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The Chevrolet Cruze has a bunch of lights and codes that pop up on the dashboard during ownership. Typically, they're just reminders for regular maintenance like changing oil and fluids or basic component upkeep. However, sometimes they point to a problem in the system. For example, trouble code p0171 signals a weakened fuel system and sluggish performance. This issue could be caused by a vacuum leak from a cracked hose, a malfunctioning mass airflow sensor that needs replacing, or a communication breakdown with the vehicle's computer (ECM).
This code shows that the fuel system is not performing well, or there may be a vacuum leak close to this part of the engine.
A frequent reason for code p0171 could be a mass air flow sensor that is inaccurately reporting lower airflow than is truly entering the engine. This implies that the sensor incorrectly indicates a reduced amount of air reaching the engine. It is crucial to confirm the precision of the oxygen sensors.
An issue frequently linked to code p0171 can result from the mass air flow sensor inaccurately reporting lower air intake than the engine actually receives. This essentially indicates that the computer is misled about the amount of air entering the engine. It's crucial to verify the accuracy of the oxygen sensors to ensure that the fuel mixture is not too lean.