What is a secondary air injection valve?
The secondary air injection system is an emissions system equipped on many road going vehicles. It functions as a one-way valve, allowing the air to pump through into the exhaust, while preventing the exhaust fumes from leaking into the secondary air injection system.
What are the symptoms of a bad secondary air injection pump?
5 Symptoms of a Bad Secondary Air Injection Pump
- Check Engine Light.
- Failed Emissions Test.
- Weak Acceleration.
- Engine Stalling.
- Low Idle.
What does a Subaru secondary air pump do?
A secondary air pump system has the sole purpose of improving exhaust gas emissions during cold start. When an engine is cold, the catalytic converter in the exhaust system is unable to efficiently work to reduce engine emissions.
Can you drive with a bad air pump check valve?
You will not notice anything significant in the way of vehicle performance, and you can continue to drive with a bad air pump check valve.
How do you know if your air pump valve is bad?
What are the Symptoms of a Bad Air Pump Check Valve?
- Illuminated Check Engine Light.
- Increased Tailpipe Emissions.
- Damage to Other Parts of the AIR System.
Can you drive with a bad secondary air injection?
While failing a smog test is a serious enough problem, the real danger from a bad air pump is the possibility that reduced engine performance and driveability could cause be hazardous to your driving safety.
What causes the secondary air injection system to fail?
It is letting you know that there is an issue with the secondary air injection system. The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0410 is going to be caused by a failure in this pump or the one way check valve.
Is there a simple fix for a Subaru air pump?
The air pump component of the secondary air pump system in a 2020 WRX STI. Is there a simple fix? There certainly is. This article includes all the details you need to know about the Subaru Air Pump system, but if you just want to know what the fixes are, scroll right to the bottom.
Can a Subaru WRX STi have an air pump?
No Subaru vehicle pre-2005 has this system, so the emissions will be similar to a Subaru older than this age. If you have modified your vehicle for performance and removed the catalytic converter, the emission benefit of an air pump will be negligible. The engine bay of a 2020 WRX STI has a busy engine bay.
What does OBDII trouble code mean on Subaru WRX?
P0410 is a generic OBDII trouble code. This means that it has the same meaning for the Subaru WRX as it would any other vehicle. It is letting you know that there is an issue with the secondary air injection system. The secondary air injection system injects air into the exhaust to help lower emissions.