Hi Shaun, that sounds like a defective relay. have a look in the rely pack and identify which controls the pump. check the fuse and if its okay replace the relay. If your problem remains, and the vehicle uses a mass air flow sensor with a gate the problem may be with the micro switch which is opened when the flap moves. Otherwise the problem will be in the wiring. I hope you are aware that the system has a demand circuit and will only give power when the engine is being cranked ad then starts. This is designed to stop flooding if the key is left on and the engine is not started. Otherwise you have a problem with wiring. Regards John
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