P0154 Engine Trouble Code
When you check engine light came on code P0154 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 P0154 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When the check engine light comes P0154 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.
P0154 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Engine Oil Temperature Sensor Malfunction||Turbocharger Boost Sensor A Circuit Low||Clutch Position Sensor Circuit Malfunction|
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.
P0154 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0154 OBD-II Trouble Code The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. It detects the amount of oxygen in the exhaust gas compared to the outside air. The heated oxygen sensor 1 has a cl P0154 code.
Reason For P0154 CodeThe reason of P0154 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.
Parts or components should not be replaced with reference to only a P0154 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.