Toyota Verso: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Verso.  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

Toyota Previa: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Previa.  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

Toyota Aygo: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Aygo.  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

Toyota Mirai: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Mirai.  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

Toyota Corolla: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Corolla.  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

Toyota Avensis: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Avensis.  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

Toyota Aurion: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Aurion.  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

Toyota Prius: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Prius.  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

Toyota Hilux: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Hilux.  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

Toyota Land Cruiser: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Toyota Land Cruiser.  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 … Read more