P1105 Buick HO2S Heating Circuit Bank 1 Sensor 2 Short To Positive

P1106 Buick Manifold Absolute Pressure Sensor Short Circuit Intermittent High Input Possible causes – Faulty Manifold Absolute Pressure (MAP) sensor– Manifold Absolute Pressure (MAP) sensor harness is open or shorted– Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Engine rough idle– Engine hesitation…

P1097 Buick Tumble Generator Valve Circuit #2 Over Current

P1098 Buick O2 Sensor Circuit Slow Response after Coast Down Fuel Cutoff Bank 2 Sensor 2 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…

P1100 Buick HO2S12 Sensor Circuit Voltage Too Low Air Leak

P1101 Buick HO2S11 Sensor Circuit Voltage Too Low Air Leak Possible causes – Faulty Mass Air Flow Sensor– Air leak before or after sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) detected a Mass Air…

P1101 Buick HO2S11 Sensor Circuit Voltage Too Low Air Leak

P1102 Buick HO2S Heating Circuit Bank 1 Sensor 1 Short to B+ Possible causes – Faulty Mass Air Flow Sensor– Air leak before or after sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection What about the obd code? The Engine Control Module (ECM) detected a…

P1102 Buick HO2S Heating Circuit Bank 1 Sensor 1 Short to B+

P1103 Buick HO2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low Possible causes – Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1– HO2S Bank 1 Sensor 1 blown fuse– HO2S Bank 1 Sensor 1 harness is open or shorted– HO2S Bank 1 Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON…

P1093 Buick Tumble Generator Valve #2 Malfunction Stuck Close

P1094 Buick Tumble Generator Valve Circuit #1 Open Circuit Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1094 Buick Tumble Generator Valve Circuit #1 Open Circuit

P1095 Buick Tumble Generator Valve Circuit #1 Over Current Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1095 Buick Tumble Generator Valve Circuit #1 Over Current

P1096 Buick Tumble Generator Valve Circuit #2 Open Circuit Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1096 Buick Tumble Generator Valve Circuit #2 Open Circuit

P1097 Buick Tumble Generator Valve Circuit #2 Over Current Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1089 Buick Tumble Generator Valve #1 Position Sensor Circuit High Input

P1090 Buick Tumble Generator Valve #1 Malfunction Stuck Open Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1090 Buick Tumble Generator Valve #1 Malfunction Stuck Open

P1091 Buick Tumble Generator Valve #1 Malfunction Stuck Closed Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1091 Buick Tumble Generator Valve #1 Malfunction Stuck Closed

P1092 Buick Tumble Generator Valve #2 Malfunction Stuck Open Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse –…

P1092 Buick Tumble Generator Valve #2 Malfunction Stuck Open

P1093 Buick Tumble Generator Valve #2 Malfunction Stuck Close Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1093 Buick Description Tumble generator valve #2 (LH) malfunction (stuck…

P1085 Buick Exhaust Bank 4- Mixture Adaption Range 1 Lower Lean Limit Not Reached

P1086 Buick Exhaust Bank 4- Mixture Adaption Range 2 Lower Lean Limit Not Reached Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1086 Buick Exhaust Bank 4- Mixture Adaption Range 2 Lower Lean Limit Not Reached

P1087 Buick Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1087 Buick Exhaust Bank 4- Mixture Adaption Range 1 Lower Rich Limit Not Reached

P1088 Buick Exhaust Bank 4- Mixture Adaption Range 2 Lower Rich Limit Not Reached Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1088 Buick Exhaust Bank 4- Mixture Adaption Range 2 Lower Rich Limit Not Reached

P1089 Buick Tumble Generator Valve #1 Position Sensor Circuit High Input Possible causes – Faulty Tumble Generator Position Sensor– Tumble Generator Position Sensor harness is open or shorted– Tumble Generator Position Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick…

P1081 Buick Exhaust Bank 3- Mixture Adaption Range 1 Lower Lean Limit Not Reached

P1082 Buick Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…

P1082 Buick Exhaust Bank 3- Mixture Adaption Range 2 Lower Lean Limit Not Reached

P1083 Buick Exhaust Bank 3- Mixture Adaption Range 1 Lower Rich Limit Not Reached Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…