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.

What do you need to know about a secondary air pump?

If you’re wondering what a secondary air injection pump is, you’re not alone. In this article, we’ll go over the purpose of the secondary are pump as well as the symptoms you should watch for that indicate the pump is failing. What Does a Secondary Air Pump Do? What Does a Secondary Air Pump Do?

How does a secondary air injection system work?

This component is also called a smog pump, or an air pump, and it lies within the secondary air injection system of the vehicle. It can reduce carbon emissions by pumping fresh air from outside into the exhaust stream. By the time fumes leave the tailpipe, there are fewer hydrocarbon pollutants in them.

What are the symptoms of an air injection pump failure?

Below you’ll find the five most common symptoms of secondary air injection pump failure. If you notice at least two of the symptoms occurring, there’s a good chance you’re dealing with a faulty secondary air injection pump and you need to get it serviced right away.

https://www.youtube.com/watch?v=6Amr0kxiiS4

Can a leaking air pump cause a fault?

Please try again later. The secondary air injection pump can often leak on VW and Audi 1.8T engines. The leaking of this pump or other bad components in the secondary air system may result in fault code P0411. https://deutscheautoparts.com/catalog… The secondary air pump replacement would be the same or similar on the following models.

What should I do if my air pump is not working?

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. If the pump does work, then the secondary air combi valve is probably faulty and needs to be replaced.

What happens when the air injection pump is not working?

But in situations when the secondary air injection pump is not working, you can expect the RPM to drop. This may cause the car to vibrate or even stall as noted above. 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.

How does the secondary air pump work on a Chevy Silverado?

Secondary air pump-I tested its operation at startup. The pump enables at startup and pumps air at an acceptable volume. There are no signs of wear or issues with the pump. Secondary air valve- I tested operation at startup The valve opens and allows air to flow from the pump to the exhaust.

What does a secondary air check valve do?

Secondary air valve- I tested operation at startup The valve opens and allows air to flow from the pump to the exhaust. There are no signs of wear and all vacuum line were inspected for leaks. Secondary air check valves- Both valves were inspected and replaced due to carbon buildup. Neither were clogged but I still replaced.

Why is my secondary air pump not running?

O2 sensors- I replaced both pre cat O2 sensors because both had 100,000+ miles. The O2 sensors have been monitored using a scan tool and no signs of issue have been noted. I’ve monitored both pre cat O2 sensors during startup and I can see when the secondary air pump is enabled.

What are the air monitors on a Chevy Silverado?

Any help is appreciate. The Chevy Silverado drive cycle below will “complete” or make “ready” your truck’s emission monitors, including the EVAP monitor, Oxygen Sensor monitor, EGR monitor, and Secondary Air Injection. Be sure to obey all traffic laws while performing drive cycles.

Can a 1.8T air injection pump leak?

This feature is not available right now. Please try again later. The secondary air injection pump can often leak on VW and Audi 1.8T engines. The leaking of this pump or other bad components in the secondary air system may result in fault code P0411. https://deutscheautoparts.com/catalog…

What makes a check engine light come on?

To confirm the actual cause of the check engine light, you will need to use a car code reader to retrieve any error codes that were stored. The purpose of the secondary air injection pump is to reduce hydrocarbons in your emissions system.

Can a bad air injection pump cause engine stall?

A failed emissions test in conjunction with weak acceleration is a decent indicator that it is the pump’s fault. You may be driving normally and then suddenly experience engine stalling or hesitation in your vehicle. A secondary air injection pump that is wearing down can cause inconsistent power gaps from the engine.

What are the components of an air injection pump?

The air injection system introduces oxygen into the exhaust engine at certain times to reduce emissions. Typical system components include the PCM, air injection relay, air injection hoses, valves and the pump. The air injection pump can be either belt driven or electric – for this article, we will focus on the belt-driven design.

Where does the air pump go in a car?

The pump lies after the exhaust manifold and before the catalytic converter of the vehicle and it can reduce carbon emissions by pumping fresh air from outside into the exhaust stream. By the time fumes leave the tailpipe, there are fewer hydrocarbon pollutants in them. This promotes a safer environment by cutting down on air pollution outside.

How to replace a secondary air injection pump?

Step 1: Locate the air injection pump. The air pump is at the front of the engine with the serpentine belt wrapped around it. Tip: Make sure there is a belt routing diagram under the hood of your car so you know how to reinstall the belt. If not, take a picture of the belt routing with your phone before proceeding further.

Where is the fuse box on a 2006 Ford Focus?

Find the 2006 Ford Focus Fuse Diagrams here. The battery junction box is located in the left rear corner of the engine compartment. The Central Junction Box is located on the lower left side of the dash

Where is the central junction box on a Ford Focus?

The Central Junction Box is located on the lower left side of the dash There’s lots more information on this site for your vehicle. Alldatadiy.com and Eautorepair.net are professional-grade shop manuals—period.