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(r34)

Hey Guys,

Went to get a tune yesterday But fuel pump Shat itself on the dyno

Running a

Highflow rb25 turbo with apexi SAFC computer running 1+ bar boost.

Full zaust and the ect..

So got the Walbro 550hp fuel pump thrugh it in last night.

But the car is still running like shit Idea's really lumpy,

and seems their is no fuel pumping through.

Maybe

Air Still in the Lines ?

Fuel pump Not right ?

Still needs the tune to fix the problems???

Whats urs say , thankyou

-Ricca

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If your stock fuel reg has passed away, this may cause the problem if it's starving for fuel.

I would guess that the car's fine until you start to put the foot down which is where she starts to fart, yes?

It make sense to me as the reg is not holding back the fuel to pressurise the rail.

Other things I'd be inclined to check is for a dirty fuel filter and/or fuel tank, and whether the pump is seated correctly (not accusing anything here).

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https://www.sau.com.au/forums/topic/263493-fuel-pump-help/#findComment-4510845
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All Sorted Guys, i Did everything right Problem was,

Day before NeW fuel i had a tune and was running rich,

When i through my knew Fuel pump in it was still reading as the old on so Running like shit.

Went and got a tune and its all fixed,

With a Shit Clutch , Shit SParks, and a Zaust with wholes

Ran 10psi 294 HP at the Rears

Not to bad,

Should get over 300 next week .

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