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Need Help With 044 Install

33SOM

By 33SOM,
in Engines & Forced Induction

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33SOM Experienced

33SOM

Posted
Posted

The other day I mounted a bosch 044 intank in my r33. At first I left the one way valve thingie on, finished the install and the car didnt start. So I pulled the pump out again and removed the valve as I had been told by another r33 owner he did it the same way with no problems.

Well the car ran perfectly for about 5 mins then it stalled. And now it wont run any longer then 10 seconds.

It sounds like the car is running out of fuel but it isnt. I took the hose of at the fuel filter to check it wasnt a clogged filter or something but there seems to be a nice flow happening.

Any thoughts?

Any one else think its not pump related?

Thanks

David

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T04GTR Grand Master

T04GTR

Posted
Posted

YEP, you need to bypass the fuel pump controler. (drivers side on the parcel shelf)

basicly run a seperate earth to the pump directly, also run a power wire directly to the pump.)

the relay is on the side of the boot fuse box.

if you can, remove the fuel damper of the fuel line in the tank (the metal thing inbetween the pump and the sender)if it has it....

its purpose is to "dampen" the fuel lines, to stop the hammering noises you get through the lines from the injectors pulsing,

this device can cause the pump(bosch roller cell) to cavitate when the fuel is hot.

the 1 way valve should be removed off the pump to

(unless you use banjo fittings on the pump with a cap bolt on the pump ie:blocks of the thread on the pump fitting with the banjo fitted..)

33SOM Experienced

33SOM

Posted
  • Author
Posted (edited)

Ok thanks for the help. I already earthed the ground of the pump. what should i do with the earth lead that goes back to the power fc? Ground it or leave it bouncing up and down with the road??

R31Nismoid ive read that diy aswell as many others and no ones had this problem.

Thanks again ;):D:D

edit. I also drilled straight through the one way valve so I can get a hose to fit on it :D

Edited by 33SOM
33SOM Experienced

33SOM

Posted
  • Author
Posted

I just hooked up a 40 amp relay directly to the pump. It sounds healthier now but the car still wont start.

I also took TO4GTRs advice and bypassed the fuel damper thingie and still no go.

Anyone got anymore ideas?

Im about to throw the standard pump back in to make sure it is the pumps fault the car wont start...

  • 1 year later...
  • 7 months later...

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