P0231 Engine Trouble Code
When you check engine light came on code P0231 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 P0231 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When your car's 'P0231 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.
P0231 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||Glow Plug/Heater Circuit 'A' Malfunction|
The poor running symptoms are consistent with a MAP sensor malfunction. In addition, in some cases, a bad MAP sensor will not throw a code. Again, the ELD code likely represents a separate wiring issue.
P0231 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0231 OBD-II Trouble Code The Engine Control Module ( P0231 code.
Reason For P0231 CodeThe reason of P0231 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
P0231 DTCs may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.