Description Possible causes – Faulty HO2S11 Sensor– Exhaust leak near HO2S11 Sensor– HO2S11 Sensor harness is open or shorted– HO2S11 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD…
Category: GMC
GMC P1100 HO2S12 Sensor Circuit Voltage Too Low Air Leak
Description Possible causes – Faulty HO2S12 Sensor– Exhaust leak near HO2S12 Sensor– HO2S12 Sensor harness is open or shorted– HO2S12 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD…
GMC P1098 O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 2 Sensor 2
Description Possible causes – Faulty O2 Sensor Bank 2 Sensor 2– O2 Sensor Bank 2 Sensor 2 harness is open or shorted– O2 Sensor Bank 2 Sensor 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013…
GMC P1096 O2 Sensor Circuit Slow Switching From Lean to Rich Bank 2 Sensor 1
Description Possible causes – Faulty O2 Sensor Bank 2 Sensor 1– O2 Sensor Bank 2 Sensor 1 harness is open or shorted– O2 Sensor Bank 2 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013…
GMC P1097 O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 1 Sensor 1
Description Possible causes – Faulty O2 Sensor Bank 1 Sensor 1– O2 Sensor Bank 1 Sensor 1 harness is open or shorted– O2 Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013…
GMC P1095 O2 Sensor Circuit Slow Switching From Lean to Rich Bank 1 Sensor 1
Description Possible causes – Faulty O2 Sensor Bank 1 Sensor 1– O2 Sensor Bank 1 Sensor 1 harness is open or shorted– O2 Sensor Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013…
GMC P1093 Fuel Trim 2 Bank 1 Malfunction
Description Possible causes – Engine mechnical condition– Fuel system malfunction– Ignition system malfunction– Faulty oxygen sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI Related P1093 GM code 2005 AUDI A4 Fuel System, Gasoline:delivery:fuel Pump 2005 AUDI A4 Fuel System, Gasoline:fuel Injection System:fuel Rail 2005 AUDI A4 Fuel System, Other:delivery:fuel Pump…
GMC P1094 O2 Sensor Circuit Slow Response in Rich Control Range Bank 2 Sensor 1
Description Possible causes – Faulty O2 Sensor Bank 2 Sensor 1– O2 Sensor Bank 2 Sensor 1 harness is open or shorted– O2 Sensor Bank 2 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013…
GMC P1092 Pre-Catalyst Fuel Trim Too Lean Bank 2
Description Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC…
GMC P1091 Pre-Catalyst Fuel Trim Too Rich Bank 1
Description Possible causes – Low fuel pressure– Large vacuum leak on engine– Faulty Mass Air Flow (MAF) sensor– Faulty Ignition– Faulty fuel injector Symptoms – Engine Light ON (or Service Engine Soon Warning Light) The OBD2 Code Information Be Applicable For GMC: 2013 GMC Terrain Denali,2013 GMC Acadia,2011 GMC Sierra All Terrain HD Concept,2010 GMC…