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Hi everyone

So i have just bought a r33 4 door of a close mate and not so long ago he had a bigger fuel pump put in as an " i owe you job " and ever since every now and then you will be able to hear the fuel pump whirring fairly loudly (i can hear it over the engine) although i usually hear it once i start slowing down and the engine is quiter.

Every now and then it will cause the pump to surge but usually you wouldnt hear the fuel pump or have it surge and it would only make the whirring noise and surge when i was running on a low tank of fuel but i have noticed it does it every now and then regardless if how much fuel is in the tank.

Does anyone know what i can do to fix this?

Should i just get a stock fuel pump?

Any help is greatly appreciated

Ps1Locybe

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https://www.sau.com.au/forums/topic/396932-fuel-pump-help-r33/
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