P1890 Engine Trouble Code

Meaning of P1890 engine trouble code is a kind of powertrain trouble code and when your car's 'P1890 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.

P1890 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 P1890 code is occuring now you should check P1890 repair processes.
Now don't ask yourself; What should you do with P1890 code ?
The solution is here :

P1890 Possible Solution:

P1890 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.

P1890 Code Meaning :

P 1 8 9 0
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Crankshaft Position Sensor A Circuit Malfunction Shift Solenoid E Performance or Stuck Off

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.

P1890 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1890 engine trouble code is about Shift Solenoid E Performance or Stuck Off.

Main reason For P1890 Code

The reason of P1890 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1890 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.