Saturn Ion P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Saturn Ion it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Saturn Aura P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Saturn Aura it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Saturn Astra P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Saturn Astra it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Buick Rendezvous P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Buick Rendezvous it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Buick Regal P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Buick Regal it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Buick Encore P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Buick Encore it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

Buick Enclave P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the Buick Enclave it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

GMC Terrain P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the GMC Terrain it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

GMC Acadia P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the GMC Acadia it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more

GMC Sierra P1133:  Meaning, Causes, and Diagnosis

P1133 can have different definitions depending on the vehicle manufacturer in question.  In the case of the GMC Sierra it means: HO2S Insufficient Switching (Bank 1, Sensor 1) It is typically caused by a failure of the heated oxygen sensor.  But, there can be a few other causes as well.  They are all addressed below. … Read more