Code Search

Please fill the "Code Box" to find engine fault code.

Car Models :

Please select your car.

How To Clear Check Engine Lights ?

Ways to clear check engine light on car panel.

Check Engine Light Dictionary

Ways to clear check engine light on car panel.

U3393 Engine Trouble Code

Meaning of U3393 engine trouble code is a kind of network trouble code and when your car's 'U3393 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.

U3393 Fault Symptoms :

Check engine light comes on
Engine stalling or misfiring
Engine performance issues
Car not starting

If one of these reasons for U3393 code is occuring now you should check U3393 repair processes.
Now don't ask yourself; What should you do with U3393 code ?
The solution is here :

U3393 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.

U3393 Code Meaning :

U	3	3	9	3
OBD-II Diagnostic Network (U) Trouble Code For Engine	Ignition System Or Misfire	Throttle/Pedal Position Sensor/Switch A Circuit Intermittent	Crankshaft Position Sensor A Circuit Malfunction	Exhaust Gas Recirculation Sensor B Circuit High

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.

U3393 OBD-II Diagnostic Network (U) Trouble Code Description

U3393 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Main reason For U3393 Code

The reason of U3393 OBD-II Engine Trouble Code is Throttle/Pedal Position Sensor/Switch A Circuit Intermittent.

U3393 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.

	Example: 0140