VW 2.0T FSI Engine... System Too Lean Fault Code P0171 ... (Stephen Myers)
This diagnostic trouble code (DTC) is a generic powertrain code. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter. I believe people were talking about taking a.
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Common issues for this code are vacuum leaks or fuel issues.
Check Secondary Air System for Leaks.. This diagnostic trouble code (DTC) is a generic powertrain code. If there are no intake leaks, the next step is to replace the air filter and clean the air flow meter.
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