2005 Mitsubishi P0410: What It Means & Is It Safe to Drive?
P0410 on the 2005 Mitsubishi: Secondary Air Injection System Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.
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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 on the 2005 Mitsubishi
- 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 2005 Mitsubishi, repairs for P0410 typically fall between $250 and $900, depending on the root cause and labor rates in your area.
Known issues on Mitsubishi
Mitsubishi V6 P0410 secondary air injection failure involves the air pump and check valves. Test the pump relay and fuse before removing the pump. On the 3.8L 6G75, the check valves are a more common failure than the pump itself—test them for proper opening under airflow.
Most commonly affected models
Endeavor 3.8L 6G75 2004–2011Outlander V6 3.0L 2004–2006