- Replace both the air pumps and the one-way check valve.
- Try and clean the air pump and test it. The one-way air check valve must be replaced as well.
- Replace the inlet hose of the air pump.
- Replace the fuse of the air pump (you can find it under the hood)
What causes a secondary air injection system 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.
What is a secondary air injection system malfunction?
Code P0410 is the result of the Engine Control Module (ECM) indicating a malfunctioning Secondary Air Injection System. This happens when the O2 sensor does not accurately detect the changes in the O2 level of the exhaust while the air injection system is functioning .
What are the symptoms of a bad secondary air injection pump?
- Check Engine Light.
- Failed Emissions Test.
- Weak Acceleration.
- Engine Stalling.
- Low Idle.
Can you drive with a bad secondary air injection?
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.
How much does it cost to fix a secondary air injection system?
If your secondary air injection system is failing or damaged, then the secondary air injection system repair cost will run between $270 and $390 . The labor should usually cost under $100, while the parts cost on average run at around $250.
How do you test a secondary air injection system?
- Loosen the connecting hose on the secondary air non-return valve leading to the secondary air pump. ...
- If there are deposits on this side of the valve (finger test, see Fig. ...
- Inspect the secondary air pump and replace it if necessary.
What does a secondary air injection system do?
Secondary-air system components
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.
What is the prime source of problems in secondary air systems?
WATER is a prime source of problems in secondary air systems.
How does a secondary air injection work?
Secondary air injection systems pump outside air into the exhaust stream so unburned fuel can be burned . ... Newer aspirated systems use the vacuum created by an exhaust pulse to pull air into the pipe. The latest systems use an electric motor to pump air. These systems are critical for the life of the catalytic converter.
Can you drive with a bad air pump check valve?
You will not notice anything significant in the way of vehicle performance, and you can continue to drive with a bad air pump check valve.
What problems can a bad air pump cause?
Reduced horsepower
Again, a failed smog pump can upset the tune of the vehicle, which will negatively impact overall engine performance. A failed air pump may cause the engine to hesitate or stumble on acceleration , and in more serious cases, cause a noticeable reduction in total power output.
What does a bad air pump sound like?
A bad air pump can make a howling noise . ... You should hear a faint vacuum-cleaner sound for about 30 seconds as your air pump operates. The lack of this noise can indicate that the pump is not working.
Do you need a secondary air pump?
As the air pump burns as much fuel as it can, these stunts the emission from the being released to the environment. This alone saves our planet and its atmosphere from damage. Also, if your country or state has an emission testing as a requirement, a secondary air pump is mandatory .
How much does it cost to fix an air injection pump?
Air Pump Replacement Cost – RepairPal Estimate. Labor costs are estimated between $77 and $98 while parts are priced between $380 and $457. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
How long does the secondary air pump run?
The secondary air pump has to run for about 90 – 120 seconds after a cold start of the engine.
