Logo

DF027 Engine Trouble Code

Meaning of DF027 engine trouble code is a kind of and DF027 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

DF027 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 DF027 code is occuring now you should check DF027 repair processes.
Now don't ask yourself; What should you do with DF027 code ?
The solution is here :

DF027 Possible Solution:

DF027 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.

DF027 Code Meaning :

D f 0 2 7
For Engine Ambient Air Temperature Sensor Circuit Low Turbocharger Boost Sensor A Circuit Low Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

DF027 Description

DF027 engine trouble code is about Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical.

Main reason For DF027 Code

The reason of DF027 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

DF027 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.