Ford C-Max: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Ford C-Max.  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 B-Max: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Ford B-Max.  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 F350: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Ford F350.  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 F250: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Ford F250.  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 F150: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Ford F150.  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 Mustang: P0171 and P0174 Diagnosis

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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

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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

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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

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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

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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