What does secondary air injection system mean?
Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller secondary combustion of exhaust gases.
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What does secondary air injection system mean?
Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller secondary combustion of exhaust gases.
What does a SAI delete do?
Totally didn’t come back… lol. SAI delete provides benefits removing some of the harshness that initially occurs when you cold start the car and it’ll also help prevent some carbon buildup that comes from the SAI system.
What happens if you remove smog pump?
The tube into the head would rust through and sound like a bad exhaust leak. As for removing the pump, you won’t pass the visual portion of the inspection if you do remove it. I ripped off my smog stuff a long time ago just because I got bored and don’t have emissions.
How do I know if my secondary air pump is bad?
Let us look at the signs of a bad air injection smog pump.
- Check Engine Light. One of the most common symptoms of a bad secondary air system is that the Check Engine Light will come on.
- Failed Catalytic Converter.
- Failed Emissions Test.
- Low Idle.
- Sluggish Acceleration.
- Engine Stalls.
How do you know if your air injection system is not functioning?
Check Engine Light One of the most common symptoms of a bad secondary air system is that the Check Engine Light will come on. This light comes on when there is a problem with the engine, and it can be triggered by a variety of issues, including a failing secondary air injection pump.
How much does a secondary air pump cost?
The average cost for air pump replacement is between $465 and $554. Labor costs are estimated between $77 and $97 while parts are priced between $388 and $457. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
Does the secondary air pump run all the time?
During a cold start, the secondary air pump may only be in operation for a maximum of 90 – 120 seconds. The secondary air pump is not designed for continuous use!
What is a Sai filter?
Description. This SAI filter kit is a simple and secure solution to adding a filter to your secondary air injection (SAI) hose when installing an aftermarket cold air intake to your VW or Audi.
What is a secondary air injection system?
The secondary air injection system will pump fresh air from the air filter box to the exhaust header pipes – right after the exhaust valves. So the air in the secondary air injection system is not being mixed with fuel, and will not be a part of the combustion process inside the engine. – Why?
What is a tech bypass kit?
It enables you to clear the Check Engine Light, Limp Mode and error codes related to both mechanical and electrical SAIS faults. Hewitt Tech Bypass Kits come in two Generations, Gen 1 and Gen 2. When deciding which kit is best for you please note that our solutions are both vehicle specific and error code specific.
Will the secondary air injection affect the boosterplug?
If you install a high flow aftermarket exhaust, the secondary air injection may cause a bit of backfire in the exhaust on deceleration, but it is a (sound) cosmetic issue, and will not damage your engine in any way. Will it influence the BoosterPlug if I disable or remove the secondary air injection system (SAS, SAIS, SIS, etc) on my motorcycle?
What is primary air induction?
The primary air induction is the air that is passing the throttle valve, getting mixed with fuel, and is sucked into the combustion chamber. We never really refer to this at the “primary air induction”, but it explains why we are talking about a “secondary” system.
