AdBlue Errors Causing Avoidable Breakdowns

According to the AA, 23,000-plus breakdowns have been linked to the misuse of AdBlue in diesel cars, with one driver actually filling their diesel fuel tank completely with AdBlue!

What is AdBlue?
AdBlue is a liquid solution of urea that is used in diesel cars that are equipped with a Selective Catalytic Reduction system, the liquid solution is injected automatically into the flow of exhaust gas and causes a chemical reaction that converts harmful nitrogen oxides into harmless water and nitrogen, cleaning up exhaust emissions.

The solution is inserted into the car's separate filter for the AdBlue tank which is often located next to the diesel fuel filler and should not be poured directly into the fuel tank. The car's own filter will take care of injecting small quantities of the solution into the flow of the exhaust gas.

The AA is seeing a rapid growth in breakdowns due to the lack of understanding or accidental misuse of AdBlue. If the engine is allowed to run with AdBlue in the fuel tank, the damage and be very expensive.

If you run out of AdBlue your engine will likely reduce its power and performance and often drivers find that their cars won't start simply because their AdBlue tank has run dry, this can come as a shock to drivers who don't often drive a diesel car and are perhaps are driving a diesel car as their fleet car or hire car and don't have a full understanding of what AdBlue does.

If you are driving a diesel fleet car, it's likely that you will need to top up the AdBlue at least once between services so it's advised that you keep an eye on the dashboard warning lights, especially if you are a high mileage driver.

The dashboard of your vehicle will always give ample warning - usually when there is a 1500 mile supply left of AdBlue - for when the tank needs replenishing, so make sure you don't ignore the signs and keep your AdBlue topped up correctly.

The important thing to remember about AdBlue is that it is an exhaust fluid, not a fuel additive, and is stored in a separate reservoir. If you accidentally put AdBlue into your fuel tank it could cause expensive damage to your engine so should be flushed out and refilled with diesel before the engine is started.

If you have any problems with your TCH Leasing vehicle, you can always contact TCH Assist for help.

 


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