What does a secondary air injection check valve do?

What does a secondary air injection check valve do?

Secondary air valves are an integral part of the secondary air system. They are fitted between the secondary air pump (1) and exhaust manifold. They prevent pressure peaks in the exhaust flow from damaging the secondary air system and exhaust gas or condensate from entering the secondary air pump.

When is the p0410 Mercedes-Benz code detected?

Most auto repairs shops charge between $75 and $150 per hour. When is the P0410 MERCEDES-BENZ code detected? The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system. An air pump is used on the vehicle to lower tail pipe emissions on start-up.

What does the code p0410 on a GM air pump mean?

A code P0410 may mean that one or more of the following has happened: Water may have collected in the AIR pump or the vent solenoid and frozen or corroded the pump; Blown AIR pump fuse due to freezing up; Possible Solutions. Note: There is a technical service bulletin (TSB) regarding this code for a number of GM models.

When does the p0410 O2 sensor fail?

Code P0410 is triggered when the air injection pump passive test fails or is inconclusive then the ECM commands the pump to do an active test and the O2 sensor does not output a higher O2 content in the exhaust within 3 seconds. Need help with a P0410 code?

What does the Mercedes Benz air pump code mean?

The P0410 Mercedes code definition:the emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust.

Most auto repairs shops charge between $75 and $150 per hour. When is the P0410 MERCEDES-BENZ code detected? The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system. An air pump is used on the vehicle to lower tail pipe emissions on start-up.

What does code p0410 mean on an ECM?

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 Code P0410?

The P0410 Mercedes code definition:the emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust.

What is the OBD code for a Mercedes Benz?

OBD2 Code P0410 Mercedes definition: The P0410 Mercedes code definition:the emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust. About 90% of the time that this code is set, the one-way check valves have worn out or failed