P0170 & P0173 Codes: Fuel Trim Malfunction (Bank 1 & 2) – Causes & Fix
Автор: 312Drive
Загружено: 2025-07-02
Просмотров: 1870
P0170 (Fuel Trim Malfunction Bank 1) and P0173 (Fuel Trim Malfunction Bank 2) codes — common issues that can point to problems with your engine's air-fuel mixture. Possible causes include a faulty MAF sensor, vacuum leaks, fuel pressure issues, or even PCV system faults. We’ll walk through symptoms, diagnostics, and general repair guidance. This video is for educational purposes only and is not a substitute for professional automotive advice. Always consult a qualified mechanic before performing repairs. Understanding these fuel trim codes can help restore your vehicle’s performance and efficiency.
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