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The fuel pump supplies pressurised fuel to every fuel injector in the vehicle engine. The fuel pump is driven by a compact electric motor and is located inside the vehicle's fuel tank. The pressure and output of the pump are controlled by a fuel regulator. Fuel is supplied to the car engine through the fuel lines and before the fuel reaches the fuel injector's it is filtered through the fuel filter to prevent any dirt or Debra to enter into the injectors.
A high quality OEM fuel pump can run indefinitely. However, as with any other electromechanical component, the fuel pump will collapse over time and fail. If it does not create enough pressure or stops working completely, it must be replaced.
Following are the symptoms of the failed fuel pump:
The fuel pump will fail slowly, which means that the pressure and volume of the fuel will slowly decrease. Lack of fuel can cause the engine to run without enough fuel in relation to the amount of air, causing the engine warning light to come on.
Driving is still safe in general, but the pump can drive an overheated engine and catalytic converter. A complete failure of the fuel pump can leave you stranded on the road, but in many cases the car won't start before you start driving.
However, if the problem with the fuel pump is related to bad or contaminated fuel or vapour leaks, it is not safe to continue driving and a qualified mechanic should check this immediately.
It depends on the vehicle’s make and model. Please type your car registration number at the top of the page to find the exact fuel pump replacement cost on your car. Makes like Ford, Fiat, Hyundai, Honda, peugeot, vauxhall , Lexus, Alfa Romeo, Mercedes, or BMW, can cost between £ 290 and £ 990 at an authorized dealer.