuel Rail Pressure Low During Power Enrichment

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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2003 Chevrolet Silverado 3500 LT 6.6L No power VIN: 1GCHK23143
P1093: Fuel Rail Pressure Low During Power Enrichment. Hey guys, i have this 03 durmax that has no power going up hills. It seems to run ok on flat grounds as long as you don't go full throttle. Actual fuel pressure will start to drop to ~3000 psi while desired stays over 20000 psi. I've read about collapsing fuel...
May 19, 2011