Engine-Codes - Mercury - P1411 Mercury

P1411 Mercury Code - Secondary Air Injection Downstream Flow

- Code Popularity: 1,227 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P1411 Mercury?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Secondary Air Injection Downstream (AIR) pump
  • Hose off or blocked
  • Bypass solenoid stuck open/closed
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How to Fix the DTC P1411 Mercury?

Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P1411 Mercury code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

When is the Code Detected?

The Engine Control Module (ECM) commanded AIR flow ON-No flow detected downstream.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

What Does the P1411 Mercury Code Mean?

Secondary Air Injection Downstream (AIR) Flow. The secondary air injection system does not detect the presence of air in the exhaust when introduced by the secondary air injection system Electric AIR Pump Hose from AIR pump leak AIR bypass solenoid leak/blocked Hose from AIR pump blocked AIR bypass solenoid stuck open/closed In order to test the AIR pump, it must be capable of driving the HO2S lean.

P1411 Mercury Code - Secondary Air Injection Downstream Flow

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