Common Petrol Cap Problems
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- Admin
- Tags:
- petrol cap, gas cap, car, fuel, diesel
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Fuel smell near the filler is one of the clearest signs of a petrol cap problem. When the cap is not sealing properly, petrol vapour can escape and collect around the filler area. You might notice the smell after refuelling, when the car is warm, or when it is parked in a garage. A loose, cross threaded or damaged cap, or dirt stuck on the seal, can all cause fumes to leak. If the smell is strong, do not ignore it, as it could point to a safety...
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Signs Your Petrol Cap Needs Replacing
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- Admin
- Tags:
- petrol cap, replacement cap, petrol, diesel, car
- Posted date:

Modern cars have sensors that monitor the fuel system at all times. If your petrol cap is not sealing correctly, the dashboard may show a fuel cap symbol or the check engine light may come on. This happens because air and fuel vapour are escaping from the tank into the atmosphere. The car’s computer reads this as a leak in the system and logs a fault code. If the light appears soon after refuelling, stop somewhere safe and check that the cap is...
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