P0820 Engine Trouble Code
When you check engine light came on code P0820 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 P0820 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When your car's 'P0820 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.
P0820 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Manifold Absolute Pressure/Barometric Pressure Circuit High Input||Crankshaft Position Sensor A Circuit Malfunction||Exhaust Gas Recirculation Sensor B Circuit High|
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.
P0820 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0820 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.
Reason For P0820 CodeThe reason of P0820 OBD-II Engine Trouble Code is Manifold Absolute Pressure/Barometric Pressure Circuit High Input.
P0820 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.