Based on 17013 reviews

Car CEL Fix O2 Sensor Check Engine Light Eliminator Adapter

£26.99 £49.99 Save 46%
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Eliminate annoying check engine lights caused by O2 sensor readings with this CEL fix adapter featuring a mini catalytic converter. Designed for easy installation, it helps simulate normal exhaust conditions, reducing the chances of false error codes without compromising performance.

Ideal for off-road and race applications, this adapter offers a quick, efficient way to bypass post-cat O2 sensor issues.

✔ Eliminates check engine light from O2 sensor readings
✔ Includes mini catalytic converter for realistic exhaust simulation
✔ Easy to install between O2 sensor and exhaust pipe
✔ Durable construction for long-term use
✔ Ideal for off-road or race-use vehicles

Details:

  • Sensor Type: Piezoelectric
  • Includes: Mini catalytic converter
  • Application: O2 sensor check engine light eliminator
  • High-concerned Chemicals: None

Why choose this O2 sensor CEL fix?
Car enthusiasts rely on it for its simplicity and effectiveness in preventing false engine codes—making diagnostics easier and modifications smoother.

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Exceeded expectations

I was a bit skeptical at first, but Mysa London really impressed me. Fast delivery and top-quality products.

Olivia Bennett
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Fast delivery and quality

Delivery was quick and the quality is great. A solid experience overall.

Emma Reynolds
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Exactly what I needed

Mysa London had exactly what I was looking for — and at a great price. Highly recommended.

Sophia Hayes
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Will shop again

Great products at a fair price. I’ll definitely be shopping here again.

Emily Coleman
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Beautiful packaging

The packaging was a lovely surprise — neat and with great attention to detail. Made the unboxing special!

Andrew Price
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Fantastic support

Customer service was excellent. They answered my question quickly and helped me perfectly with my order.

Ellie Walsh
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Great value

The prices are very competitive for the quality. Haven’t found a better deal anywhere else.

Ruby
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Love it!

Really happy with my purchase. Great quality and style.

Claudia
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Third purchase already

This is my third time ordering. I’m a little obsessed with my new dress 😌.

Isabel Holmes
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Excellent service

The team at Mysa London was very helpful, and my order arrived quickly. Couldn’t be happier.

Hannah Mitchell
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Lovely product

Really nice quality. Shipping was a bit slower than expected, so I’m giving 4 stars instead of 5.

Liam Carter
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Very happy

My purchase exceeded expectations. Beautiful finish and thoughtful packaging.

Grace Thompson
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Good overall

The product is great and matches the photos. One small detail was slightly different, otherwise excellent.

Noah Williams
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High quality

The material feels premium and durable. Will definitely order again.

Amelia Scott
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Perfect gift

Bought this as a gift and it was very well received. Great presentation and speedy delivery.

Ethan Parker
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Nice experience overall

Happy with the product and service. Just a tiny delay in shipping, but still very positive overall.

Isabella Green

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If the product doesn't meet your expectations, you can easily and quickly return it to our store.

Free Shipping today only

Due to our clearance sale, we’re offering free delivery on all orders today.

Since 2010

Proud to have made hundreds of thousands of people happy with our unique products.

Clearance Sale

Mysa London

We want to thank all our customers for 15 amazing years.

Due to personal circumstances, we sadly have to close our store.

That’s why we’re hosting our biggest sale ever to sell off our final stock.

We hope there’s still something that can make you happy!

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