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Why can't an EFI motorcycle accelerate when the throttle is applied?

1 Answers

LeAutumn

08/30/25 5:29am

Reasons why an EFI motorcycle cannot accelerate when the throttle is applied: Fuel system malfunction: The characteristic of a fuel supply system malfunction is low fuel pressure, resulting in insufficient fuel delivery from the injector. The usual causes are either no electrical signal to the fuel pump or the fuel pump and pressure regulator failing to provide and maintain proper fuel pressure. Fuel line blockage: Since the fuel injector operates continuously in high-temperature and high-pressure conditions, it demands high-quality fuel. If the user opts for cheap, low-quality fuel, it can produce deposits during combustion. Fuel pressure regulator blockage: Generally, the cause is debris stuck between the ball valve and valve seat in the regulator, leading to low fuel pressure. A thorough inspection of the fuel pressure regulator's performance and fuel lines is necessary.

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