What does code P0410 mean on a Pontiac and is it safe to drive?
P0410: Secondary Air Injection System Malfunction. Here's what it means on your Pontiac, 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 Pontiac
- 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 Pontiac, 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 Pontiac
Pontiac 3.8L V6 P0410 secondary air injection system failures involve the air pump relay and pump. These GM 3.8L secondary air pumps are exposed to underhood moisture on Grand Prix. Test the relay and fuse first—relay failure is more common than pump failure on these vehicles.
Most commonly affected models