My check engine light came on and my code reader shows P0171 error code. What could be causing this and how do I fix it?
ReplyError code P0171 means that the air-fuel mixture in your engine is too lean. This can be caused by a variety of factors such as a vacuum leak, faulty oxygen sensor, or clogged fuel injectors. The best way to troubleshoot this issue is to use a diagnostic tool to pinpoint the exact cause.
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