5/26/2023 0 Comments Mazda 6 p0171On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. 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: Note: This DTC is very similar to P0174, and in fact your vehicle may show both codes at the same time. The MAF (Mass Air Flow) Sensor is dirty or faulty.Note: The use of "oiled" air filters (K&N, etc.) can cause the MAF to become dirty if the filter is over-oiled There could be a vacuum leak downstream of the MAF sensor.In the vast majority of cases, simply cleaning the MAF sensor does the trick.Consult your service manual for it's location if you need help.
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