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All codes › P0410

P0410: Secondary Air Injection System

What it means

The secondary air injection system, which pumps fresh air into the exhaust at cold start, has a fault.

Severity: Low Cold-start emissions only.

Common causes

  1. Failed air pump
  2. Stuck check valve (moisture)
  3. Blown fuse or relay
  4. Cracked hoses

Most common causes first. Exact causes vary by make, model and engine.

Can I fix it myself?

Sometimes DIY. Check the air pump fuse and relay before replacing parts.

Repair cost

SEEDED ESTIMATE Roughly $310–$1250

Most likely repair: secondary air pump. Diagnosis fees, taxes and other causes are not included.

LineLowHighBasis
Secondary air pump$208$853Typical listed retail range, source
Labor 1–2.5 hr$100$400$100–$160/hr, shop survey

⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0410 are verified.

Verified reader invoices for P0410: 0. Share your repair bill to help build real costs.

Tools that can read P0410

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Related codes

P0400 · P0401 · P0402 · P0403 · P0404 · P0411

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