U0209 Engine Trouble Code
Meaning of U0209 engine trouble code is a kind of network trouble code and when the check engine light comes U0209 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.
U0209 Fault Symptoms :
If one of these reasons for U0209 code is occuring now you should check U0209 repair processes.
Now don't ask yourself; What should you do with U0209 code ?
The solution is here :
U0209 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.
U0209 Code Meaning :
|OBD-II Diagnostic Network (U) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Manifold Absolute Pressure/Barometric Pressure Circuit High Input||Cold Start Injector 1 Malfunction||Reverse Input Circuit|
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.
U0209 OBD-II Diagnostic Network (U) Trouble Code DescriptionU0209 engine trouble code is about Reverse Input Circuit.
Main reason For U0209 CodeThe reason of U0209 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
U0209 DTC reports a sensor fault, replacement of the sensor is unlikely to resolve the underlying problem. The fault is most likely to be caused by the systems that the sensor is monitoring, but might even be caused by the wiring to the sensor itself.