P0198 Engine Trouble Code

Meaning of P0198 engine trouble code is a kind of powertrain trouble code and when your car's 'P0198 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.

P0198 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 P0198 code is occuring now you should check P0198 repair processes.
Now don't ask yourself; What should you do with P0198 code ?
The solution is here :

P0198 Possible Solution:

P0198 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.

P0198 Code Meaning :

P 0 1 9 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low Fuel Rail/System Pressure - Too High Crankshaft Position Sensor A Circuit Malfunction Clutch Position Sensor Circuit Malfunction

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.

P0198 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0198 OBD-II Trouble Code The engine oil temperature sensor is used to detect the engine oil temperature. The sensor modifies a voltage signal from the Engine Control Module ( P0198 code.

Main reason For P0198 Code

The reason of P0198 OBD-II Engine Trouble Code is Fuel Rail/System Pressure - Too High.

P0198 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.