What happens when the secondary air pump goes bad?

A faulty secondary air injection pump will cause problems for the air-to-fuel ratio in your internal combustion engine. If this ratio is too lean (not enough fuel), then your engine will have trouble generating speed whenever you step on the gas pedal.

What are some possible faults that could occur in the secondary system?

Ingress of moisture can cause damage which results in seizure of the pump. 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.

What are signs of bad smog pump?

Bad Secondary Air Injection Pump Symptoms

  • Check Engine Light. Your vehicle’s manufacturer fills it to the brim with sensors, and these sensors monitor just about everything that your car does.
  • Failed Emissions Test.
  • Slow Acceleration.
  • Stalling Engine or Reduced Power Output.
  • Low Idle.

What controls the secondary air injection system?

The active secondary air system usually consists of an electric pump (see figure), the control relay, a pneumatic control valve, and a combination valve. The system is controlled by the engine control unit. While the system is working, the electric pump is switched on by the engine control unit via the control relay.

Will a car run without secondary air pump?

The air injection smog pump pushes air into the exhaust system right after the exhaust manifold, to help intercept and burn those unburned fuels. Which begs the question: Does a car need a secondary air injection system to run? Strictly speaking, no, it doesn’t.

Can I drive my car with a P0410 code?

This trouble code will not prevent your vehicle from running. The most common result is increased emission from your vehicle. However, if left unsolved, this code could cause your vehicle to fail emission(s) testing.

Can a bad secondary air injection pump cause emissions testing problems?

If you happen to live in a state which requires emissions testing, you will fail the test if your secondary air injection pump is bad. A faulty secondary air injection pump will cause problems for the air-to-fuel ratio in your internal combustion engine.

How does the secondary air injection system work?

The secondary air injection system pumps fresh air into the exhaust system to help reduce exhaust emissions.

Does the perfect car need an emission control device?

This perfect car would not need an emission-control device. Unfortunately, we are not there yet. In the meantime, we have exhaust gas recirculation systems (EGR), secondary air injection, and catalytic converters.

Will injection monitor set if secondary air injection is not working?

It’s not a guarantee that the injection monitor will set, but it’s at least an indication that the secondary air injection system is at least functioning at the most minimal level and not triggering any air injection trouble codes.