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.

Is a secondary air injection pump necessary?

The system is critical to help cars achieve government emissions standards. So, the law says you need a secondary air injection system. Which begs the question: Does a car need a secondary air injection system to run? Strictly speaking, no, it doesn’t.

How do you fix a secondary air injection pump?

1. Step 1: Locate the air injection pump.
2. Step 2: Remove the serpentine belt.
3. Step 3: Remove the hose.
4. Step 4: Remove vacuum lines and electrical connections.
5. Step 5: Remove the air pump mounting bolts.
6. Step 6: Remove the air pump.
7. Step 1: Install the new smog pump.
8. Step 2: Tighten the mounting bolts.

What causes secondary air injection malfunction?

A faulty pump is generally the most frequent cause of the system failing. Faulty ground and voltage supply can also cause the pump to fail. Blocked or leaking lines can also cause the failure or malfunction of the control or combination valve, resulting in the failure of the secondary air system.

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 you drive with a bad secondary air pump?

Can I drive without secondary air injection?

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.

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 are the symptoms of a bad air injection pump?

One of the early symptoms of a bad secondary air injection pump is the Check Engine warning light turning on. The engine control unit can automatically detect when the secondary air injection pump has a problem.

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 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?