Ford Mustang: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Mustang.  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

Ford Taurus: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Taurus.  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

Ford Fusion: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Fusion.  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

Ford Mondeo: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Mondeo.  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

Ford Focus: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Focus.  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

Ford Fiesta: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Fiesta.  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

Ford Ka: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Ford Ka.  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

GMC Terrain: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your GMC Terrain.  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

GMC Acadia: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your GMC Acadia.  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

GMC Envoy: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your GMC Envoy.  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