MOT failure · RFR #31876
Emissions levels exceed default limits
Total
41
Models
12
Models most at risk.
Ranked by rate, not raw volume. A Fiesta shows every failure a lot because there are a lot of Fiestas. Rate = share of that model's own MOTs.
Failure match · your reg
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- 01 Ferrari F355 0.34%
- 02 Lamborghini Aventador 0.31%
- 03 BMW X4 M Competition Auto 0.29%
- 04 Porsche 911 Turbo S S A 0.25%
- 05 Audi RS 6 V Sprung Tfsi Mhev Quat A 0.21%
- 06 Volkswagen Tiguan R Tsi 4motion S A 0.12%
- 07 Lamborghini Gallardo 0.12%
- 08 BMW M8 Competition Auto 0.12%
- 09 Audi RS Q3 Sport ED Tfsi Quattro SA 0.11%
- 10 Ferrari 458 0.06%
- 11 Toyota Supra Pro Auto 0.05%
- 12 Mclaren 720s V8 S A 0.04%
Cost orientation
Hard to predict in isolation — depends what's actually worn.
This defect doesn't map to a clean retail-part swap; ranges vary too widely without seeing the car. Use the estimator to bracket the all-in cost across the items most likely to surface alongside it.
Frequently asked.
- Why does emissions levels exceed default limits fail an MOT?
- Emissions levels exceed default limits. Most commonly flagged on the Ferrari F355. UK MOT standards require this item to meet minimum safety thresholds — when it falls short, the tester logs it as a Major or Dangerous defect and the car fails outright.
- How much does it cost to fix emissions levels exceed default limits?
- Costs vary depending on the vehicle, region, and severity. Use our MOT cost estimator for typical UK garage rates across the most common failure items.
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