Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that a part of the car that helps clean the air from the engine isn't working right. It's like a valve that should open and close to let air in, but it's not moving at all.
The secondary air injection system helps reduce emissions by injecting air into the exhaust stream to help burn off excess fuel. The valve in this system is supposed to open and close, but if it's stuck off, it can't do its job.
The P1416 code indicates that the secondary air injection valve is not operating as expected. This valve is responsible for allowing air to enter the exhaust system, which helps in reducing emissions. When the valve is stuck in the 'off' position, it fails to introduce the necessary air, leading to increased emissions and potential engine performance issues.
• Check Engine Light is on
• Poor engine performance
• Failed emissions test
• Faulty secondary air injection valve
• Clogged or damaged air injection system
• Electrical issues such as a blown fuse or bad wiring
Secondary Air Injection System: A system that injects air into the exhaust stream to help reduce emissions.
Valve: A device that controls the flow of air or fluid.
• Use an OBD-II scanner to confirm the P1416 code
• Inspect the secondary air injection valve for physical damage
• Check the wiring and connections to the valve
• Replace the faulty secondary air injection valve
• Clean or replace clogged air injection system components
• Repair or replace damaged wiring or connectors
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $400
Moderate
• Chevrolet Silverado
• GMC Sierra
• Pontiac Grand Prix
• Regular maintenance of the air injection system
• Periodic inspection of the valve and related components
• Ensuring clean air filters
Emission Control System Issue
• Address this issue promptly to avoid failing emissions tests.
• Regularly check and maintain the air injection system.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been commonly reported in vehicles with higher mileage and those that have not undergone regular emissions system maintenance.
Moderate – While the vehicle may still be drivable, it's important to address this issue to maintain emissions standards and engine performance.
Driving with a malfunctioning emissions system may violate local emissions laws and contribute to environmental pollution.
• Engine at operating temperature
• Vehicle in closed-loop operation
The secondary air injection valve is typically located near the engine, connected to the exhaust manifold.
Q: What happens if I ignore the P1416 code?
A: Ignoring this code can lead to increased emissions, potential engine performance issues, and failing an emissions test.
Q: Can I drive my car with a P1416 code?
A: While you can drive the car, it's advisable to fix the issue soon to avoid emissions problems and maintain optimal engine performance.
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