What does a secondary air check valve do?
What does a secondary air check valve do?
Secondary air valves are an integral part of the secondary air system. They are fitted between the secondary air pump (1) and exhaust manifold. They prevent pressure peaks in the exhaust flow from damaging the secondary air system and exhaust gas or condensate from entering the secondary air pump.
What is the code P1416?
Answer: P1416 indicates a fault with your Yukon’s Secondary Air Injection (AIR) system on Bank 2 (engine side on which cylinder 2 is located) of the engine.
How can you tell if a check valve is bad?
Symptoms of a Failing Check Valve For example, failing check valves will start to vibrate and even lose some internal parts when problems begin to arise. Other symptoms of check valve failure include reverse flow and excessive component wear and damage. Check valves will also emit noises as they start to break down.
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.
Will a secondary air injection check valve fit a GM vehicle?
This original equipment secondary air injection check valve has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. How are ratings calculated?
What is an ACDelco secondary air injection check valve?
An ACDelco GM Original Equipment Secondary Air Injection Check Valve prevents exhaust gases from flowing back through the air injection system, and is a GM-recommended replacement for your vehicle’s original component.
How to fix code p1416 on a 2000 Chevy Silverado?
Worked great to resolve my P1416 code on 2000 Silverado. If you need to replace this, consider getting the ones with the tubes attached. I am handy, and with the correct wrenches and penetrating oil I STILL needed to use heat to break these loose. It is a steel pipe attached to exhaust that this aluminum valve is mounted to.