If your COSORI air fryer keeps smoking during operation, it can be concerning and potentially hazardous. Smoke is often caused by accumulated grease, food particles, or improper liners. This guide provides clear, safe steps to troubleshoot and fix the issue, ensuring your air fryer operates efficiently and safely.
Key Takeaways
| Grease buildup | Grease and food residue inside the basket or heating element can cause smoke. |
| Improper liners | Using liners that touch the heating element or are placed in preheat can lead to smoking. |
| Overfilled basket | Overloading the basket can block airflow and cause excess smoke. |
| Cleaning maintenance | Regular cleaning prevents grease buildup that triggers smoke. |

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Step 1: Unplug and Clean the Air Fryer
- Unplug the air fryer and let it cool completely.
- Remove the basket and tray, then wash them with warm, soapy water.
- Use a soft brush or cloth to clean the heating element and interior surfaces to remove grease and food residues.

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Step 2: Check and Replace Liners
- Remove any disposable liners and inspect for residue or damage.
- If using liners, ensure they are placed properly and not touching the heating element.
- Avoid placing liners during preheating to prevent ignition or smoke.
Step 3: Inspect and Remove Excess Food or Grease
Look for grease or food particles stuck around the heating element or inside the basket. Use a soft cloth or brush to gently remove buildup. Consider using a vinegar solution for stubborn grease, but ensure everything is thoroughly dry before use.
Step 4: Reassemble and Test
- Ensure all parts are dry and properly reassembled.
- Place food in the basket without overfilling.
- Preheat the air fryer for 3-5 minutes to see if smoking persists.
Tips and Warnings
- Always unplug the air fryer before cleaning or maintenance.
- Do not use abrasive cleaners that can damage the surface.
- Regular cleaning prevents grease buildup and reduces smoking risk.
- Use liners appropriately—avoid during preheating or touching the heating element.
The Products in This Guide

Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt
- ✔ Dimensions: 14.4 x 11.4 x 12.6 inches
- ✔ Weight: 16.3 pounds
- ✔ Warranty: 1 year

ALJ 3PCS Air Fryer Oven Mesh Rack
- ✔ Number of Racks: 3
- ✔ Weight: 1.2 pounds
- ✔ Warranty: NA
Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt

The Cosori 9-in-1 TurboBlaze Air Fryer offers precise temperature control and innovative TurboBlaze technology for crispy, even results. Its large 6-quart capacity makes it ideal for family meals, and its smart controls enhance convenience.
Pros:
- Powerful TurboBlaze technology for crispy results
- Versatile 9-in-1 functions
- Precise temperature control up to 450°F
- Smart control via app
Cons:
- May require regular cleaning to prevent smoking
- Larger size may not suit small kitchens
Best for: Families or those seeking a multifunctional air fryer with advanced features
Not ideal for: Small kitchens with limited counter space
Bottom line: A powerful, versatile air fryer with smart features, best for busy households.
ALJ 3PCS Air Fryer Oven Mesh Rack

The ALJ 3PCS Air Fryer Oven Mesh Rack enhances airflow and ensures even cooking. Its stainless steel design is durable, dishwasher safe, and compatible with COSORI models for improved functionality.
Pros:
- Improves air circulation
- Durable stainless steel
- Dishwasher safe
- Easy to install
Cons:
- Adds extra cleaning step
- Requires space in the oven
Best for: Expanding cooking options and achieving crispier results
Not ideal for: For those who prefer minimal accessories
Bottom line: A sturdy, functional upgrade for better air fryer performance.
Frequently Asked Questions
Why is my COSORI air fryer smoking even after cleaning?
Residual grease, food particles, or improper liners can cause smoking. Regular cleaning and correct liner placement help prevent this.
Can I use paper liners during preheating?
No, avoid placing liners during preheating as they may ignite or cause smoke. Place liners only after preheating or when adding food.
What should I do if my air fryer continues to smoke?
Unplug it immediately, clean the interior thoroughly, check for damaged parts, and ensure you’re not overloading or using improper liners.
How often should I clean my air fryer to prevent smoking?
Clean after each use, especially removing grease and food residues from the basket and heating element to maintain optimal performance.
Keep Your COSORI Air Fryer Smoke-Free with Proper Care
Regular maintenance and proper usage are key to preventing smoking and ensuring your air fryer delivers delicious, healthy meals every time. Follow these troubleshooting tips to keep your appliance running smoothly and safely.
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