The P2041 trouble code indicates an intermittent issue in the reductant injection air pressure sensor “A” circuit.
P2041 Reductant Injection Air Pressure Sensor “A” Circuit Intermittent
Code symptoms P2041.
1. Malfunction indicator lamp (MIL) or Check Engine Light (CEL) illuminated intermittently.
2. Intermittent engine performance issues.
3. Occasional reduction in fuel efficiency.
4. Intermittent increase in emissions.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2041.
1. Loose or damaged wiring or connectors in the sensor circuit.
2. Intermittent sensor malfunction.
3. Corrosion or contamination in sensor connectors.
4. Intermittent vacuum leaks in the intake system.
5. Intermittent exhaust system leaks.
Code Solutions P2041.
1. Inspect the wiring and connectors in the sensor circuit for looseness, damage, or corrosion. Repair or replace as necessary.
2. Test the reductant injection air pressure sensor “A” for intermittent malfunction and replace if necessary.
3. Clean or replace sensor connectors if they are corroded or contaminated.
4. Inspect the intake system for intermittent vacuum leaks and repair as needed.
5. Inspect the exhaust system for intermittent leaks and repair as needed.