P0238 Engine Trouble Code
When you check engine light came on code P0238 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0238 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When the check engine light comes P0238 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.
P0238 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Ambient Air Temperature Sensor Circuit Low||Cold Start Injector 1 Malfunction||Timing Reference High Resolution Signal A Too Many Pulses|
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.
P0238 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0238 OBD-II Trouble Code The boost pressure sensor responds to pressure changes in the intake manifold. This pressure is created by the turbocharger and changes with accelerator pedal position (APP) and engine speed. The engi P0238 code.
Reason For P0238 CodeThe reason of P0238 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
P0238 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.