FixVault
Home
›
GMC
›
2011
›
Terrain SLE, 3.0 5, AWD
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls And Fuel - 3.0L - DTC P0010 Through DTC P0191
›
DTC P0178
›
DTC Descriptor
DTC Descriptor
DTC P0178
Fuel Composition Sensor Circuit Low Frequency