P0308 2016 Chevrolet Silverado Code - Cylinder 8 Misfire Detected
Quick Answer
A misfiring cylinder causes slight variations in the rotational speed of the crankshaft. Common causes include Faulty spark plug 8, Clogged or faulty fuel injector 8, Faulty ignition coil 8. 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
- P0308 2016 Chevrolet Silverado indicates Cylinder 8 Misfire Detected.
- Common causes
- Common causes include Faulty spark plug 8, Clogged or faulty fuel injector 8, Faulty ignition coil 8.
- 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 P0308 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0308 2016 Chevrolet Silverado?
- Faulty spark plug 8
- Clogged or faulty fuel injector 8
- Faulty ignition coil 8
- Fuel injector 8 harness is open or shorted
- Fuel injector 8 circuit poor electrical connection
- Ignition coil 8 harness is open or shorted
- Ignition coil 8 circuit poor electrical connection
- Insufficient cylinder 8 compression
- Incorrect fuel pressure
- Intake air leak
How to Fix the DTC P0308 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 P0308
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 P0308 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 P0308 2016 Chevrolet Silverado code?
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Need Help with the Code?
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Frequently Asked Questions about P0308 2016 Chevrolet Silverado Code
What does the OBDII code P0308 mean for a 2016 Chevrolet Silverado?
P0308 indicates that the engine's computer has detected a misfire in cylinder 8.
What are the common symptoms of a P0308 code in a 2016 Chevrolet Silverado?
Symptoms include rough idling, reduced engine performance, increased fuel consumption, and possibly a flashing check engine light.
What causes a P0308 code in a 2016 Chevrolet Silverado?
Common causes include faulty spark plugs or ignition coils, a clogged fuel injector, low compression in cylinder 8, or issues with the wiring or connectors.
Can a dirty fuel injector trigger a P0308 code?
Yes, a clogged or malfunctioning fuel injector can prevent proper fuel delivery to cylinder 8, leading to a misfire.
How can I diagnose the P0308 code on my 2016 Chevrolet Silverado?
Start by inspecting the spark plug, ignition coil, and fuel injector for cylinder 8. You may also need a compression test or a scan tool to monitor live data.
Is it safe to drive with a P0308 code?
Driving with a P0308 code can damage the engine over time, especially if the misfire is severe. It's best to address the issue promptly.
How much does it cost to repair a P0308 code on a 2016 Chevrolet Silverado?
Repair costs vary depending on the cause but typically range from $150 to $500 for spark plug or coil replacement. Complex issues like engine damage may cost more.
Can a bad ignition coil cause the P0308 code?
Yes, a faulty ignition coil can prevent proper spark delivery to cylinder 8, resulting in a misfire and triggering the code.
What tools are needed to troubleshoot a P0308 code?
You'll need a diagnostic scan tool, multimeter, spark plug socket, and possibly a compression tester to identify the exact issue.
How do I clear the P0308 code once repairs are complete?
After repairs, use an OBDII scan tool to clear the code. If the issue is resolved, the code should not return.
Discuss the causes and fixes for P0308 2016 Chevrolet Silverado OBDII Code
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