The code P2143 indicates an issue with the exhaust gas recirculation vent control circuit being stuck in an open position.
P2143 Exhaust Gas Recirculation Vent Control Circuit Open
Code symptoms P2143.
– Check Engine Light is illuminated on the dashboard
– Decreased engine performance or acceleration
– Increased fuel consumption
– Rough idling or stalling at idle
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2143.
1. Loose or disconnected wiring in the Exhaust Gas Recirculation (EGR) vent control circuit.
2. Corrosion or damage to the EGR valve connector.
3. Faulty EGR vent control solenoid.
4. Blown fuse in the EGR vent control circuit.
5. Failed EGR temperature sensor.
Code Solutions P2143.
1. Check the EGR vent control circuit for any physical damage or loose connections, and repair or replace as needed.
2. Test the EGR vent control solenoid for proper functioning and replace if faulty.
3. Verify the wiring harness and connectors for the EGR vent control circuit are in good condition and repair any issues found.
4. Clear the fault code associated with P2143 Exhaust Gas Recirculation Vent Control Circuit Open using a diagnostic scan tool.
5. Perform a thorough inspection of the EGR system components to ensure proper operation and address any additional faults that may be contributing to the issue.