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P1174 Diagnostic Trouble Code Discussion for March 2015

Fuel Trim Cylinder Balance

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Trouble Ticket Help Requests for DTC P1174
Help Request Posted
2008 Pontiac Montana SV6 3.9L MIL Lamp on VIN: 1GMDV03W28
... P0116, P1174, P2070. They all seem to set at once. They are very intermittant. In the past we reset the alchohol content using the Tech2 for p1174 because it was showing an out of range content. This is no longer the case. ...
March 09, 2015