P1416 Code - Port Air Circuit Malfunction/AIR System Bank 2
Quick Answer
The P1416 diagnostic trouble code (DTC) refers to a Port Air Circuit Malfunction or an issue with the AIR (Secondary Air Injection) System in Bank 2 of the vehicle. Common causes include Faulty Air Pump: A malfunctioning air pump can prevent the proper flow of air into the exhaust system, triggering the P1416 code, Diverter Valve Issues: Problems with the diverter valve can disrupt the airflow in the AIR system, leading to a circuit malfunction, Electrical Problems: Issues with the wiring or connectors in the AIR system circuit can cause the code to be triggered. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1416 indicates Port Air Circuit Malfunction/AIR System Bank 2.
- Common causes
- Common causes include Faulty Air Pump: A malfunctioning air pump can prevent the proper flow of air into the exhaust system, triggering the P1416 code, Diverter Valve Issues: Problems with the diverter valve can disrupt the airflow in the AIR system, leading to a circuit malfunction, Electrical Problems: Issues with the wiring or connectors in the AIR system circuit can cause the code to be triggered.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P1416 Description
The P1416 diagnostic trouble code (DTC) refers to a Port Air Circuit Malfunction or an issue with the AIR (Secondary Air Injection) System in Bank 2 of the vehicle. The AIR system is responsible for reducing harmful emissions by introducing fresh air into the exhaust system to help burn off any remaining fuel before it exits the tailpipe. This process helps to lower emissions and improve overall air quality.
Common Causes of P1416
- Faulty Air Pump: A malfunctioning air pump can prevent the proper flow of air into the exhaust system, triggering the P1416 code.
- Diverter Valve Issues: Problems with the diverter valve can disrupt the airflow in the AIR system, leading to a circuit malfunction.
- Electrical Problems: Issues with the wiring or connectors in the AIR system circuit can cause the code to be triggered.
- Vacuum Leaks: Any leaks in the vacuum lines connected to the AIR system can disrupt the airflow and trigger the code.
- Clogged Air Filter: A clogged air filter can restrict the flow of fresh air into the exhaust system, causing the code to be triggered.
Symptoms of P1416
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
- Rough Idling: The engine may experience rough idling or shaking while at a standstill, indicating a potential issue with the air-fuel mixture.
- Decreased Fuel Efficiency: A malfunctioning AIR system can lead to decreased fuel efficiency as the engine struggles to maintain the proper air-fuel ratio.
- Increased Emissions: The vehicle may produce higher emissions than usual due to the inefficient burning of fuel caused by the malfunctioning AIR system.
How to Fix P1416
- Diagnose the Issue: Use a scan tool to read the DTC and pinpoint the exact cause of the P1416 code.
- Inspect Components: Check the air pump, diverter valve, solenoid, vacuum lines, and electrical connections for any signs of damage or malfunction.
- Replace Faulty Parts: Replace any components that are found to be faulty, such as the air pump, diverter valve, or air filter.
- Clear DTC: After repairing the issue, clear the DTC using the scan tool to reset the check engine light.
- Test Drive: Take the vehicle for a test drive to ensure that the repair has resolved the P1416 code and that the vehicle is running smoothly.
Cost to Fix P1416
The cost of repairing a P1416 code can vary depending on the specific cause of the issue and the parts needed for the repair. On average, the cost of parts for this repair can range from $100 to $500, with labor costs adding an additional $100 to $200. Overall, the total repair cost for addressing a Port Air Circuit Malfunction/AIR System Bank 2 issue typically falls between $200 and $700. However, it's important to note that labor rates at auto repair shops can vary, so it's recommended to check with local shops for more precise estimates.
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Code P1416 Information for Specific Makes
- P1416 Acura — Air Pump Electric Current Sensor Circuit High Voltage
- P1416 Buick — Secondary Air Injection System Bank 2
- P1416 Cadillac — Secondary Air Injection System Bank 2
- P1416 Chevrolet — Secondary Air Injection System Bank 2
- P1416 Chrysler — Cylinder 6 Reactivation Control Performance
- P1416 Dodge — Cylinder 6 Reactivation Control Performance
- P1416 GMC — Secondary Air Injection System Bank 2
- P1416 Honda — Air Pump Electric Current Sensor Circuit High Voltage
- P1416 Jeep — Cylinder 6 Reactivation Control Performance
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