Chevrolet Cruze 2013 Mass Airflow Sensor Diagram
Code P0171 - System Too Lean: Symptoms, causes, common problems, diagnostic Updated: July 10, 2021 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. Driving a car with the code P0171 can cause more damage to the engine over time, as when the engine runs lean, the combustion temperature is higher. Symptoms: When an engine runs lean it lacks power and may stall when the car is stopped at a stop sign. The acceleration may also feel slow. The engine may run rough at idle. If this code is caused by a vacuum leak, there might be a hissing noise coming from the engine. Read more about vacuum leaks. The engine may also be difficult to start. Another symptom of an engine running lean is when there is an engine knock or detonation (pinging) under load or when accelerating u...
