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P1093 Diagnostic Trouble Code Discussion for October 2008

Fuel Rail Pressure Low During Power Enrichment

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Trouble Ticket Help Requests for DTC P1093
Help Request Posted
2003 Chevrolet Cab & Chassis Silverado 3500 6.6L Excessive Emissions, Black smoke
P1093: Fuel Rail Pressure During power enrichment. ... that belongs to our local tow company. It has the 6.6 diesel. There in no active service engine light but it does a p1093 code in memory and a p1643. I cant find a defenition for the p1643, and I am un familiar with the p1093. The main problem is the truck...
October 07, 2008