P0302 2016 Chevrolet Silverado Code - Cylinder 2 Misfire Detected
Quick Answer
A misfiring cylinder causes slight variations in the rotational speed of the crankshaft. Common causes include Faulty Spark Plug #2, Clogged or faulty Fuel Injector #2, Faulty Ignition Coil #2. 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
- P0302 2016 Chevrolet Silverado indicates Cylinder 2 Misfire Detected.
- Common causes
- Common causes include Faulty Spark Plug #2, Clogged or faulty Fuel Injector #2, Faulty Ignition Coil #2.
- 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 P0302 2016 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0302 2016 Chevrolet Silverado?
- Faulty Spark Plug #2
- Clogged or faulty Fuel Injector #2
- Faulty Ignition Coil #2
- Fuel Injector #2 harness is open or shorted
- Fuel Injector #2 circuit poor electrical connection
- Ignition Coil #2 harness is open or shorted
- Ignition Coil #2 circuit poor electrical connection
- Insufficient cylinder 2 compression
- Incorrect fuel pressure
- Intake air leak
How to Fix the DTC P0302 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 P0302
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 P0302 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 P0302 2016 Chevrolet Silverado code?
Need more information on how to fix the P0302 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about P0302 2016 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0302 (Cylinder 2 Misfire Detected) on a 2016 Chevrolet Silverado?
Symptoms may include engine misfiring, rough idling, loss of power, increased fuel consumption, and potential engine vibrations.
2. What are the possible causes of a cylinder 2 misfire in a 2016 Chevrolet Silverado?
Common causes include faulty spark plugs, ignition coils, fuel injectors, vacuum leaks, low compression in the cylinder, or issues with the engine control module.
3. How can I diagnose the cylinder 2 misfire in my 2016 Chevrolet Silverado?
You can diagnose the issue by performing a visual inspection of spark plugs and coils, conducting a compression test, checking fuel injectors, scanning for trouble codes with an OBDII scanner, and inspecting for vacuum leaks.
4. How can I repair OBDII code P0302 on my 2016 Chevrolet Silverado?
Depending on the exact cause, repairs may involve replacing spark plugs, ignition coils, fuel injectors, fixing vacuum leaks, addressing compression issues, or reprogramming the engine control module.
5. Can I still drive my 2016 Chevrolet Silverado with a cylinder 2 misfire?
It is generally not recommended to drive with a misfiring cylinder as it can lead to further damage to the engine components. It's best to address the issue promptly.
6. Is it safe to reset the OBDII code P0302 on my 2016 Chevrolet Silverado without fixing the underlying issue?
Resetting the code without addressing the root cause of the misfire can temporarily clear the warning light, but the issue will likely reoccur, potentially causing more severe problems over time.
7. How much does it cost to repair a cylinder 2 misfire in a 2016 Chevrolet Silverado?
The cost of repairs can vary depending on the exact cause of the misfire and the labor rates in your area. It's best to consult with a mechanic for an accurate estimate.
8. Can a dirty fuel filter cause OBDII code P0302 in a 2016 Chevrolet Silverado?
While a dirty fuel filter can affect engine performance, it is not a common direct cause of a specific cylinder misfire. It's important to diagnose the issue thoroughly.
9. Will driving at high speeds help clear a cylinder 2 misfire in my 2016 Chevrolet Silverado?
Driving at high speeds will not typically clear a cylinder misfire. It's essential to address the underlying cause through proper diagnosis and repairs.
10. How often should I check my spark plugs in a 2016 Chevrolet Silverado to prevent cylinder misfires?
It's recommended to inspect and replace spark plugs as per the manufacturer's guidelines, typically every 30,000 to 100,000 miles, depending on the type of plugs installed in your vehicle.
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