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P1093 Diagnostic Trouble Code Discussion for February 2011

Fuel Rail Pressure Low During Power Enrichment


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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2002 Chevrolet Silverado 2500 HD LT 6.6L Excessive Emissions, MIL Lamp on VIN: 1GCHK23182
P1093: Fuel Rail Pressure Low During Power Enrichment. We have a duramax with excessive smoke at an idle. The paramaters are all over the place. CMD(MS) CYL1 .23 2 .21 3 .53 4 .26 5 .32 6 .24 7 .38 8 .35 BAL RATE 1 -3.7 2 -2.7 3 +5.8 4 -2.1 5 +.9 6 -2.9 7 +1.6 8 +1.9 FUEL RATE 5mm MPA 36 DESIRED 36 FRP C...
February 01, 2011