AutoCodes – MINI – P1414 MINI

P1414 MINI Code - Secondary Air Injection System Monitor Circuit High

Quick Answer

The Air Injection (AIR) System refers to an emissions control system used by some vehicle manufacturers. Common causes include Faulty Vacuum hoses damaged, Faulty One-Way Check Valve, Faulty Secondary Air Pump inoperative. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1414 MINI indicates Secondary Air Injection System Monitor Circuit High.
Common causes: Common causes include Faulty Vacuum hoses damaged, Faulty One-Way Check Valve, Faulty Secondary Air Pump inoperative.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,034

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1414 MINI Description

The Air Injection (AIR) System refers to an emissions control system used by some vehicle manufacturers. It is often called secondary air injection, because air, more specifically oxygen, is injected into the exhaust manifold after start up. Vehicles start on a comparatively rich mixture to allow for smoother running conditions. However this has a large impact on exhaust gas emissions. A notable increase in hydrocarbon (HC) and carbon monoxide (CO) emissions is found under these rich start conditions. By injecting air in to the exhaust manifold the CO and HC can be oxidised. This reaction increases the temperature within the exhaust and the exhaust gas after treatment system i.e. catalytic converter can begin working earlier due to meeting its light off temperature.
The system consists of an air pump, one way check valve and associated pipework. The system operates for a predetermined time after start up. Normally this duration is approximately three minutes, when cold.

OBDII Code P1414 MINI - Secondary Air Injection System Monitor Circuit High - AutoCodes.com — P1414 MINI Code - Secondary Air Injection System Monitor Circuit High

What does this mean?

What are the Possible Causes of the DTC P1414 MINI?

Faulty Vacuum hoses damaged
Faulty One-Way Check Valve
Faulty Secondary Air Pump inoperative
Secondary Air Pump harness is open or shorted
Secondary Air Pump circuit poor electrical connection

How to Fix the DTC P1414 MINI?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1414 MINI code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1414 MINI Code

1. What does the OBDII code P1414 mean on a MINI?

P1414 indicates that the Secondary Air Injection System Monitor Circuit is reading a high voltage or is out of its expected range.

2. What are the common symptoms of the P1414 code on a MINI?

Symptoms may include the check engine light turning on, rough engine idle during cold starts, poor fuel efficiency, and possibly a failed emissions test.

3. What causes the P1414 code in a MINI?

Common causes include a faulty secondary air injection pump, a damaged relay, broken or corroded wiring in the circuit, or a malfunctioning secondary air injection control valve.

4. Can a clogged secondary air injection hose cause the P1414 code?

Yes, a clogged or restricted hose can prevent proper airflow and lead to the P1414 code being triggered.

5. How is the P1414 code diagnosed on a MINI?

Diagnosis typically involves scanning the vehicle's ECU, inspecting the secondary air injection pump, checking the relay and wiring for damage, and testing the control valve.

6. Can I drive my MINI with the P1414 code present?

While the car may still be drivable, prolonged operation with this code can lead to increased emissions and potential damage to the secondary air injection system components.

7. How do you fix the P1414 code on a MINI?

Repairs may include replacing the secondary air pump, fixing or replacing damaged wiring or connectors, replacing a faulty relay, or cleaning/replacing a clogged air injection valve.

8. What tools are needed to troubleshoot the P1414 code?

Youâ€™ll need an OBDII scanner, a multimeter for electrical testing, and possibly tools for accessing and inspecting the air injection system components.

9. Does the P1414 code affect emissions testing?

Yes, this code can cause your MINI to fail an emissions test due to improper operation of the secondary air injection system.

10. How much does it cost to repair the P1414 code on a MINI?

Repair costs can vary, but replacing a secondary air injection pump can range from $300 to $700, while fixing wiring or a relay may cost less. Diagnostic fees may also apply.