Category: Chevrolet

P1106 Chevrolet 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…

P1107 Chevrolet Manifold Differential Pressure Sensor Low 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) P1107 Chevrolet Description The Manifold Absolute Pressure (MAP)…

P1098 Chevrolet 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 Chevrolet HO2S12 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 Chevrolet 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…

P1102 Chevrolet 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…

P1103 Chevrolet 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…

P1094 Chevrolet 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)

P1095 Chevrolet 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)

P1096 Chevrolet 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)

P1097 Chevrolet 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)

P1090 Chevrolet 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)

P1091 Chevrolet 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)

P1092 Chevrolet 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)

P1093 Chevrolet 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 Chevrolet Description Tumble generator valve #2 (LH) malfunction (stuck…

P1086 Chevrolet 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)

P1087 Chevrolet 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)

P1088 Chevrolet 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)

P1089 Chevrolet 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)

P1082 Chevrolet 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)