Subaru Outback: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Outback.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Liberty: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Liberty.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Legacy: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Legacy.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Impreza: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Impreza.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Forester: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Forester.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Exiga: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Exiga.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru BRZ: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru BRZ.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Subaru Baja: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Subaru Baja.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Mazda BT-50: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Mazda BT-50.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more

Mazda CX-9: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Mazda CX-9.  By themselves, these are some of the most common OBD2 codes.   When they appear together, it indicates that the entire engine is running lean. Definition Both of these codes are generic, which means they have the same meaning … Read more