Engine-CodesGMC – P1416 GMC

P1416 GMC Code - Secondary Air Injection System Bank 2

Quick Answer

The P1416 GMC code refers to an issue with the Secondary Air Injection System on Bank 2 of the vehicle. Common causes include Clogged air injection pump, Faulty air injection valve, Vacuum leak in the system. 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
P1416 GMC indicates Secondary Air Injection System Bank 2.
Common causes
Common causes include Clogged air injection pump, Faulty air injection valve, Vacuum leak in the system.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1416 GMC Description

The P1416 GMC code refers to an issue with the Secondary Air Injection System on Bank 2 of the vehicle. The Secondary Air Injection System is an emissions control system that helps reduce harmful emissions by injecting fresh air into the exhaust system to help burn off any remaining fuel before it is released into the atmosphere. Bank 2 typically refers to the side of the engine where the number 2 cylinder is located.

OBDII Code P1416 GMC - Secondary Air Injection System Bank 2
P1416 GMC Code - Secondary Air Injection System Bank 2

Common Causes of P1416 GMC

  1. Clogged air injection pump
  2. Faulty air injection valve
  3. Vacuum leak in the system
  4. Electrical issue with the system
  5. Carbon buildup in the system

Symptoms of P1416 GMC

  1. Check Engine Light is illuminated
  2. Decreased fuel efficiency
  3. Rough idling or stalling
  4. Increased emissions output
  5. Engine misfires

How to Fix P1416 GMC

  1. Diagnose the issue by using a scan tool to identify the specific problem within the Secondary Air Injection System on Bank 2.
  2. Inspect the air injection pump, valve, and hoses for any signs of damage or blockages.
  3. Clear any blockages or replace any faulty components identified during the inspection.
  4. Test the system to ensure proper functioning and clear the diagnostic trouble codes.
  5. Reassemble the system and reset the vehicle's computer to complete the repair process.

Cost to Fix P1416 GMC

The cost to repair a P1416 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the cost to repair this issue can range from $200 to $500, including parts and labor. Keep in mind that additional costs may be incurred if multiple components need to be replaced or if there are underlying issues with the system. It is recommended to consult with a professional mechanic to get an accurate estimate for your specific vehicle.

Tech Notes for P1416 GMC





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When is the Code Detected?

The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM).

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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.

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