Do you notice that your moped car is jerking, stalling, or making an odd noise when starting? Is the car losing power? These symptoms could indicate that the fuel pump is failing. In this guide, we’ll show you how to replace the fuel pump before it causes a complete breakdown.
What does a fuel pump do in a moped car?
The fuel pump is a crucial part of your moped car, responsible for transporting fuel from the tank to the engine’s injection system via fuel lines. Without a functioning fuel pump, the engine won't get the fuel it needs to operate properly.
When should you consider replacing the fuel pump?
A faulty fuel pump means that the engine in your moped car isn’t receiving the necessary fuel to run smoothly. Here are a few signs that it might be time to replace the fuel pump:
- Your moped car loses power, especially when you try to accelerate.
- You hear an unusual sound coming from the fuel tank when starting the car.
- The car frequently stalls and drives erratically.
If you notice any of these signs, you should replace the fuel pump as soon as possible to avoid a complete engine failure.
How to replace the fuel pump in your moped car
To replace the fuel pump on your moped car, you'll need:
- A car lift or jack to raise the vehicle.
- A jack to support the exhaust pipe.
- A wrench to remove the protective plate.
- Two pliers to clamp the fuel supply lines.
- A wire cutter.
- A new fuel pump compatible with your car model.
Time required: Approximately 45 minutes when done by a professional.
Step-by-step guide to replacing the fuel pump:
1. Raise your moped car using the car lift or jack.
2. Start by removing the sound-dampening blocks from the exhaust pipe and set the exhaust pipe aside for easier access to the protective plate and fuel pump.
3. Remove the rubber mount from the back of the exhaust pipe, then proceed with the middle mount. Use lubricating oil to make the task easier.
4. Lift the exhaust pipe and disconnect it, but don’t remove it completely. Use a jack to support the exhaust pipe during this process.
5. Use a wrench to loosen the protective plate under the exhaust pipe and remove it.
6. Use pliers to clamp the fuel lines on both sides of the pump to prevent fuel leakage.
7. Disconnect the fuel pump.
8. Cut the plastic tie securing the power cable.
9. Remove the two hose clamps with pliers.
10. Unscrew the fuel pump from the mounting bracket using a wrench.
11. Pull the two hoses off the fuel pump.
12. Install the new fuel pump. Be sure to follow the correct mounting direction: the "in" side should face the tank, and the "out" side should face the engine.
13. Attach the hoses to the new fuel pump and ensure the mounting direction is correct.
14. Reinstall the pump onto its bracket and tighten the two nuts securely.
15. Tighten the new hose clamps that come with the pump.
16. Remove the clamps that interrupted the fuel supply.
17. Reconnect the fuel pump.
18. Reattach the protective plate and fasten it securely.
19. Reinstall the exhaust pipe by securing the rubber mounts.
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