What does a p0171 Nissan lean bank code mean?
A code P0171 Nissan may mean that one or more of the following has happened: ?The MAF (Mass Air Flow) Sensor is dirty or faulty. Note: The use of “oiled” air filters may cause the MAF to become dirty if the filter is over-oiled.
Is the Nissan DTC the same as the Nissan p0174?
Note: This DTC is very similar to P0174 Nissan, and in fact your vehicle may show both codes at the same time. 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.
What does lean Bank 1 on Nissan mean?
Basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine that has cylinder #1. Note: This DTC is very similar to P0174 Nissan, and in fact your vehicle may show both codes at the same time.
What is the lean bank code for Nissan Maxima?
The club for Nissan Maxima and Infiniti I30 / I35 owners, and the official home of Maxima Club of America! After researching for a week or so I haven’t really found a definitive answer for the p0171 code (lean bank 1).
What does p0171 mean in lean Bank 1?
P0171 (lean fuel injection system, Bank 1) simply means the air-fuel ratio is too lean that the ECM can no longer compensate due to very large error. It can be caused by air intake/exhaust leak, defective front O2 sensor, bad fuel injectors, low fuel pressure or even a dirty/faulty MAF sensor.
What does p0171 mean on a Nissan Leaf?
To keep your Nissan engine running properly, the powertrain control module (PCM) tries to compensate for the lean condition by injecting more fuel to the mixture in an effort to maintain the proper 14.7:1 ratio. When these adjustments become too large, code P0171 is triggered.
What is the cause of Hyundai p0171 air leak?
It is important to complete the entire diagnostic process when diagnosing P0171. Many people will replace the air fuel sensor or O2 sensor as soon as they get a bad reading, but the root cause is often a dirty or faulty mass air flow sensor or vacuum leak, thus causing the O2 or A/F sensor to read differently to compensate.
Can a p0171 code cause engine damage?
Vacuum leaks – PCV hose, vacuum hoses, intake manifold gasket. It is okay to drive your Nissan with P0171 for a short period of time, but driving with this code for an extended period of time can overheat the engine and cause internal engine damage.