Lincoln MKZ: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln MKZ.  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

Lincoln Town Car: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln Town Car.  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

Lincoln LS: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln LS.  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

Lincoln Aviator: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln Aviator.  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

Lincoln Mark LT: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln Mark LT.  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

Lincoln MKS: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln MKS.  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

Lincoln MKX: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Lincoln MKX.  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

Mercury Grand Marquis: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Mercury Grand Marquis.  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

Mercury Mariner: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Mercury Mariner.  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

Mercury Milan: P0171 and P0174 Diagnosis

P0171 and P0174 both indicate that there is a lean condition present in your Mercury Milan.  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