P2790 Engine Trouble Code
Meaning of P2790 engine trouble code is : When your car's 'P2790 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.
P2790 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.
P2790 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering (Injector Circuit Malfunctions Only)||Fuel Rail Pressure Sensor Circuit 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.
P2790 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP2790 engine trouble code is about Shift Solenoid E Performance or Stuck Off.
Reason For P2790 CodeThe reason of P2790 OBD-II Engine Trouble Code is Fuel Rail Pressure Sensor Circuit Malfunction.
P2790 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.