P1494 Engine Trouble Code
Meaning of P1494 engine trouble code is : When your car's 'P1494 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.
P1494 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.
P1494 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Fuel And Air Metering||O2 Sensor Heater Circuit Malfunction||Crankshaft Position Sensor A Circuit Malfunction||Timing Reference High Resolution Signal A Too Many Pulses|
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.
P1494 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP1494 OBD-II Trouble Code SPCUT Solenoid Circuit Malfunction is one of the definitions for the P1494; however your vehicles manufacturer may have a different definition for the P1494 code. Please check below for your specific P1494 code.
Reason For P1494 CodeThe reason of P1494 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.
P1494 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.