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P1093 Diagnostic Trouble Code Discussion for July 2006

Fuel Rail Pressure Low During Power Enrichment


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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2003 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23143
P1093: Fuel Rail Pressure Low During Power Enrichment. Hi GM Techs i been working on this sierra with a problem restarting after a hot soak, it runs fine lots of power. I have a tech 2 and i am able to command max pressure i believe was 160 mpa, idle is 34 mpa fuel reg. flow is 2600mm3 at idle. When it doesn't sta...
July 12, 2006
2003 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23143
P1093: Fuel Rail Pressure Low During Power Enrichment. Hi GM Techs i been working on this sierra with a problem restarting after a hot soak, it runs fine lots of power. I have a tech 2 and i am able to command max pressure i believe was 160 mpa, idle is 34 mpa fuel reg. flow is 2600mm3 at idle. When it doesn't sta...
July 12, 2006