What does the secondary air pump to VW?
When the secondary air injection system pumps extra air into the exhaust on a cold start, it serves two functions: it breaks down unburned fuel and it heats the catalytic converter at a quicker rate to reach your engine’s optimal levels.
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.
Can you drive a car with a bad air injection pump?
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.
Can you drive with a bad secondary air injection?
Repairing a bad air pump 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.
Can I drive without secondary air pump?
You will be fine driving to work in the morning. You will get or already have a CEL for hose being disconnected. The pump only runs for a minute or so on cold start to help burn exhaust gases and heat up the O2 sensor. The reason for the brown color is most likely due to rust from condensation in the pump.
What kind of air injection does a Jetta have?
On 2005-2012 Jetta, Golf, Beetle, Passat and Rabbit models with the 2.5 CBTA-CBUA engine, the hose for the secondary air injection system can be contaminated by foreign particles. 2005-2012 Jetta, Golf, Beetle, Passat and Rabbit models with the 2.5L CBTA-CBUA engine.
How does the secondary air injection system work?
The secondary air injection system injects air into the exhaust to help lower emissions. Most of the time, P0411 is going to be caused by a failure in this pump or the one way check valve.
What does p0411 mean on a Volkswagen Beetle?
P0411 is a general OBDII trouble code, which means that it has the same meaning for the Volkswagen Beetle as it would any other car or truck. By definition, the code is letting you know that the ECM has detected incorrect flow in the secondary air injection system. P0411: Secondary Air Injection System → Incorrect Flow Detected
When to replace a secondary air injection pump?
If you’ve already experienced engine stalling, poor acceleration, and a check engine warning light, then you need to have the secondary air injection pump checked out immediately. If it is proven to be the problem, have it replaced by a certified mechanic.