Audi Q8: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi Q8.  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

Audi Q7: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi Q7.  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

Audi Q5: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi Q5.  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

Audi Q3: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi Q3.  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

Audi Q2: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi Q2.  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

Audi TT: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi TT.  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

Audi A5: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi A5.  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

Audi A4: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi A4.  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

Audi A3: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi A3.  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

Audi A1: P0171 and P0174 Diagnosis

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P0171 and P0174 both indicate that there is a lean condition present in your Audi A1.  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