Mastering Engine Code P0171 Expert Tips and Solutions

For example, code P0170 could mean the right cyl. bank could be running either lean or rich and the same for code P0173. They want you to read ... Check the engine air intake duct for leaks/tears/holes, especially in the folds. It's a common source of a Murano vacuum leaks... DTCs P0171 and P0174 are generic codes that set when the feedback on the engine's air/fuel mixture becomes too lean for the Engine Control Module (ECM) to ... Based on the information you provided, it seems like your vehicle is displaying a P0171 error code, which typically indicates a problem with the ... The OBDII trouble code P0171 - System Too Lean (Bank 1) means that the engine air-fuel mixture is too lean, or there is too much air and too little fuel. Car less than 2 weeks old - Engine Malfunction - P0171 code (System too Lean Bank 1) ... Searching this forum yields no other mention of p0171 ... In this video, I show you how I troubleshoot a Check Engine Light (CEL) / Diagnostic Trouble Code (DTC) P0171, System Too Lean Bank 1. When the code says that the fuel system is "too lean," it means that the computer has been adding more and more fuel, which is called Long Term Fuel Trim. P0171 means bank 1 is lean and is near the limits of what the PCM can adapt to. This code and its sister, P0174(Bank 2) are common sights on ... Code P0171 stands for “System Too Lean (Bank 1)”. This diagnostic trouble code can happen for a number of reasons related to combustion inside your engine. The ...