Check P0406 Fault Code

When you check engine light came on code P0406 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 P0406 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0406 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.

P0406 Possible Fix :

When you spot grave damage, replace, replace, replace! Otherwise, if it's just a matter of grime buildup or dirty plugs, simply clean these components. If your wires are tangled, prevent arcing and damage caused by friction by using a spark plug wire loom or divider on your car. It basically organizes your wires and offer better insulation. In short, it keeps your wires organized, making it easier to access your spark plug wires for inspection and/or installation.

P0406 OBD-II Diagnostic Powertrain (P) Trouble Code Description P0406 OBD-II Trouble Code Early Exhaust Gas Recirculation (EGR) systems component s include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator. Dependin Reason For P0406 Code The reason of P0406 OBD-II Fault Code Check is P0406 Exhaust Gas Recirculation Sensor A Circuit High.

P0406 Solution:

Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.

What does fault code P0406 mean ? What does a diagnostic reading P0406 mean ? How to fix OBD2 Code P0406 ? What do we know about P0406 code ?

How to Clear P0406 Trouble Code

An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.