P0221 Engine Trouble Code
When you check engine light came on code P0221 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 P0221 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.
When your car's 'P0221 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.
P0221 Code Meaning :
|OBD-II Diagnostic Powertrain (P) Trouble Code For Engine||Intake Valve Control Solenoid Circuit Low||Ambient Air Temperature Sensor Circuit Low||Crankshaft Position Sensor A Circuit 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.
P0221 OBD-II Diagnostic Powertrain (P) Trouble Code DescriptionP0221 OBD-II Trouble Code Electric Throttle Control Actuator consists of throttle control motor, throttle position sensor ( P0221 code.
Reason For P0221 CodeThe reason of P0221 OBD-II Engine Trouble Code is Ambient Air Temperature Sensor Circuit Low.
P0221 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.