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DF059 Engine Trouble Code

Meaning of DF059 engine trouble code is a kind of and when your car's 'DF059 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.

DF059 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 DF059 code is occuring now you should check DF059 repair processes.
Now don't ask yourself; What should you do with DF059 code ?
The solution is here :

DF059 Possible Solution:

DF059 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.

DF059 Code Meaning :

D f 0 5 9
For Engine Ambient Air Temperature Sensor Circuit Low Cylinder 1 Injector Circuit Low Reverse Input Circuit

Is the fuel pump sometimes not priming when you turn the key to ON(II)? Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. The mechanical timing is also something that you should check, as we mentioned above.

DF059 Description

DF059 engine trouble code is about Reverse Input Circuit.

Main reason For DF059 Code

The reason of DF059 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

DF059 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.