What does code P0410 mean on a Acura and is it safe to drive?
P0410: Secondary Air Injection System Malfunction. Here's what it means on your Acura, what usually causes it, what repairs typically cost, and how safe it is to keep driving.
What this code means
The secondary air injection system, which pumps fresh air into the exhaust on cold starts, is not working correctly.
Common causes for your Acura
- Failed air pump
- Stuck or leaking one-way check valve
- Clogged or rusted air injection pipes
Symptoms
- Check Engine Light
- May fail emissions or show high cold-start emissions
Typical fixes
- Replace secondary air pump
- Replace check valve
- Clean or replace corroded piping
Repair cost range
For a Acura, repairs for P0410 often fall between $250 and $900, depending on the cause and whether you use OEM or aftermarket parts. Labor rates vary by location.
Known issues on Acura
Acura J35 V6 P0410 secondary air injection pump and check valve failures mirror Honda J35 diagnosis. The combi valve and check valve should be tested before condemning the pump. On MDX, the pump is mounted behind the engine and requires removing the intake manifold on some configurations.
Most commonly affected models