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P0302 2016 Chevrolet Silverado Code - Cylinder 2 Misfire Detected

Quick Answer

When the OBD-II system detects a misfire in cylinder 2 of a 2016 Chevrolet Silverado, it triggers diagnostic trouble code P0302. Common causes include Faulty spark plug in cylinder 2, Failing ignition coil in cylinder 2, Clogged or malfunctioning fuel injector in cylinder 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 in cylinder 2, Failing ignition coil in cylinder 2, Clogged or malfunctioning fuel injector in cylinder 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0302 2016 Chevrolet Silverado Description

When the OBD-II system detects a misfire in cylinder 2 of a 2016 Chevrolet Silverado, it triggers diagnostic trouble code P0302. A misfire occurs when the fuel-air mixture in the cylinder fails to ignite properly, leading to a loss of power, rough idle, and potential damage to the engine. This can be caused by a variety of factors, such as a faulty spark plug, ignition coil, fuel injector, or even a vacuum leak.

OBDII Code P0302 2016 Chevrolet Silverado - Cylinder 2 Misfire Detected
P0302 2016 Chevrolet Silverado Code - Cylinder 2 Misfire Detected

Common Causes of P0302 2016 Chevrolet Silverado

  1. Faulty spark plug in cylinder 2
  2. Failing ignition coil in cylinder 2
  3. Clogged or malfunctioning fuel injector in cylinder 2
  4. Vacuum leak near cylinder 2
  5. Low compression in cylinder 2

Symptoms of P0302 2016 Chevrolet Silverado

  1. Rough idling or vibrations while the engine is running
  2. Loss of power or acceleration
  3. Engine misfires or hesitation during acceleration
  4. Increased fuel consumption
  5. Illumination of the check engine light

How to Fix P0302 2016 Chevrolet Silverado

  1. Diagnose the specific cause of the misfire by checking the spark plug, ignition coil, fuel injector, and compression in cylinder 2.
  2. Replace the faulty spark plug in cylinder 2 if necessary.
  3. Test and replace the ignition coil in cylinder 2 if it is failing.
  4. Clean or replace the fuel injector in cylinder 2 if it is clogged or malfunctioning.
  5. Check for vacuum leaks near cylinder 2 and repair or replace any damaged components.

Cost to Fix P0302 2016 Chevrolet Silverado

The cost of repairing a cylinder 2 misfire in a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair costs can range from $100 to $500, including parts and labor. However, it is important to note that diagnostic time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It is recommended to check local rates for a more accurate estimate.

What does this mean?

Tech Notes for P0302 2016 Chevrolet Silverado

The P0302 code means that cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 2. If the problem persists more tests need to be done to diagnose the problem, see "Possible Causes".

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.

Need more information about the P0302 2016 Chevrolet Silverado code?

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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.

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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