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DF023 Engine Trouble Code

Meaning of DF023 engine trouble code is a kind of and theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $240-$400 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

DF023 Fault Symptoms :

  1. Check engine light comes on
  2. Engine stalling or misfiring
  3. Engine performance issues
  4. Car not starting
If one of these reasons for DF023 code is occuring now you should check DF023 repair processes.
Now don't ask yourself; What should you do with DF023 code ?
The solution is here :

DF023 Possible Solution:

DF023 Engine

Power Steering Pressure (PSP) Switch Malfunction In Key On, Engine Off Self-Test, this DTC indicates the PSP input to the PCM is high. In Key On, Engine Running Self-Test, this DTC indicates that the PSP input did not change state. Steering wheel must be turned during Key On, Engine Running Self-Test PSP switch/shorting bar damaged SIG RTN circuit open PSP circuit open or shorted to SIGRTN PCM damaged.

DF023 Code Meaning :

D f 0 2 3
For Engine Ambient Air Temperature Sensor Circuit Low Turbocharger Boost Sensor A Circuit Low Exhaust Gas Recirculation Sensor B Circuit High

The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.

DF023 Description

DF023 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For DF023 Code

The reason of DF023 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

DF023 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.