How do I fix code P2441?
What repairs can fix the P2441 code?
- Replacing the air control valve for the secondary air injection system bank one.
- Replacing the exhaust pressure sensor to the secondary air injection system for bank one.
- Repairing wiring or connections to the air injection system as directed by pinpoint tests.
What is code P2441?
OBD-II Code P2441 is defined as a Secondary Air Injection System Switching Valve Stuck Closed. The Secondary Air Injection System pumps outside fresh air into the Exhaust System during cold engine start up.
How do I fix error code P2444?
What repairs can fix the P2444 code?
- Replace faulty air injection valve.
- Replace faulty one-way check valve.
- Replace faulty air injection pump.
- Replace faulty pressure sensor.
- Repair or replace frayed, broken, or shorted pressure sensor wiring.
- Repair or replace damaged or corroded pressure sensor connector.
What would be the concern if the SAI one-way check valve was stuck open?
If a P2442 code comes up, a one-way check valve is stuck open in the secondary air injection system, causing too much airflow into the exhaust and allowing hot exhaust gas to travel back into the pump. If the PCM receives a voltage reading of more than 10% of the allowed amount the P2442 code will be stored.
What does an air switching valve do?
The air switching valve allows air from the airbox into the exhaust ports via reed valves in the valve cover.
What is secondary air pump Subaru?
A secondary air pump system has the sole purpose of improving exhaust gas emissions during cold start. This additional air helps to oxidise and burn off the pollutants in the exhaust gas until the catalytic converter is hot enough to take over.
How do I know if my secondary air pump is bad?
5 Symptoms of a Bad Secondary Air Injection Pump
- 1) Check Engine Light.
- 2) Failed Emissions Test.
- 3) Weak Acceleration.
- 4) Engine Stalling.
- 5) Low Idle.
What does Subaru air pump do?
Part of the secondary air injection system within your Subaru, the air pump valve (also known as the air pump check valve) is an integral part of reducing your vehicle’s tailpipe emissions. Because it is a one-way valve, its mechanism stops exhaust fumes from leaking out into the secondary air injection system.
What does the P2441 OBD-II trouble code mean?
What the P2441 code means P2441 is an OBD-II code for the engine control module (ECM) detecting no exhaust pulse while monitoring the exhaust pressure sensor when the bank 1 switching valve is commanded to be open with the engine running. This will signal a fault in the system. What causes the P2441 code?
Where is the ECM on a Subaru P2441?
The ECM observes the pressure in the secondary air passage using the pressure sensor located on the air switching valve in the secondary air injection system. The sensor detects an exhaust pressure in the secondary air passage. Need more information on how to fix the P2441 SUBARU code?
How does the ECM work on a Subaru Outback?
The ECM observes the pressure in the secondary air passage using the pressure sensor located on the air switching valve in the secondary air injection system. The sensor detects an exhaust pressure in the secondary air passage. P2441 SUBARU More Information.