Saturn mass air flow sensor problems4/5/2023 The MAF (Mass Air Flow) Sensor is dirty or faulty. "You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration."Ī code P0171 may mean that one or more of the following has happened: "Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust)" Meaning one of my oxygen sensors are malfunctioning or something.įurther research as brought me this full definition: My neighbor plugged his OBD-II gadget thing into my car can i got the engine trouble code "P0171"Īfter doing some research, P0171 means "System Too Lean (Bank 1)" So my engine light comes on periodically and disappears also.
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