Diesel smell in car. If you are experiencing a strong exhaust smell or are smelling exhaust fumes in the cabin of your car, or maybe you have noticed exhaust smell or fumes coming through the heater vents especially when you pull up to a stop sign or traffic lights?

All of the above points to the possibility of Diesel leaking from the engine.

You see, when you have a Diesel leak on the engine, which could by a leaking fuel injector or a leaking fuel injector pump or leaking fuel filter, the fuel often falls onto the warm engine and evaporates quickly. Your car’s heater fan then pushes these fumes into the car through the heater vents and it is particularly strong when the car isn’t moving, as the fumes build up under the bonnet due to the lack of air movement.

These fuel vapors can smell like exhaust fumes in car or just a general Diesel smell inside car, depending on how sensitive you nose is!

In this video, I will show you how to inspect the 3 most likely areas for there to be a leak, which are:

👉 Leaking fuel filter and / or fuel lines
👉 Leaking fuel injector connections
👉 Leaking high pressure fuel pump.

AND Spoiler alert – The leak on my car was on the fuel filter, so I will show you how I fixed my leaking fuel filter.

The car / engine that features in this “Diesel smell in car” video is a Mercedes Diesel, which has the OM642 engine as fitted to the W203 C class and the C209 CLK Mercedes CDI cars.

BUT the contents of this video should be applicable to other vehicles because I will explain the 3 high probably Diesel leak areas mentioned above in general terms and tell you what to look for on your car.

So, if your cars smells like exhaust, do these checks first and you may well be able to DIY solve your problems quickly with very little cost, just like I did!

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Diesel Exhaust Smell inside Car or Fuel Smell in Car?
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DISCLAIMER Please note that this video and its content is intended for information purposes only. Although every effort is made to ensure that all the information is correct, there is no guarantee that this is the case. This video should not be considered a substitute for seeking independent advice or the services of a professional. Any work that you carry out on your vehicle or vehicles in your care is at your own risk.

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