P0306 2016 Chevrolet Silverado Code - Cylinder 6 Misfire Detected
Quick Answer
A misfiring cylinder causes slight variations in the rotational speed of the crankshaft. Common causes include Faulty spark plug 6, Clogged or faulty fuel injector 6, Faulty ignition coil 6. 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
- P0306 2016 Chevrolet Silverado indicates Cylinder 6 Misfire Detected.
- Common causes
- Common causes include Faulty spark plug 6, Clogged or faulty fuel injector 6, Faulty ignition coil 6.
- 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.
Code P0306 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0306 2016 Chevrolet Silverado?
- Faulty spark plug 6
- Clogged or faulty fuel injector 6
- Faulty ignition coil 6
- Fuel injector 6 harness is open or shorted
- Fuel injector 6 circuit poor electrical connection
- Ignition coil 6 harness is open or shorted
- Ignition coil 6 circuit poor electrical connection
- Insufficient cylinder 6 compression
- Incorrect fuel pressure
- Intake air leak
How to Fix the DTC P0306 2016 Chevrolet Silverado?
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.
Code Tech Notes
There is a Factory Service Bulletins for All 2000-2020 Chevrolet Models:
2000-2020 Chevrolet Factory Service Bulletin OBDII Code P0306
This Factory Service Bulletin explains how this condition may be caused by significant carbon build-up on the intake and/or exhaust valves due to fuel contamination or incomplete burning of the fuel.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0306 2016 Chevrolet Silverado 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.
Need more information about the P0306 2016 Chevrolet Silverado code?
Need more information on how to fix the P0306 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0306 2016 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0306 2016 Chevrolet Silverado Code
1. What does the OBD-II code P0306 mean on a 2016 Chevrolet Silverado?
P0306 indicates a misfire has been detected in cylinder 6 of the engine.
2. What are the common symptoms of a P0306 code in a 2016 Chevrolet Silverado?
Symptoms may include a rough idle, reduced engine performance, poor fuel economy, hesitation during acceleration, and the Check Engine Light being illuminated.
3. What causes a P0306 code in a 2016 Chevrolet Silverado?
Common causes include a faulty spark plug, ignition coil failure, a clogged fuel injector, low compression in cylinder 6, or intake manifold gasket leaks.
4. Can I drive my 2016 Chevrolet Silverado with a P0306 code?
Driving with a P0306 code is not recommended, as it can lead to further engine damage and decreased performance.
5. How can I diagnose a P0306 code on my 2016 Chevrolet Silverado?
Start by inspecting the spark plug, ignition coil, and fuel injector for cylinder 6. A compression test or leak-down test may also be necessary to check for internal engine issues.
6. How do I fix the P0306 code on my 2016 Chevrolet Silverado?
Repairs may involve replacing the spark plug, ignition coil, or fuel injector for cylinder 6. In some cases, addressing intake manifold gasket leaks or internal engine issues may be required.
7. Can a dirty fuel injector cause a P0306 code in a 2016 Chevrolet Silverado?
Yes, a clogged or malfunctioning fuel injector can disrupt fuel delivery to cylinder 6 and cause a misfire.
8. How much does it cost to fix a P0306 code on a 2016 Chevrolet Silverado?
Repair costs vary depending on the cause, ranging from $100 to $300 for spark plug or ignition coil replacement, and higher if internal engine repairs are required.
9. Could a vacuum leak trigger a P0306 code on a 2016 Chevrolet Silverado?
Yes, a vacuum leak near cylinder 6 can cause a lean air-fuel mixture, leading to a misfire and triggering the P0306 code.
10. How do I prevent a P0306 code on my 2016 Chevrolet Silverado?
Regular maintenance, such as replacing spark plugs and ignition coils as needed and using quality fuel, can help prevent misfires and the P0306 code.
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