P0990 Engine Trouble Code
Meaning of P0990 engine trouble code is a kind of powertrain trouble code and when your car's 'P0990 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.
P0990 Fault Symptoms :
If one of these reasons for P0990 code is occuring now you should check P0990 repair processes.
Now don't ask yourself; What should you do with P0990 code ?
The solution is here :
P0990 Possible Solution:
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.
P0990 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Injector Circuit Malfunction - Cylinders||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.
P0990 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0990 engine trouble code is about Shift Solenoid E Performance or Stuck Off.
Main reason For P0990 CodeThe reason of P0990 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.
P0990 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.