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U0051 Engine Trouble Code

Meaning of U0051 engine trouble code is a kind of network trouble code and when the check engine light comes U0051 code on the first you should check is the gas cap. Pull over, retighten it, and take a look at the cap to see if it has any cracks in it. Continue driving and see if the check engine light turns off. Alternately, you can purchase a gas cap for about $3 at an auto parts store. All you need to do is take the old one off and screw on the new one. If you've already made it to the store, you might as well just replace it. While not car-threatening, it's good to take care of this right away to improve gas mileage.

U0051 Fault Symptoms :

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

If one of these reasons for U0051 code is occuring now you should check U0051 repair processes.
Now don't ask yourself; What should you do with U0051 code ?
The solution is here :

U0051 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.

U0051 Code Meaning :

U	0	0	5	1
OBD-II Diagnostic Network (U) Trouble Code For Engine	Intake Valve Control Solenoid Circuit Low	Ambient Air Temperature Sensor Circuit Low	Cylinder 1 Injector Circuit Low	Crankshaft Position Sensor A Circuit Low Input

The oxygen (02) sensors on your car measure the oxygen in the exhaust to determine how rich or lean the ratio of fuel and air are in the cylinders. Optimizing this mixture means better fuel economy and fewer exhaust emissions.

U0051 OBD-II Diagnostic Network (U) Trouble Code Description

U0051 engine trouble code is about Crankshaft Position Sensor A Circuit Low Input.

Main reason For U0051 Code

The reason of U0051 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.

U0051 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