The fuel system in your Volkswagen keeps gas flowing to its engine. It's made up of a fuel tank, fuel pump, fuel filters, and either a carburetor or fuel injectors. The tank holds the gas, the pump draws it out and sends it to the motor, the filters help remove impurities and pollutants in the gas, and the carburetor or injectors work with the pump, oxygen sensors, and an emissions control system to regulate how much gas gets sent.
Fuel systems come in various configurations, too, like in-tank pump (with and without sucking jet pumps), semi-in-tank, and pump set. Whichever your VW has, the parts in it can wear out or fail eventually, often simply from use and age. So, it's a good idea to inspect your fuel system regularly for problems. Luckily, there are signs you can look for. They include:
- Difficulty starting
- A spluttery engine
- Sudden power loss when towing or driving uphill
- Whines coming from the fuel tank
- Worsening fuel economy
- High readings on the temperature gauge
- Random surging
If you're seeing symptoms like these, do that fuel system inspection and replace any of the parts indicated by its results.
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