What does the secondary air pump do VW?
An emissions component, that is part of the Secondary Air Injection system, which is responsible for Pumping clean Air into the vehicle’s exhaust stream to promote a cleaner and more complete burn before the fumes exit the tailpipe.
What does Audi secondary air pump do?
The secondary-air pump draws in ambient air and injects it into the exhaust manifold downstream of the exhaust valves. There is a separate integrated air filter if the air is not drawn in from the intake system but rather directly from the engine compartment.
Why is my air pump not working on my VW Beetle?
Presuming that the new pump is working properly, the likely reason for this is that there is no output from the speed sensor (which usually means the sensor has failed) or leaks in the system. Testing the sensor and looking for leaks should identify the problem. What could cause a 2001 Volkswagen Beetle to show P0411 and P1297 codes?
What causes the air pump on a Passat GLS to remain on?
The secondary air system will need to be fully inspected to see which components are faulty. What could cause the secondary injection air pump on a 2002 Volkswagen Passat GLS to remain on after the ignition is switched off? This problem is typically caused by a faulty air pump relay. Replacing it should solve the problem. To replace it:
What is the p0411 code on a VW air pump?
The Check Engine Light will illuminate when the P0411 code is registered so they are related to the same problem. The code is for an issue with the secondary air pump. The operation of the pump on cold starting should be checked. If the pump is not running, then there could be an issue with the relay, the wiring or with the pump itself.
Can a p0411 leak cause a Volkswagen Beetle to break down?
An exhaust leak can cause the ECM to think that the AIR system is not working right. Look for damage to the exhaust system. If there’s a leak, you should be able to hear it. P0411 in the Volkswagen Beetle is not likely to cause the vehicle to break down, but can affect drivability.