A fuel pump unclogging is a simple but intricate process that can eliminate the cause of lack of power and symptoms such as rough idling or stalling. The fuel pump may be clogged with debris or containments in the fuel tank that have entered through the filler neck during refilling, and then secondarily block the fuel filter or pump inlet, restricting its ability to provide adequate flow to supply enough fuel for engine operation.
The most elementary solution to unclog a fuel pump is regularly checking the health of your fuel filter and changing it if required. The fuel filter is actually a part meant to collect dirt and impurities, but it can end up getting built-up from crud with time that blocks the flow of gas. For between $20 to $60, you are supposed to replace the filter every 20,000-40,000 miles.
If the new filter does not fix the problem, check the fuel lines and pump itself. This requires the fuel pump to be extracted from the fuel tank, where it is necessary to depressurize the fuel system, disconnect the battery and in most cases lower the vehicle's gas tank. It usually takes 2 to 4 hours depending on the vehicle.
After the fuel pump is removed, examine its inlet or strainer for any obstructions or blockages. Should debris be found, it can all but certainly be cleaned utilizing a fuel system cleaner or compressed air. If the pump is badly blocked or damaged, though, your only option at this point might be to replace the entire unit — cleaning it isn't likely to return normal functionality in these situations. An oem electronic pump for this rule in a new condition is anywhere from $100-500, all based on the vehicle and standard choices.
Keep in mind that fuel injector cleaners may assist to dissolve little quantities of gunk within the fuel system like very minimal clogs in the pump. Usually these cleaners are dropped in the gas tank and act on contaminants as fuel pumps through the system. Nevertheless, these cleaners work best as maintenance preventatives and not solutions for big blockages.
Regular maintenance is important as in a report from 2020, about 15% fuel pump failures are due to debris or contamination in the fuel system. Maintaining a clean fuel tank and avoiding contaminated fuel can prolong the life of the pump, typically lasting 100,000 to 150,000 miles.
This is in line with Elon Musk's own often vocalised belief that failing to take care of core vehicle components, which he explains by saying "a bit of TLC on key parts can prevent them from turning into big repairs down the road." Engine contamination can reduce or remove the flow of fuel through components and lines, causing the failure of fuel pumps, thermo-chemistry exits, and even life.
To get your replacement fuel pump or cleaning products, browse the selection specifically designed for your make and model provided by Fuel Pump.