Transform Your Engine Unraveling the Complexity of Code 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. The P0171 code means that, on the first bank of the engine, the fuel system is running weak or a vacuum leak exists near this side of the... Chevy / GM P0171 or P0174 System To Lean Bank 1 Bank 2 · Check Engine Light? · Engine Fault Code P0171 - System Too Lean Bank 1! · P0171 Trouble ... 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. P0171 means your car is running lean,stoichiometric ratio is not balanced.this means your vehicle is taking in more air than fuel.most times it ... Your vehicle may get the P0171 code due to dirty sensors or a faulty fuel pump. Specifically, mass airflow sensors are known to trigger this error code, as this ... It's very possible that you do have a vacuum leak. The only real way to find out is to get a hold of a scanner that you can monitor the O2< ... Your Oxygen sensor provides a reading of the air:fuel ratio leaving the engine's cylinders, and the vehicles powertrain/engine control module ( ... Check the engine air intake duct for leaks/tears/holes, especially in the folds. It's a common source of a Murano vacuum leaks... A code P0171 may mean that one or more of the following has happened: The MAF (Mass Air Flow) Sensor is dirty or faulty.

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