![]() How to Restart a Car After Running Out of Fuel If you drive a hybrid, you still need to think about your fuel, because running out of both fuel and electricity really would leave you stuck.Īnd you can keep your hybrid’s fuel system cleaner using Redex Petrol System Cleaner or Diesel System Cleaner. This can be an expensive and time-consuming process that should be left up to the professionals, as they’ll need to remove the filters, clean and blow out all the fuel lines, and potentially replace the injectors and pump. Unlike with a petrol engine, which will turn over with a couple of pumps of the accelerator after refuelling, getting a diesel going again may need a professional with the right tools.įor a diesel engine to start again after running empty, it’s often the case that air needs to be bled from the fuel system. When the fuel system becomes completely clogged with air, it damages the injectors and filters, and can make it incredibly difficult to get the engine turning over again. That’s because the powerful fuel injectors in diesel engines start pulling in lots of air once there’s no more fuel in the tank, and this can have a catastrophic effect on different components within the system. If you own a diesel car, you’ve probably heard the dangers (and potential expense) caused by running out of fuel. The sediment can be difficult to remove once it’s lodged in the fuel filter, which is why we’d always recommend adding a shot of Redex to help keep the system clean.ĭrive a Diesel? You Need to Be More Careful of Running Out of Fuel If debris from the fuel tank is drawn into the fuel lines and directed towards the engine, it can lead to blockages in the filters which prevents the engine from performing at its best or even not starting at all. Older cars are particularly susceptible to pulling through debris, which is why you should get in the habit of never allowing the fuel level to sink too low. When a car’s low on fuel, it’ll draw anything in to keep itself going, including the debris and particles that build up at the bottom of the fuel tank. Where the problems start, however, is if you drive an older car or if you regularly run out of fuel. In fact, modern engines are built to withstand a lot more than simply running dry. What Damage Could Running Out of Fuel Cause?Įngine damage isn’t always guaranteed when you run out of fuel. It puts the engine under a lot of unnecessary stress and could mean you struggle to get going again even after topping your car up, thanks to a build-up of air in the fuel tank and combustion chamber. This air could stop the engine from starting again, as it throws the fuel-air mix needed for combustion way off kilter.įor this reason, it’s never good to let your car run totally dry, even if you know there’s a fuel station close by or have a can of spare fuel in the boot. When the tank’s left to run completely empty, the engine will start to draw in air along with the last dregs of fuel. What Happens to a Car When You Run Out of Fuel? In this guide, we’ll delve into what happens under the bonnet when you run out of fuel. Running out of fuel might be annoying and even embarrassing, but it can also be bad for your car.Īnd despite our best plans, it does happen, so it’s worth knowing what to do and what not to do if you find yourself stuck with an empty tank.
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