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P1222 Diagnostic Trouble Code Discussion for January 2015

Injector Control Circuit Malfunction (Intermittent)


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Trouble Ticket Help Requests for DTC P1222
Help Request Posted
2005 Dodge Ram 3500 SLT 5.9L MIL Lamp on, Derate VIN: 3D7LS38C05
P1222: Excessive fuel return. ... bought truck used from a dealer, The dealer had reflashed ECM and put in one new injector. After some problems he had an independent shop pu on new injectors and tubes. While driving, occasionally the MIL and the wait to start light comes on and the truck ...
January 22, 2015